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LIST OF PUBLICATIONS |
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Most of the publications posted below are copyrighted material.
Single copies of individual publications may be made for private use
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Copyright by EDP, AIP, ACS, Elsevier, and other publishers, 1985-2024.
Scientific Impact as of: April 8th, 2024
--2024--
222. R. Amin, J. Pandey, K. Beyer and V. Petkov “Two-step charge density wave transition and hidden transient phase in 1T-TiSe2" Phys Rev.B 109, 144106 (2024). 
221. Z. Kong, Zhi-Peng Wu, Y. Maswadeh, G. Yu, Jorge A. Vargas, D. Caracciolo, V. Petkov, S. Zang, Li Tao, S. Wang, and C.-J. Zhong “Self-Sustainable Lattice Strains of Morphology-Tuned Nanowires in Electrocatalysis” ACS Catalysis 14, 4709 (2024).
--2023--
220. V. Petkov , R. Baumbach, M. Jakhar, V. Barone, A. Zafar, L. Gallington, S. Shastri, and B. Aoun "Local lattice distortions and electronic orders in strongly correlated systems by resonant total x-ray scattering: A case study of APt2X2 intermetallics (A = U, Ce, or La and X = Si or Ge)"" Phys. Rev. B 108, 224110 (2023).
219. V. Petkov , R. Amin, M. Jakhar, V. Barone, AM Milinda Abeykoon, M. Sretenovic and X. Ke "Charge density wave order, local lattice distortions, and topological electronic states in NbTe4" Phys. Rev. B 108, 174112 (2023).
218. S. Chanakian, W. Peng, V. Meschke, A. K. M. A. Shawon, J. Adamczyk, V. Petkov, E. Toberer, and A. Zevalknink "Investigating the role of vacancies on the thermoelectric properties of EuCuSb-Eu2ZnSb2 alloys" Angewand. Chem. Int. Ed., e202301176 (2023).
217. V. Petkov, R. Baumbach, AM Milinda Abeykoon and J. A. Mydosh "3D charge density wave in the dual fermion system UPt2Si2" Phys. Rev. B 107, 245101 (2023).
216. V. Petkov, A. Zafar, P. Kenesei and S. Shastri "Chemical compression and ferroic orders in La substituted BiFeO3" Phys. Rev. Mat. 7, 054404 (2023).
215. Valeri Petkov, Adeel Zafar, Durga R Tadisetti1, and M. AM Abeykoon "Lattice instability and magnetic phase transitions in strongly correlated MnAs" J. Phys.: Condens Matter 35, 315401 (2023).
214. Jorge R. Galeano-Cabral, Eliana Karr, Benny Schundelmier, Olatunde Oladehin, Eun S. Choi,Theo Siegrist, Juan Ordonez, Sarvjit Shastri, Valeri Petkov, Ryan E. Baumbach,and Kaya Wei "Enhanced thermoelectric properties of heavy-fermion compounds YbxCeySmzIr2Zn20 (x + y + z = 1)" Phys. Rev. Mat. 7, 025406 (2023).
213. Ezgi Yildirim, Raj Kumar Ramamoorthy, Rohan Parmar, Pierre Roblin, Jorge A. Vargas, Valeri Petkov, Ana Diaz, Stefano Checchia, Isaac Rodriguez Ruiz, Sébastien Teychené, Lise-Marie Lacroix, and Guillaume Viau "Simple Synthesis of Monodisperse Ultrasmall Au Icosahedral Nanoparticles" J. Phys. Chem. C 127, 3047 (2023).
--2022--
212. V. Petkov, T. Durga Rao, A. Zafar, A. M. Milinda Abeykoon, E. Fletcher, J. Peng, Z. Q. Mao and X. Ke ”Lattice distortions and the metal–insulator transition in pure and Ti-substituted Ca3Ru2O7” J. Phys.: Condens. Matter 51, 015402 (2023).
211. V. Petkov, T. D. Rao, AM Milinda Abeykoon, Jorge R. Galeano-Cabral, and K. Wei “Spin-lattice coupling in magnetocaloric Gd5(Ge,Si)4 alloys by in-situ x-ray pair distribution analysis in magnetic field" Phys. Rev. Materials 6, 104407 (2022).
210. V. Petkov, J. E. Peralta, B. Aoun and Y. Ren “Atomic structure and Mott nature of the insulating charge density wave phase of 1T-TaS2” J. Phys.: Condens. Matter 34, 345401 (2022).
209. L. Ma, J. Vatamanu, N. T. Hahn, T. P. Pollard , O. Borodina, V. Petkov, M. A. Schroeder, Y. Ren, M. S. Ding, C. Luo, J. L. Allen , C. Wang, and K. Xua “Highly reversible Zn metal anode enabled by sustainable hydroxyl chemistry” PNAS 119, e2121138119 (2022).
208. H. Kareem, Y. Maswadeh, Zhi-Peng Wu, A. C. Leff, Han-Wen Cheng, S. Shan, S. Wang, R. Robinson, D. Caracciolo, A. Langrock, D. M. Mackie, D. T. Tran, V. Petkov, and C.-J. Zhong “Lattice Strain and Surface Activity of Ternary Nanoalloys under the Propane Oxidation Condition” ACS Appl. Mat. & Interfaces 14, 11435 (2022).
207. V. Petkov and Y. Ren “Critical cation–anion radius ratio and two-dimensional antiferromagnetism in van der Waals TMPS3(TM = Mn, Fe, Ni)”J. Phys.: Condens. Matter 34,175404 (2022).
--2021--
206. V. Petkov and S. Shastri "Lattice symmetry breaking transition and critical size limit for ferroic orders in nanophase BiFeO3" Phys. Rev. B 104, 054121(2021).
205. E. Lee, K. A. Kuttiyiel, K.-H. Kim, J. Jang, H. J. Lee, J. M. Lee, M. H. Seo,
T.-H. Yang, S.-D. Yim, J. A. Vargas, V. Petkov, K. Sasaki, R. R. Adzic and G.-G. Park "High Pressure Nitrogen-Infused Ultrastable Fuel Cell Catalyst for Oxygen Reduction Reaction" ACS Catal. 11, 5525 (2021).
204. V. Petkov and V. Buscaglia "Rhombohedral distortion and percolation phenomena in B-site substituted perovskite ferroelectrics with enhanced piezoelectric response " Phys. Rev. Materials 5, 044410 (2021).
203. V. Petkov and Y. Ren "Local structure memory effects in the polar and nonpolar phases of MoTe2" Phys. Rev. B. 103, 094101 (2021).
202. Z.-P. Wu, D. T. Caracciolo, Y. Maswadeh, J. Wen, Zh. Kong, Sh. Shan, J. A. Vargas, Sh. Yan, E. Hopkins, K. Park, A. Sharma, Y. Ren, V. Petkov, L. Wang & Chuan-Jian Zhong "Alloying–realloying enabled high durability for Pt–Pd-3d-transition metal nanoparticle fuel cell catalysts" Nature Commun. 12, 8597 (2021).
--2020--
201. G. King, M. Celikin, M. Alberto Gomez, L. Becze, V. Petkov and G. Della Ventura “Revealing the structures and relationships of Ca(II)–Fe(III)–AsO4 minerals: arseniosiderite and yukonite" Envin. Sci.: Nano (Journal Cover story) 7, 3735 (2020).
200. V. Petkov J. Yang, S. Shastri, and Y. Ren "Hierarchy among the crystal lattice, charge density wave, and superconducting orders in transition metal dichalcogenides" Phys. Rev. B 102, 134119 (2020).
199. S. Shan, J. Li, Y. Maswadeh, C. O’Brien3,6, H. Kareem, D. T. Tran, I. C. Lee, Z.-P. Wu, S. Wang, S. Yan, H. Cronk, D. Mott, L. Yang, J. Luo, V. Petkov & Ch.-J. Zhong “ “Surface oxygenation of multicomponent nanoparticles toward active and stable oxidation catalysts” Nature Commun. 11, 4201 (2020).
198. R. K. Ramamoorthy, E. Yildirim, E. Barba, P. Roblin, J. A. Vargas, L.-M. Lacroix, I. Rodriguez-Ruiz, P. Decorse, V. Petkov, S. Teychené and G. Viau “The role of pre-nucleation clusters in the crystallization of gold nanoparticles” Nanoscale 12, (2020).
