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Copyright Disclaimer: Most of the publications that follow in pdf format are copyrighted
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to republication in any form. Copyright by EDP, AIP, ACS, Elsevier, and others,
1985-2009. For any other use please contact the organization that holds the
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i) Papers
I. Papers:
--2009--
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. Non-Cryst. Sol. (2009), submitted.
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. Rev B (2009), submitted.
114. S. L. Roux and V. Petkov,
“I.S.A.A.C.S. - Interactive Structure Analysis of Amorphous and Crystalline Systems”, J.
Appl. Crystallogr. (2009), accepted.
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 ?-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 .
.
.
.
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---
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 .
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 .
.
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 .
.
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 Pair Distribution 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. Torbrügge, 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 .
.
--2005--
91. V.
Petkov, M. Gateshki, J Choi, E.D. Gillian and Y. Ren, "
Structure of nanocrystalline GaN from X-ray diffraction,
Rietveld and atomic pair distribution function analyses", J. Mater.
Chem. 15 (2005),
4654 .
.
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.
2009 General Electric Global Research
(Schenectady, NY: seminar)
2009 Materials Research Congress (Cancun, Mexico: invited talk)
2009 North American Solid State Chemistry Conference (Ohio State Uni: invited talk)
2009 Solid State Ionics
Conference (Toronto, Canada: invited talk)
2009 Denver X-ray Conference (Colorado Springs: workshop organizer;
invited talk)
2009 MRS Spring Meeting (San Francisco: session chair, invited talk)