197. V. Petkov, K. Chapagain , J. Yang, S. Shastri, and Y. Ren “Exotic bonding interactions and coexistence of chemically distinct periodic lattice distortions in the charge density wave compound TaTe2" Phys. Rev. B 102, 024111 (2020).
196. Ch. Kokkinos, A. Economou, A. Pournara, M. Manos, I. Spanopoulos, M. Kanatzidis, Th. Tziotzi, V. Petkov, A. Margariti, P. Oikonomopoulos, G. S. Papaefstathiou “3D-printed lab-in-a-syringe voltammetric cell based on a working electrode modifed with a highly effcient Ca-MOF sorbent for the determination of Hg (II)” Sensors and Actuators B: Chemical 321, 128508 (2020).
195. V. Petkov, K. Chapagain, S. Shastri and Y. Ren “Genesis of the periodic lattice distortions in the charge density wave state of 2H-TaSe2" Phys. Rev. B 101, 121114 (Rapids) (2020).
194. S. Chanakian, D. Uhl, D. Neff, F. Drymiotis, J. Park, V. Petkov, A. Zevalkink and S. Bux “Exceptionally high electronic mobility in defect-rich EuZnSb2-xBix alloys” J. Chem. Mat. A 8, 6004 (2020).
193. M. A. Matin, J. Lee, G. W. Kim, Hyun-Uk Park, B. Jun Cha, S. Shastri, G. Kim, Y.-Dok Kim, Young-Uk Kwon, V. Petkov “Morphing Mncore@Ptshell nanoparticles: Effects of core structure on the ORR performance of Pt shell” Appl. Cat. B.: Environmental 267, (2020) 118727.
--2019--
192. Zh. Kong, Y. Maswadeh, J. A. Vargas, Sh. Shan, Zhi-Peng Wu, H. Kareem, A. C. Leff, Dat T. Tran, F. Chang, Sh. Yan, S. Nam, X. Zhao, J. M. Lee, Jin Luo, S. Shastri, Gang Yu, V. Petkov and Chuan-Jian Zhong “Origin of High Activity and Durability of Twisty Nanowire Alloy Catalysts under Oxygen Reduction and Fuel Cell Operating Conditions" J. Am. Chem. Soc. 142 (2020) 1287.
191. V. Petkov, Jong-Woo Kim, S. Shastri, Sh. Gupta and Sh. Priya “Geometrical frustration and piezoelectric response in oxide ferroics” Phys. Rev. Mat. 4, 014405 (2020) " Phys. Rev. Mat.4 (2020) 014405 (Editors' Suggestion).
190. A. D. Pournara, A. Margariti, G. D. Tarlas, A. Kourtelaris, V. Petkov, Ch. Kokkinos, A. Economou, G. S. Papaefstathiou and M. J. Manos "A Ca2+ MOF combining highly efficient sorption and
capability for voltammetric determination of heavy metal ions in aqueous media" " J. Mat. Chem. A 7 (2019) 15432.
189. Valeri Petkov, Yazan Maswadeh,Jorge A. Vargas, Shiyao Shan, Haval Kareem, Zhi-Peng Wu, Jin Luo, Chuan-Jian Zhong, Sarvjit Shastric and Peter Kenesei "Deviations from Vegard’s law and evolution of the electrocatalytic activity and stability of Pt-based nanoalloys inside fuel cells by in operando X-ray spectroscopy and total scattering" Nanoscale 11 (2019) 5512.
--2018--
188. Zhi-Peng Wu, Shiyao Shan, Zhi-Hui Xie, Ning Kang, Keonwoo Park, Emma Hopkins, Shan Yan, Anju Sharma, Jin Luo, Jie Wang, Valeri Petkov, Lichang Wang, and Chuan-Jian Zhong "Revealing the Role of Phase Structures of Bimetallic Nanocatalysts in the Oxygen Reduction Reaction" ACS Catal. 8 (2018) 1132.
187. H. N. Nong, T. Reier1, H.-S.Oh, M. Gliech1, P. Paciok, T. H. T. Vu, D. Teschner, M. Heggen, V. Petkov, R. Schlög, T. Jones and P.Strasser "A unique oxygen ligand environment facilitates water oxidation in hole-doped IrNiOx core–shell electrocatalysts"
Nat. Catal. 1 (2018) 841.
186. J. A. Vargas, V. Petkov, El Said A. Nouh, R. K. Ramamoorthy, L.-M. Lacroix, R. Poteau, G. Viau, P. Lecante, and R. Arenal “Ultrathin Au Nanowires with the polytetrahedral structure of manganese” ACS Nano 12 (2018) 9521.
185. Valeri Petkov, Sarvjit Shastri, Jong-Woo Kim, Shiyao Shan, Jin Luo, Jinfang Wu and Chuan-Jian Zhong “Application of differential resonant high-energy X-ray diffraction to three-dimensional structure studies of nanosized materials: A case study of Pt–Pd nanoalloy catalysts” Acta Cryst. A 74 (2018) 553.
184. Arnaud Demortie`re, Donovan N. Leonard, Valeri Petkov, Karena Chapman, Soma Chattopadhyay, Chunxing She, David A. Cullen, Tomohiro Shibata, Matthew Pelton, and Elena V. Shevchenko “Strain-Driven Stacking Faults in CdSe/CdS Core/Shell Nanorods” J. Phys. Chem. Lett. 9 (2018) 1900.
183. Valeri Petkov, Yazan Maswadeh, Yinguang Zhao, Aolin Lu, Hannah Cronk, Fangfang Chang, Shiyao Shan, Haval Kareem, Jin Luo, Chuan-Jian Zhong, Sarvjit Shastri and Peter Kenesei “Nanoalloy catalysts inside fuel cells: An atomic-level perspective on the functionality by combined in operando -ray spectroscopy and total scattering” Nano Energy 49 (2018) 209.
182. Valeri Petkov, Yazan Maswadeh, Aolin Lu, Shiyao Shan, Haval Kareem, Yinguang Zhao, Jin Luo, Chuan-Jian Zhong, Kevin Beyer and Karena Chapman "Evolution of Active Sites in Pt-Based Nanoalloy Catalysts for the Oxidation of Carbonaceous Species by Combined in Situ Infrared Spectroscopy and Total X-ray Scattering" ACS Applied Materials & Interfaces 10 (2018) 10870.
181. Haval Kareem, Shiyao Shan, Fang Lin, Jing Li, Zhipeng Wu, Binay Prasai, Casey P. O’Brien, Ivan C. Lee, Dat T. Tran, Lefu Yang, Derrick Mott, Jin Luo, Valeri Petkov and Chuan-Jian Zhong "Evolution of surface catalytic sites on thermochemically-tuned gold–palladium nanoalloys" Nanoscale 10 (2018) 3849.
180. Aolin Lu, Zhi-Peng Wu, Binghui Chen, Dong-Liang Peng, Shan Yan, Shiyao Shan, Zakiya Skeete, Fangfang Chang, Yuanzhi Chen, Hongfei Zheng, Deqian Zeng, Lefu Yang, Anju Sharma, Jin Luo, Lichang Wang, Valeri Petkov and Chuan-Jian Zhong "From a Au-rich core/PtNi-rich shell to a Ni-rich core/PtAu-rich shell: an effective thermochemical pathway to nanoengineering catalysts for fuel cells" J. Mat. Chem. A 6 (2018) 5143.
--2017--
179. V. Petkov, Binay Prasai, Sarvjit Shastri, Hyun-Uk Park, Young-Uk Kwon and Vassil Skumryev "Ensemble averaged structure–function relationship for nanocrystals: effective superparamagnetic Fe clusters with catalytically active Pt skin" Nanoscale 9 (2017) 15505.
178. Y. Zhao, Y. Maswadeh, Sh. Shan, H. Cronk, Z. Skeete, B. Prasai, J. Luo, V. Petkov and Ch.-J. Zhong “Composition-Structure-Activity Correlation of Platinum- Ruthenium Nanoalloy Catalysts for Ethanol Oxidation Reaction" J. Phys. Chem. C. 121 (2017) 17077.
177. J. Wu, Sh. Shan, H. Cronk, F. Chang, H. Kareem, Y. Zhao, J.in Luo, V. Petkov and C.-J. Zhong “Understanding Composition-Dependent Synergy of PtPd Alloy Nanoparticles in Electrocatalytic Oxygen Reduction Reaction” J. Phys. Chem. C. 121 (2017) 14128.
176. S.-D. Han, S. Kim, D. Li, V. Petkov, H. D. Yoo, P. J. Phillips, H. Wang, J. Jin Kim, K. L. More, B. Key, R. F. Klie, J. Cabana, V. R. Stamenkovic, T. T. Fister, N. M. Markovic, A. K. Burrell, S. Tepavcevic and John T. Vaughey “Mechanism of Zn Insertion into Nanostructured d-MnO2:A Nonaqueous Rechargeable Zn Metal Battery” Chem. Mat. 29 (2017) 4874.
175. F. Chang, G. Yu, Sh. Shan, Z. Skeete, J. Wu, J. Luo, Y. Ren, V. Petkov and Ch.-J. Zhong "Platinum–nickel nanowire catalysts with composition-tunable alloying and faceting for the oxygen reduction reaction” J. Mat. Chem. A 5 (2017) 1255.
174. L. Zhu, S. Shan, V. Petkov, W. Hu, A. Kroner, J. Zheng, C. Yu, N. Zhang, Y.Li, R. Luque, C.-J. Zhong, H. Ye, Z. Yang and B. H. Chen "Ruthenium–nickel–nickel hydroxide nanoparticles for room temperature catalytic hydrogenation” J. Mat. Chem. A 5 (2017) 786.
173. V. Petkov, B. Prasai, S. Shastri, J.-W. Kim, S. Shan, H.R. Kareem, J. Luo and Ch.-J. Zhong “Surface Atomic Structure and Functionality of Metallic Nanoparticles: A Case Study of Au-Pd Nanoalloy Catalysts” J. Phys. Chem. C 121 (2017) 785.
172. Y. Maswadeh, S. Shan, B. Prasai, Y. Zhao, Zhi-Hui Xie, Z. Wu, J. Luo, Y. Ren, Chuan-Jian Zhong and V. Petkov “Charting the relationship between phase type surface area-interactions between the constituent atoms and oxygen reduction activity of Pd–Cu nanocatalysts inside fuel cells by in operando high-energy X-ray diffraction” J. Mat. Chem. A 5 (2017) 735.
--2016--
171. Chang, Sh. Shan, V. Petkov, Z. Skeete, A. Lu, J. Ravid, J. Wu, J. Luo, G. Yu, Y. Ren and Ch.-Jian Zhong “Composition Tunability and (111)-Dominant Facets of Ultrathin Platinum-Gold Alloy Nanowires toward Enhanced Electrocatalysis” J. Am. Chem. Soc. 138 (2016) 12166.
170. N. Kang, M. Ng, Sh. Shan, J. Wu, W. Zhao, J. Yin, W. Fang, J. Luo, V. Petkov,
Ch. J. Zhong “Synergistic catalytic properties of bifunctional nanoalloy catalysts in rechargeable lithium-oxygen battery” J. Power Sources 326 (2016) 60.
169. V. Petkov, B. Prasai, S. Shan,
Y. Ren, J. Wu, H. Cronk, J. Luo and Ch.-J. Zhong “Structural dynamics and activity of nanocatalysts inside fuel cells by in operando atomic pair
distribution studies” Nanoscale 8 (2016) 10749.
168. Gui-Liang Xu, T.
Ma, Ch.-Jun Sun, Ch. Luo, Lei Cheng, Y. Ren, S. M. Heald, Ch. Wang, L. Curtiss,
J. Wen, D. J. Miller, T. Li, X. Zuo, V. Petkov, Z. Chen
and K. Amin “Insight into the Capacity Fading Mechanism of amorphous Se2S5
Confined in Micro/Mesoporous Carbon Matrix in Ether-Based Electrolytes”
NanoLett. 16 (2016) 2663.
167. N. M. Bedford, Z.
E. Hughes, Zh. Tang, Y. Li, B. D. Briggs, Y. Ren, M. T. Swihart, V.
Petkov, R. R. Naik, M. R. Knecht and T. R. Walsh
“Sequence-Dependent Structure/Function Relationships of Catalytic
Peptide-Enabled Gold Nanoparticles Generated under Ambient Synthetic Conditions”
J. Am. Chem. Soc. 138 (2016) 548.
--2015--
166. J.Wu, Sh. Shan, J. Luo,
Ph. Joseph, V. Petkov and C.J. Zhong “PdCu Nanoalloy Electrocatalysts in
Oxygen Reduction Reaction: Role of Composition and Phase State in Catalytic
Synergy” ACS Applied Materials & Interfaces 7 (2015) 25906.
165. Sh. Shan,
V. Petkov, B. Prasai, J. Wu, P. Joseph, Z. S. Eunjoo Kim, D. Mott,
O. Malis, J. Luo and C.-J. Zhong “Catalytic activity of bimetallic catalysts
highly sensitive to the atomic composition and phase structure at the nanoscale”
Nanoscale 7 (2015) 18936.
164. Valeri
Petkov, Binay Prasai, Sarvjit Shastri and Tsan-Yao Chen “3D Atomic
Arrangement at Functional Interfaces Inside Nanoparticles by Resonant
High-Energy X-ray Diffraction” ACS Applied Materials & Interfaces 7
(2015) 23265.
163. Binay Prasai, A. R. Wilson, B. J. Wiley,Y.
Ren and Valeri Petkov “On the road to metallic nanoparticles by rational design: bridging the gap
between atomic-level theoretical modeling and reality by total scattering
experiments” Nanoscale 7 (2015) 17902.
162. J. Wu, S. Shan,
V. Petkov , B. Prasai, H. Cronk; J. Pharrah. J. Luo, C. J. Zhong
"Composition-Structure-Activity Relationships for Palladium-Alloyed
Nanocatalysts in Oxygen Reduction Reaction: An ex-situ/in-situ High Energy X-ray
Diffraction Study" ACS Catalysis 5 (2015) 5317.
161. N. M. Bedford,
H.-R.-Dakhel, J. M. Slocik, B. D. Briggs, Y. Ren, A. I. Frenkel, V. Petkov , H. Heinz, R. R. Naik and M. R. Knecht “Elucidation of Peptide-Directed
Palladium Surface Structure for Biologically Tunable Nanocatalysts” ACS Nano
9 (2015) 5082 (Journal
Cover Story).
160. B. Prasai, Y.
Ren, Sh. Shan, Y. Zhao, H. Cronk, J. Luo, C.-J. Zhong and V. Petkov “Synthesis-atomic structure-properties relationships in metallic nanoparticles
by total scattering experiments and 3D computer simulations: case of Pt–Ru
nanoalloy catalysts” Nanoscale 7 (2015) 8122.
159. H. N. Nong, H.-Suk
Oh, T. Reier, E. Willinger, M.-G. Willinger, V. Petkov,
D. Teschner and P. Strasser “Oxide-Supported IrNiOx Core–Shell Particles as
Efficient, Cost-Effective, and Stable Catalysts for Electrochemical Water
Splitting” Angew. Chem. Int. Ed. 54 (2015) 2975.
--2014--
158. S. Gupta, V. Petkov and S. Priya "Local atomic
structure of KxNa(1-x)NbO3 by total XRD"
Appl. Phys. Lett. 105 (2014) 232902.
157. R. Loukrakpam, Q. Yuan, V. Petkov, L. Gan,
S. Rudi, R. Yang, Y. Huang, S. R. Brankovic and P. Strasser “Efficient C–C bond
splitting on Pt monolayer and sub-monolayer catalysts during ethanol
electrooxidation: Pt layer strain and morphology effects” Phys. Chem. Chem.
Phys. 16 (2014) 18866.
156. S. Shan, J. Luo,
J. Wu, N. Kang, W. Zhao, H. Cronk, Y. Zhao, P. Joseph, V. Petkov , C.
J. Zhong "Nanoalloy Catalysts for Electrochemical Energy Conversion and Storage
Reactions" RSC Advances 4 (2014) 42654.
155. V. Petkov,
B. Prasai, Y. Ren, S. Shan, J. Luo, P. Joseph and Ch.-J. Zhong “Solving the
nanostructure problem: exemplified on metallic alloy nanoparticles”
Nanoscale 6 (2014) 10048.
154. N. Erini, R.
Loukrakpam, V. Petkov , E. A. Baranova, R.Yang, D. Teschner, Y. Huang, S.
R. Brankovic, and P. Strasser “Ethanol Electro-Oxidation on Ternary Platinum-Rhodium-Tin Nanocatalysts: Insights in the Atomic 3D Structure of the
Active Catalytic Phase” ACS Catalysis 4 (2014) 1859.
153. S. Shan, V.
Petkov, L.Yang, J. Luo, Ph. Joseph, D. Mayzel, B. Prasai, L. Wang, M.
Engelhard and Ch.-J. Zhong
" Atomic-structural synergy for catalytic oxidation of CO over
Pd-Ni nanoalloys" J. Am. Chem. Soc. 136 (2014) 7140.
152. Xian-Yang Quek,
Ivo A. W. Filot, Robert Pestman, Rutger A. van Santen, Valeri Petkov and
Emiel J. M. Hensen “Correlating Fischer–Tropsch activity to Ru nanoparticle
surface structure as probed by high-energy X-ray diffraction” ChemComm.
50 (2014) 6005.
151.
V. Buscaglia, S.Tripathi, V. Petkov, M. Dapiaggi, M.
Deluca, A. Gajovi, and Y. Ren “Average and local atomic-scale structure in BaZrxTi1-xO3
(x=0.10, 0.20, 0.40) ceramics by high-energy x-ray
diffraction and Raman spectroscopy” J. Phys.: Condens Matter 26 (2014)
065901.
150. D. Maurya, A. Kumar, V. Petkov , J. E. Mahaney, R. S. Katiyare and S. Priya “Local structure and piezoelectric
instability in lead free (1-x)BaTiO3--xA(Cu1/3Nb2/3)O3 (A = Sr, Ca, Ba) solid solutions” RSC Advances 4 (2014) 1283.
149. V.
Petkov, Y. Ren, S. Shan, J. Luo and Ch. J. Zhong “A
distinct atomic structure–catalytic activity relationship in 3–10 nm supported
Au particles” Nanoscale 6 (2014) 532.
--2013--
148. S. Shan, V.
Petkov, L.Yang, D. Mott, B.N. Wanjala, F. Cai, B. H. Chen, J. Luo and Ch.-J.
Zhong “Oxophilicity and Structural Integrity in Maneuvering Surface Oxygenated
Species on Nanoalloys for CO Oxidation” ACS Catalysis 13 (2013) 3075.
147. R. Loukrakpam, Sh.
Shan, V. Petkov, L.Yang, J. Luo and C. J. Zhong “Atomic Ordering Enhanced
Electrocatalytic Activity of Nanoalloys for Oxygen Reduction Reaction” J.
Phys. Chem. C 117 (2013) 20715.
146. V. Petkov,
S. Shastri, Sh. Shan, Ph. Joseph, J. Luo, C. J. Zhong, T. Nakamura, Y. Herbani
and Sh. Sato “Resolving Atomic Ordering Differences in Group 11 Nanosized Metals
and Binary Alloy Catalysts by Resonant High-Energy X-ray Diffraction and
Computer Simulations” J. Phys. Chem. C 117 (2013) 22131.
145. O. Gereben and
V. Petkov “Reverse Monte Carlo study of spherical sample under non-periodic
boundary conditions: the structure of Ru nanoparticles based on x-ray
diffraction data” J. Phys.: Condens. Matter 25 (2013) 454211. (Journal
Cover Story).
144. B. Gilbert, J. J.
Erbs, R. Lee Penn, V.Petkov, D. Spagnoli, and G. A. Waychunas “A
disordered nanoparticle model for 6-line ferrihydrite” Am. Mineralogist
98 (2013) 1465.
143. X. Tuaev, S. Rudi,
V. Petkov , A. Hoell and P. Strasser “In Situ Study of Atomic Structure
Transformations of Pt-Ni Nanoparticle Catalysts during Electrochemical Potential
Cycling” ACS Nano 7 (2013) 5766.
142. V. Petkov,
S. Shan, P. Chupas, J. Yin, L. Yang, J.Luo and C.J. Zhong "Noble-transition
metal nanoparticle breathing in a reactive gas atmosphere" Nanoscale 5
(2013) 7379.
141. V. Petkov,
C. M. Hessel, J. Ovtchinnikoff, A. Guillaussier, B. A. Korgel, X. Liu, and C.
Giordano "Structure-Properties Correlation in Si Nanoparticles by Total
Scattering and Computer Simulations" Chem. Mat. 25 (2013) 2365.
140. Su-Ch. Yang, A. Kumar, V. Petkov and
S.Priya ”Room-temperature magnetoelectric coupling in single-phase BaTiO3 –BiFeO3 system", J. Appl. Phys. 113 (2013) 144101.
139. T. G. Fawcett, C.
E. Crowder, S. N. Kabekkodu, F. Needham, J. A. Kaduk, T. N. Blanton, V.
Petkov, E. Bucher, and R. Shpanchenko “Reference materials for the study of
polymorphism and crystallinity in cellulosics” Powder Diffraction 28
(2013) 18.
138. S. Tripathi and V. Petkov
“Iso-structural phase transition in YMnO3 nanosized particles” Appl. Phys. Lett. 102 (2013) 061909.
137. T. C. Monson, E. L. Venturini, V. Petkov
, Y. Ren, M. Judith , D.L. Huber” Large enhancements of magnetic anisotropy in
oxide-free iron nanoparticles” J. Magn. Mag. Mater. 331 (2013) 156.
136. V. Petkov Y.
Ren, S. Kabekkodu and D. Murphy " Atomic Pair Distribution Functions analysis of
disordered low-Z materials ", Phys.Chem. Chem. Phys. 15 (2013) 8544.
--2012--
135. V. Petkov , Y. Lee, S.Sun and Y. Ren "Noncrystallographic Atomic
Arrangement Driven Enhancement of the Catalytic Activity of Au Nanoparticles"
J. Phys. Chem. C 116 (2012) 26668
.
134.J. Yin, S. Shan,
L. Yang, D. Mott, O. Malis, V. Petkov , F. Cai, M. S. Ng, J. Luo, B. H.
Chen, M. Engelhard, C. J. Zhong "Gold-Copper Nanoparticles: Nanostructural
Evolution and Bifunctional Catalytic Sites" Chem. Mater. 24 (2012)
4662
.
133. B.N. Wanjala, B. Fang, S. Shan, V. Petkov,
P. Zhu, R. Loukrakpam, Y. Chen, J. Luo, J. Yin, L. Yang, M. Shao and C-J. Zhong
"Design of ternary nanoalloy catalysts: effect of nanoscale alloying and
structural perfection on electrocatalytic enchancement" Chem. Mat. 24
(2012) 4283.
132. S. Tripathi, V. Petkov , S. M. Selbach, K. Bergum,
M.-A. Einarsrud, T. Grande and Y. Ren " Structural coherence and ferroelectric
order in nanosized multiferroic YMnO3"
PRB 86 (2012) 094101.
131. V. Petkov , L. Yang, J. Yin, R. Loukrakpam, S.
Shan, B. Wanjala, J. Luo, K. W. Chapman and C. -J. Zhong " Reactive Gas
Environment Induced Structural Modification of Noble-Transition Metal Nanoparticles"
PRL 109 (2012) 125504.
130. Lefu Yang, Shiyao Shan, Rameshwori Loukrakpam,
Valeri Petkov, Yang Ren, Bridgid N. Wanjala, Mark H. Engelhard, Jin Luo, Jun
Yin, Yongsheng Chen, and Chuan-Jian Zhong “Role of Support-Nanoalloy
Interactions in the Atomic-Scale Structural and Chemical Ordering for Tuning
Catalytic Sites” J. Am. Chem. Soc. 134 (2012) 15048.
129. M. J. Polking, M.-G. Han, A. Yourdkhani,
V. Petkov, Ch. F. Kisielowski, V. V. Volkov, Y.Zhu, G. Caruntu, A. Paul
Alivisatos and R. Ramesh “Coherent Ferroelectric Ordering in Individual
Nanoscale Single Crystals” Nat. Mat. 11 (2012) 700.
128. V. Petkov, R. Loukrakpam, L. Yang, B.
N. Wanjala, J. Luo, C.-J. Zhong and S. Shastri, “Pt-Au alloying at the
nanoscale”, Nano Lett. 12 (2012) 4289.
127. V. Petkov “Pair Distribution Function
Analysis” Invited Review Article in Wiley’s “Characterization of
Materials” 1361 (2012).
126. V. Petkov, S. Shastri, B. Wanjala, R. Loukrakpam, J.
Luo, and C.-J. Zhong “ Atomic ordering in nanosized PtxAu1-x
(x=0,0.5,1) by resonant XRD and differential
atomic pair distribution functions” Invited paper in Zeitschr.
Kristall. 227 (2012) 262
.
125. D. Maurya, V. Petkov, A. Kumar
and S. Priya “Nanostructured Lead – Free Ferroelectric Na0.5Bi0.5TiO3-BaTiO3 Whiskers: Synthesis Mechanism and Structure” Dalton Trans. 41
(2012) 5643
.
124. V. Petkov, Y. Ren and M. Suchomel
“Molecular arrangement in water: random but not quite” Featured
article in J. Phys.: Condens. Matter 24
(2012) 155102
.
--2011--
123. R. Loukrakpam, B. N. Wanjala, J. Yin, B.
Fang, J. Luo, M. Shao, L. Protsailo, T. Kawamura, Y. Chen, V. Petkov, and
Ch.-J. Zhong “Structural and Electrocatalytic Properties of PtIrCo/C Catalysts
for Oxygen Reduction Reaction” ACS Catalysis 1 (2011) 562
.
122. M. Welborn, W. Tang, J. Ryu, R. M. Crooks,
V. Petkov, and G. Henkelman “A combined density functional and x-ray
diffraction study of Pt nanoparticle structure” J. Chem. Phys. 135
(2011) 014503
.
121. V. Petkov, A. Timmons, J. Camardese
and Y. Ren, “Li insertion in ball-milled graphitic carbons by total
x-ray diffraction”,
Featured article in J. Phys.: Condensed Matter 23
(2011) 435003
.
120. S. Le Roux, S. Martin, R. Christensen,
Y. Ren and V. Petkov , “Three dimensional structure of multicomponent (Na2O)0.35
[(P2O5)1-x
(B2O3)x]0.65
glasses by high energy X-ray diffraction and constrained reverse Monte Carlo
simulations” J. Phys.: Condens. Matter 23 (2011) 035403
.
--2010--
119. V.
Petkov, S. M. Selbach, M.-A. Einarsrud, T. Grande and S. D. Shastri,
“Melting of Bi-sublattice in nanosized BiFeO3 perovskite
by resonant x-ray diffraction”
, Phys. Rev. Lett. 105 (2010) 185501
.
118. V. Petkov and S.
Shastri, “Element-Specific View of the Atomic Ordering in Materials of Limited
Structural Coherence by High-Energy Resonant X-Ray Diffraction and Atomic Pair
Distribution Functions Analysis: A Study of PtPd Nanosized Catalysts”,
Phys. Rev. B 81
(2010) 165428
.
117. V. Petkov, I. Moreels, Z. Hens and Y. Ren, “PbSe
Quantum dots: Finite, off-stoichiometric and structurally distorted” Phys.
Rev. B 81 (2010) 241304(R).
116.
V. Petkov and D. Le Messurier,
“Atomic-scale structure of GeSe2 glass revisited: a continuous or
broken network of Ge-(Se1/2)4 tetrahedra”, J.
Phys.:
Condens. Matter
22 (2010) 115402
(IOP Select Paper)
.
115. Ch. R.
Muller, V. Kathriarachchi, M. Schuch, P. Maass and V. Petkov “Evaluation
of Reverse Monte Carlo Models based on Molecular Dynamics Simulations: A Case
Study of Ion Conducting Network Glasses”, Phys.
Chem. Chem. Phys.
12 (2010) 10444.
114. S. L. Roux and
V. Petkov,
“I.S.A.A.C.S. - Interactive Structure Analysis of Amorphous and Crystalline Systems”, J. Appl. Crystallogr. 43
(2010), 181.
-2009-
113.V. Petkov, P. D. Cozzoli, R. Buonsanti, R.Cingolani, and Y.Ren
“Size, shape and internal atomic ordering of
nanocrystals by atomic pair distribution functions: a comparative study of
gamma-Fe2O3
nanosized spheres and tetrapods”,
JACS Comm. 131 (2009)
14264 .
112. M. J. Manos, V. Petkov and M.
Kanatzidis “H2xMnxSn3-xS6
(x =0.11–0.25): A Novel Reusable Sorbent for Highly Specific Mercury Capture
Under Extreme pH Conditions”, Adv. Func. Mat. 19 (2009) 1
.
111.
V. Petkov, “3D structure of Nanosized catalysts by High-energy X-ray diffraction“,
Synchr. Rad. News 22 (2009) 29
.
110.
T. Spassov, S. Todorova and V. Petkov, “Kinetics of Mg6Ni
nanocrystallization in amorphous Mg83Ni17”,
J. Non-Cryst. Solids 355 (2009) 1
.
109.
V. Petkov, K. Poppelmeier and Y. Ren “Atomic-scale structure of
biotic nanophase materials by high-energy x-ray diffraction: study of bacteria
and fungi-made MnOx“ ACS Nano 3 (2009) 441
.
108.
D. Le Messurier, V. Petkov, S.W. Martin and
Y. Ren, “Three-dimensional structure of fast-ion conducting 0.5Li2S+0.5[(1-x)GeS2+xGeO2]
glasses from high-energy x-ray diffraction and RMC modeling”, J. Non-Cryst.
Solids 335 (2009) 430
.
-2008-
107.V. Petkov,
"Nanostructure by high-energy XRD",
Journal Cover Story:
Materials Today
11 (2008) 28
.
106. V. Petkov,
V. Buscaglia, M. Buscaglia, Z. Zhao and Y. Ren “Structural Coherence and
Ferroelectricity Decay in Submicron- and Nano-sized Perovskites”, Phys.
Rev. B 78 (2008) 054107
.
105.
Marc R. Knecht, Michael G. Weir, V. Sue Myers, William D. Pyrz, Heechang Ye,
Valeri Petkov, Douglas J. Buttrey, Anatoly I. Frenkel, and Richard M. Crooks
“Synthesis and Characterization of Pt Dendrimer-Encapsulated Nanoparticles:
Effect of the Template on Nanoparticle Formation”, Chem. Mat.
20 (2008) 5218
.
104.
V. Petkov, N.
Bedford, M. R. Knecht , M. G. Weir , R. M. Crooks , W. Tang , G. Henkelman and A. Frenkel “Periodicity and atomic ordering in nanosized particles of crystals" J. Phys.
Chem. C 112 (2008) 8907
.
103. Céline
Dablemont, Philippe Lang, Claire Mangeney, Jean-Yves Piquemal, Valeri Petkov,
Frédéric Herbst, Guillaume Viau,
"Functionalization
and grafting of platinum nanoparticles on alumina surfaces: an FT-IR and XPS
study", Langmuir 24 (2008) 5832
.
-2007-
102.Swapan K. Pradhan, Yuanbing Mao, Stanislaus S. Wong, Peter Chupas and
Valeri Petkov, “Atomic-scale structure of nanosize titania and titanate:
particles, wires and tubes”, Chem. Mat. 19 (2007) 6180
.
101. N. Bedford,
G. Viau, P. Chupas and V. Petkov, “3D structure of nanosize catalysts by high-energy XRD and RMC simulations: study of Ru”, J. Phys. Chem. C
111 (2007) 18214
.
100.
M. Gateshki, Q. Chen, L.-M. Peng, P. Chupas and V. Petkov "Structure of nanosize materials by high energy XRD: study of titania nanotubes",
Zeit. Kristall. 222 (2007) 612
.
99. S. K. Pradhan, Z. T. Deng, F. Tang, C. Wang,
Y. Ren , P. Moeck and V. Petkov, “3D structure of CdX (X=Se, Te)
nanocrystals by total x-ray diffraction”, J. Appl. Phys. 102
(2007) 044304
.
98. M. Gateshki, S. Yin, Y. Ren and V. Petkov
"Titania polymorphs by soft chemistry: is there a common structural pattern ? " Chem. Mater. 19 (2007) 2512
.
97.
S. K. Pradhan, M. Gateshki, M. Niederberger, Y. Ren and V. Petkov,
“Pb(Zr/Ti)O3 by soft synthesis: Structural aspects” Phys. Rev. B
76 (2007) 014114 .
96. M. Gateshki, M. Niederberger, A. S. Deshpande, Y.Ren and
V. Petkov, "Atomic-scale structure of
nanocrystalline CeO2-ZrO2 oxides by high-energy X-ray
diffraction", J. Phys.: Condens Matter, 19 (2007) 156205
.
-2006-
95. V. Petkov, T. Ohta, Y. Hou and Y. Ren “Atomic-scale Structure of Nanocrystals by High-Energy X-ray Diffraction and Atomic PairDistribution Function Analysis: Study of FexPd100-x (x=0, 26, 28, 48) nanoparticles”, J. Phys. Chem. C 111 (2007) 714
.
94. B. Wachter, K. Chrissafis, V. Petkov, C. D. Malliakas,Daniel Bilc, Th. Kyratsi, K. M. Paraskevopoulos, S. D. Mahanti, T. Torbrgge, H. Eckert and M. G. Kanatzidis "Local structure,bonding and phase-change behavior in the chalcogenides K1-xMxSb5S8(M=Rb,Tl)Solid State Chem. 180 (2007) 420 .
93. M. Gateshki, V. Petkov, T. Hyeon, M. Niederberger and Y. Ren, “Interplay between the local structural disorder and the length of structural coherence in stabilizing the cubic phase in nanocrystalline ZrO2”, Solid State Comm.138 (2006) 279 .
92.
V. Petkov,
M. Gateshki, M. Niederberger and Y. Ren, "Atomic-scale Structure of
Nanocrystalline BaxSr1-
xTiO3 (x=1,0.5,0) by X-ray Diffraction and the Atomic Pair Distribution Function
Technique”. Chem. Mater. 18 (2006) 814
-2005-
91. V. Petkov, M. Gateshki, J Choi, E.D. Gillian and Y. Ren,
"Structure of nanocrystalline GaN from X-ray diffraction, Rietveld and aomic pair distribution function analyses", J. Mater. Chem. 15 (2005) 4654
.
90. V. Petkov, Y. Peng,
G. Williams, B. Huang, D. Tomalia and Y. Ren, “Three-dimensional structure of
gold nanoparticles in water by x-ray diffraction and computer simulations”,
Phys. Rev. B 72 (2005) 195402
.
89. M. Gateshki, V. Petkov, S. K. Pradhan and T. Vogt, “Structure of Nanocrystalline MgFe2O4 From X-ray Diffraction, Rietveld and
Atomic Pair Distribution Function Analysis”, J. Appl. Cryst. 38 (2005) 772
.
88. Toni Spassov, Valeri Petkov and P.Solsona , “Hydriding/dehydriding of Mg87Ni3Al3Mm7 (Mm=La,Ce-rich mischmetal) alloy produced by mechanical milling”,
J. Alloys and Compounds 403 (2005) 363
.
87. Valeri Petkov, Vencislav Parvanov, Pantelis Trikalitis, Christos
Malliakas, TomVogt and Mercouri Kanatzidis, “Three-dimensional structure of
Nanocomposites from Atomic Pair Distribution Function Analysis: Study of
Polyaniline and (Polyaniline)xV2O5.nH2O”, J. Am. Chem. Soc. 127 (2005)
8805
.
86. Jin Luo, Mathew M. Maye, Valeri Petkov, Nancy N. Kariuki, Lingyan Wang, Peter Njoki, Derrick Mott, Yan Lin, and Chuan-Jian Zhong,
“Carbon-Supported AuPt Nanoparticles with Different Bimetallic Compositions”, Chem. Mater., 17 (2005) 3086
.
85.
M. Gateshki, V. Petkov, G. Williams, S. K. Pradhan and
Yang Ren, "Atomic scale structure of nanocrystalline ZrO2", Phys. Rev. B 71
(2005) 224107
.
84. S.J.L. Billinge, E.J. McKimmy, M. Ahatnawi, H-J
Kim, V. Petkov, D. Wermeille, T.J. Pinnavaia, “Mercury binding sites in
Thiol-functionalized mesostructured silica” , J. Am. Chem. Soc. 127
(2005) 8492
.
83. W. Yao, S.W. Martin and V. Petkov, “Structure
determination of low-alkali-content Na2S + B2S3 glasses
using neutron and synchrotron x-ray diffraction”, J. Non-Cryst. Sol. 351
(2005) 1995
.
82. S.K. Pradhan, S. Bid, M. Gateshki and V.
Petkov, ”Microstructure characterization and cation distribution of
nanocrystalline magnesium ferrite prepared by ball milling”, Mat. Chem. Phys.
15 (2005) 224 .
81. V. Petkov, “Atomic-scale structure of glasses using
high-energy x-ray diffraction”, J. Am. Ceram. Society 88 (2005)
2528
.
80. Wenfu Yan, Valeri Petkov, Shannon M. Mahurin and Sheng Dai, “ Ultra-small gold nanoparticles on titania modified SBA-15”, Catal.
Communications 6 (2005) 404
.
79.
V. Petkov, V. Parvanov, D. Tomalia, D. Swanson, D. Bergstrom and T.
Vogt, “3D structure of dendritic and hyper-branched macromolecules by x-ray
diffraction”, Solid State Communications, 134
(2005) 671 .
-2004-
78. Milen Gateshki, Seong-Ju Hwang, Dae Hoon
Park, Yang Ren, and Valeri Petkov, “Structure of exfoliated
titanate nanosheets determined by atomic pair distribution function analysis”,
Chem. Mater. 16 (2004) 5153.
77. E. Bozin, V. Petkov, P. Barnes, P. Woodward, T. Vogt, S. Mahanti and
S.Billinge, “Temperature dependent total scattering structural study of
CaCu3Ti4O12”, J. Phys.: Condens. Matter 16 (2204) S5091.
76. M. Gateshki, Seong-Ju Hwang, D. H. Park, Y. Ren, and V.
Petkov, "Structure of Nanocrystalline Alkali Metal Manganese Oxides by the
Atomic Pair Distribution Function Technique",
J. Phys. Chem. 108 (2004) 14876
.
75. M.A. Morales, D.S. Williams, P.M. Stand, C. Stark, T.M. Pekarek, L.P. Yue,
V. Petkov and D.L. Leslie-Pelecky, “Disorder-Induced Depression of the Curie
temperature in Mechanically Milled GdAl2”, Phys. Rev. B 70, (2004) 184407
.
74. V. Petkov, “Atomic-scale structure of nanocrystals by the atomic pair
distribution function technique”, Molecular Simulations 31 (2005) 101.
73.
V. Petkov, P. Y.
Zavalij, S. Lutta, M. S. Whittingham, V. Parvanov and S. Shastri, "Structure
beyond Bragg: Study of V2O5 nanotubes", Phys. Rev. B 69 (2004) 085410
.
-2003-
72.
D. Williams, P.M. Shand, T. Pekarek, R. Skomski, V. Petkov and D.L.
Leslie-Pelecky, “Magnetic transitions in disordered GdAl2”, Phys. Rev. B
68 (2003) 214404.
.
71.
V. Petkov, D. Qadir and S. Shastri, “Rapid structure determination of
disordered materials: study of GeSe2 glass”, Solid State Comm. 129 (2004)
239
.
70. V.Petkov and T .Vogt, ‘Positional disorder of Ba in the
thermoelectric germanium clathrate Ba6Ge25”, Solid State Comm. 127 (2003)
43
.
69. P.Trikalitis, Valeri Petkov and M. G. Kanatzidis “Structure of Redox
Intercalated (NH4)0.5V2O5.mH2O Xerogel Using the Pair Distribution Function
Technique”, Chem. Mater. 15 (2003) 3337
.
68. V. Petkov, “Structure determination of nanocrystalline materials by
the atomic pair distribution function technique”, Adv. X-ray Anal. vol.
46 (2003) 31.
-2002-
67. S-J. Hwang, V. Petkov, K.K. Rangan, S. Shastri and M.G.
Kanatzidis, "Structure of nanocrystalline materials with intrinsic disorder from
Atomic Pair Distribution Function Analysis: The Intercalation compound AgxMoS2",
J. Phys. Chem. B 106 (2002) 12453
.
66. V. Petkov , S.J.L. Billinge, T .Vogt, A.S. Ichimura and J.L. Dye,
"Structure of intercalated Cs in zeolite ITQ-4: an array of metal ions and
correlated electrons confined in a pseudo-1D nanoporous host", Phys. Rev.
Lett. 89 (2002) 075502
.
65. V.
Petkov, E. Bozin, S.J.L. Billinge, T. Vogt, P. Trikalitis and M. Kanatzidis,
"Structure of nanocrystalline V2O5.nH2O xerogel determined by the atomic pair
distribution function technique", J. Am. Chem. Soc.
124 (2002) 10157 .
64. V.
Petkov, S.J.L. Billinge, P. Larson, S.D. Mahanti, T. Vogt, K. K. Rangan and
M. Kanatzidis, "Structure of nanocrystalline materials using atomic pair
distribution function analysis: Study of LiMoS 2" Phys. Rev. B.
65 (2002) 092105 .
63. Th.
Proffen,
V. Petkov, S.J.L. Billinge and T. Vogt, "Chemical short-range order obtained
by the atomic pair distribution function", Z. Kristallogr. 217
(2002) 47 .
62. T. Pauly, V.Petkov , Y. Liu, S.J.L. Billinge
and T. Pinnavaia, "Role of sodium versus local framework structure in
determining the hydrothermal stability of MCM-41 mesostructures", J. Am.
Chem. Soc., 124 (2002) 99 .
-2001-
61. V. Petkov, S.J.L. Billinge, S.D. Shastri and B. Himmel,
"High-resolution atomic distribution functions of disordered materials by high
energy x-ray diffraction, J. Non-Cryst. Sol. 293/295 (2001) 726 .
60. S. J. L. Billinge, V. Petkov , Th. Proffen, G. H. Kwei, J. L. Sarrao,
S. D. Shastri and S. Kycia,
"Charge inhomogeneities in the colossal magnetoresistant
manganites from the local atomic structure", Mater.
Res. Soc. Symp. Proc.
602 (2001) 177 .
59. V. Petkov
and S.J.L. Billinge, "Local structure of random InxGa1-xAs
alloys by full-profile fitting analysis of atomic pair distribution
functions", Physica B 305 (2001) 83 .
58. V. Petkov
and S.J.L. Billinge, "Structure of crystallographically challenged materials by
profile analysis of atomic pair distribution functions", Mat. Res. Soc.
Proceed . 678 (2001) EE.1.5.1. .
57. V. Petkov
and S.J.L. Billinge, "From crystals to nanocrystals: semiconductors and beyond"
in "
From semiconductors to proteins: beyond the average structure", Kluwer
Academic/Plenum Press (2001) p 153.
56. I-K. Jeong, F.
Mohiuddin-Jacobs, V. Petkov, S.J.L. Billinge and S. Kycia, "Local
structure of In xGa1-xAs semiconductor alloys using
high-energy synchrotron x-ray diffraction", Phys. Rev. B. 63
(2001) 205202 .
-2000-
55. V. Petkov, S.J.L. Billinge, S. Sashtri and B. Himmel, 'Polyhedral
units and connectivity in calcium aluminosilicate glasses from high-energy
x-ray diffraction', Phys. Rev. Lett.
85 (2000) 3436 .
54. O. Stachs, Th.
Gerber and V. Petkov, "An Image plate chamber for x-ray diffraction
experiments in Debye-Scherrer geometry", Rev. Sci. Inst. 71 (2000)
4007 .
53. M. Wachhold, K.
Kashturi-rangan, M.F. Thorpe, S.J.L. Billinge, V.Petkov, J. Heising and
M.G. Kanatzidis, 'Mesostructured metal germanium sulfide and selenide frameworks
based on the tetrahedral Ge4(S/Se 10) units, J. Solid State. Chem. 152
(2000) 21.
52. V. Petkov,
S.J.L. Billinge, J, Heising, M.G. Kanatzidis, S, Shastri and S. Kycia "High
real-space resolution structure of materials by high-energy x-ray diffraction",
Materials Research Society Symposia Proceeding 590
(2000) 151.
51. V. Petkov,
S.J.L. Billinge, J. Heising and M. Kanatzidis, "Application of atomic pair
distribution function analysis to materials with intrinsic disorder.
Three-dimensional structure of exfoliated-restacked WS2: Not just a random
turbostratic assembly of layers" J. Am. Chem. Soc. 122
(2000), 11571 .
50. S.J.L. Billlinge,
Th. Proffen, V. Petkov, J.L. Sarrao and S. Kycia, " Evidence for charge
localization in the ferromagnetic phase of La-Ca-Mn-O from
high-real-space resolution x-ray diffraction", Phys. Rev B 62(2000) 1203.
49. V. Petkov
, I-K. Jeong, F.M.-Jacobs, Th. Proffen, S.J.L. Billinge and W. Dmowski,
"Local structure of In0.5Ga 0.5As by joint high-resolution and differential pair
distribution function analysis" J. Appl. Phys. 88 (2000)
665 .
48. M. Wachhold, K.
Rangan, S.J.L. Billinge, V. Petkov, J. Heising and M. Kanatzidis,
"Mesostructured non-oxide solids with adjustable worm-hole shaped pores: metal
germanium selenide and sulfide frameworks based on the tetrahedral {Ge
4/Oxygen10 } clusters", Adv. Mater. 12 (2000) 85 .
-1999-
47. O. Stachs, V. Petkov , B. Himmel and Th. Gerber, "A secondary
graphite crystal spectrometer for anomalous X-ray diffraction experiments",
Nucl. Inst. & Methods A 434
(1999) 473.
46. O. Stachs, Th.
Gerber and V. Petkov, "The structure formation of zirconium oxide gels in
alcoholic solution", J. Sol-Gel. Sci. & Techn. 15 (1999) 23.
45. V.Petkov,
I-K. Jeong, J.S. Chung, M.F. Thorpe and S.Kycia and S.J.L. Billinge, 'High-real
space resolution measurement of the local structure of InxGa 1-xAs
semiconductor alloys using X-ray diffraction', Phys. Rev. Lett. 83(1999)
4089 .
44. V.Petkov,
R.G. DiFrancesco, S.J.L. Billinge. M. Acharaya and H.C. Foley, 'Local structure
of nanoporous carbon', Phil Mag. B 79 (1999) 1519 .
43. K. Kashturi
Rangan, S.J.L. Billinge, V. Petkov, J. Heising and M. Kanatzidis, '
Aqueous mediated synthesis of mesostructured germanium sulfide with hexagonal
order', Chem. Mater. 11
(1999) 2629.
42.V. Petkov ,
T. Sapassov, S. Surinah, and M. Baro “New Gd-Al nanophase obtained by
crystallization of Gd4Al3
metallic glass”, Nano98 Conference, Stockholm, Nanostructured Materials
12(1999) 609.
41. M. Acharaya, J.
Mathews, M. Strano, S.J.L. Billinge,V. Petkov, S. Subramoney and H. C.
Foley, ' Simulation of nanoporous carbons: a chemically constrained structure.'
Phil Mag. B 79 (1999) 1499.
40. V. Petkov
, O. Stachs, Th. Gerber, D. Ilieva and Y. Dimitriev, ' Atomic ordering in xGa2O3*
(100-x)TeO2 glasses (x=10,17.5,25) by X-ray diffraction'. J.
Non-Cryst. Sol. 248 (1999) 65.
-1998-
39.V. Petkov and R. Danev, ‘IFO - a program for image reconstruction-type
calculation of atomic distribution functions for disordered materials’,
J. Appl. Cryst . 31 (1998) 609 .
38.V. Petkov ,
G. Holzhuter, , U. Troge, Th. Gerber and B. Himmel, 'Atomic -scale structure of
amorphouTiO2 by electron, X-ray diffraction and reverse Monte Carlo
simulations’, J. Non-Cryst. Sol. 231 (1998) 17.
37. V. Petkov
, Th. Gerber and B. Himmel, „Atomic ordering in Cax/2Al xSi1-xO2
glasses (x=0.,0.34, 0.5,0.68) by energy dispersive X-ray diffraction“, Phys.
Rev. B58 (1998), 11982.
36. M. Grigorova, H.
Blythe, V. Blaskov, V. Russanov, V. Petkov, V. Masheva, D. Nihtianova, L.
Martinez, A. Munoz and M. Mikhov, “Magnetic and Mosbauer spectra of nanosized
CoFe2O4
powders”, J. Magn.Magn. Mater. 183 (1998) 163.
-1997-
35. O. Stachs, V. Petkov and Th. Gerber , „Structure of ZrO2SiO2
gels“, J. Appl. Cryst.
30 (1997) 670.
34. K. Sugiyama,
V. Petkov and S. Takeda, "Energy-dispersive X-ray diffraction (EDXD)
technique for structural studies of disordered materials. Application to SiO
2 , SrP2 O5 , Pd80Si 20 , Fe40Ni40
P14B6 glasses and liquid Hg", Mater. Trans. High
Temperature Materials and Processes 16(1997) 49.
33. T. Spassov, V.
Petkov and U. Koster "Nanocrystallization, grain growth and phase
transformations in rapidly quenched Co33Zr67alloys",
Rapidly quenched and metastable materials Conference (RQ9, B ratislava,
August
(1996) Proceedings Elsevier, (1997) p. 225.
32. O. Stachs, Th.
Gerber and V. Petkov
, "Atomic ordering in xZrO2 .(1-x)SiO2 xerogels
(x=0.3,0.5) by X-ray diffraction and reverse Monte Carlo simulations",
J. Mat. Sci . 32 (1997) 4209.
31. O. Stachs, Th.
Gerber and V. Petkov, "Atomic-scale structure of ZrO2 xerogels
by X-ray diffraction and reverse Monte Carlo simulations", J. Non-Cryst. Sol.
210 (1997) 14.
-1996-
30. V. Petkov and G. Yunchov, "Atomic ordering in Bi4 Ge3O12
melt by reverse Monte Carlo simulations’ J. Phys.: Condens. Matter 8(1996)
6145.
29. V. Blaskov,V.
Petkov ,V. Rusanov, L. M. Martinez, B. Martinez, J. Munoz and M. Mikhov,
"Magnetic properties of nanophase CoFe2O4 particles",
J. Magn. Mag. Mater. 162 (1996) 331.
28.V. Petkov,
K. Yano and E. Kita, "Atomic-scale structure of Gd xFe 100-x
melt-quenched amorphous alloys by X-ray diffraction (x=22,36,56)", Phys.
Stat. Sol. A157 (1996) 365.
27.V.Petkov
and G.Yunchov, "Atomic ordering in liquid Se by unconstrained reverse
Monte Carlo simulations", J. Phys.: Condens. Matter.8
(1996) 1869.
26. D. Arsova, E.
Vateva, E. Skordeva and V. Petkov, "New features of the medium range
order in GexAs40-xSe60
glasses", Solid State Commun. 98 (1996) 595.
-1995-
25. V. Petkov and G. Yunchov, "Energy-dispersive X-ray diffraction and
reverse Monte Carlo study on liquid Hg", J. Non-Cryst. Sol. 192&193(1995)
636.
24. V. Petkov
, "Energy-dispersive X-ray diffraction analysis of disordered materials", J.
Non-Cryst. Sol. 192&193 (1995) 65.
23. V. Petkov, "Atomic arrangement in
liquid Si and Ge by structural diffusion model calculations", J. Phys.:
Condens. Matter. 7 (1995) 5745.
-1994-
22.V. Petkov
and G. Junchov, "Atomic-scale structure of liquid Sn, Ge and Si by reverse
Monte Carlo simulations", J. Phys.: Condens. Matter 6(1994)
10885.
21.V. Petkov ,
S. Takeda, Y. Waseda and K. Sugiyama, "Structural study of molten
germanium by Energy- dispersive X-ray diffraction", Journal of
Non-Crystalline Solids
, 168 (1994) 97.
20. V. Petkov
and A. Apostolov, "Short-range order in TbCu2 and DyCu2
metallic glasses",Journal of Non-Crystalline Solids, 167 (1994)
255.
-1993-
19. K. Sugiyama,
V. Petkov , S. Takeda and Y. Waseda, "Energy-dispersive X-ray diffraction
(EDXD) apparatus for liquids at high temperature", Sci. Reports Inst.
Tohoku
University, A 38 (1993) 1.
18.V. Petkov
and Y. Waseda, "PEDX: a program for radial distribution function analysis of
energy-dispersive X-ray diffraction data from disordered systems", J. Appl.
Cryst. 26 (1993), 295.
-1992-
17. V. Petkov
, A. Apostolov, G. Hilscher and H. Sassik, "Correlation between the degree of
structural disorder and the frustration of magnetic order in Gd 4 Mn3
metallic glass", J. Magn. Magn. Mater . , 109 (1992) 309.
-1991-
16. V. Petkov,
V. Skumrjev and A. Apostolov,"Correlation between the structure and the magnetic
properties in Gd4Me3 (Me=Al,Cu)", Mat. Sci.and Engn.
A 133 (1991) 252.
-1990-
15.V. Petkov ,
A. Apostolov and H. Sassik, "Short-range order in Gd4Cu 3
metallic glass", J. Non-Cryst. Sol. 122(1990) 262.
14.V. Petkov
and N. Bakaltchev, "FIT, a computer program for decomposition of powder
diffraction patterns and profile analysis of pair correlation functions", J.
Appl. Cryst.
23 (1990) 138.
-1989-
13.V. Petkov ,
"RAD, a program for analysis of X-ray diffraction data from amorphous materials
for personal computers",J. Appl. Cryst. 22 (1989) 387.
12.V. Petkov,
A. Apostolov and V. Skumryev, "Short-range order in RE4Al3
metallic glasses (RE=Pr,Gd,Tb,Dy)", J. Non-Cryst. Sol. 110 (1989)
184.
11. V. Petkov
, A. Apostolov, S. Neov, B. Sidjimov and I. Gerasimova, 'CRYSRDF, a computer
program for structural diffusion model calculations", Proceedings of the
Forth International Conference on X-ray diffraction methods, Nesebar,
Bulgaria, 1989, p.113-117.
10. V. Petkov
, A. Apostolov and V. Skumryev, "Radial distribution functions for RE 4Al3
metallic glasses (RE=Pr,Gd, Tb,Dy)", J. Non- Cryst. Sol. 108(1989)
75.
-1988-
9. K. Petrov, D. Kovatcheva and V. Petkov , "Cationic distribution of
Magnesium Cobalt Oxide Spinel Prepared by Thermal Decomposition of Mixed
Hydroxide Nitrate Crystals", Bulg. J. Phys.15(1988) 437.
8. V. Skumryev, H.
Gamari-Seale,D-X Chen, V. Petkov, K. Rao and A. Apostolov, "Amorphous Gd4Al3
- a new ferroglass alloy",J. Phys. (Paris) 49 (1988) C8-1363.
7. A. Apostolov and
V. Petkov , "Radial distribution functions for Gd4Al3
and Dy4Al3
metallic glasses", Zeitsch. fur. Kristall . 185 (1988) 546.
-1987-
6. V. Petkov ,
S. Kovachev, S. Savchenko, L. Bozukov, D. Kovacheva and S. Kovachev, "Automated
system for X-ray diffraction acquisition and reduction based on
APPLE II microcomputers", Proceedings of the Third International Conference
on X-ray diffractionmethods, Varna, Bulgaria, 1987, p. 38-41.
-1986-
5. K. Petrov, V.
Petkov and M. Mikhov, "Cationic distribution of Cux Co3-xO4
(0<x<1)", Mat. Chem and Phys . 15 (1986) 511.
4. L. Markov, K.
Petrov and V. Petkov, "On the thermal decomposition of some cobalt
hydroxide nitrates", Therm. Acta, 106 (1986) 283.
-1985-
3. K. Petrov, V.
Petkov and P. Rachev, "X-ray diffraction and electron microscopy studies on
the morphology of the CuCo2O4 spinel prepared by thermal
decomposition of copper(II)-Cobalt(II) hydroxonitrates", Mat. Chem. Phys
.13 (1985) 577.
2. V. Petkov ,
D. Kovacheva and K. Petrov, "Practical aspects of the modeling of X-ray
diffraction spectra from polycrystalline materials", Proceedings of the
Second International Conference on X-ray diffraction methods , Primorsko,
Bulgaria, 1985, p.90-99.
1. V. Petkov
and M. Mikhov, "Magnetic phase diagram of the MnAs spin system: a computer
simulation", J. Phys. C (Solid State Physics) 18 (1985) 3791.
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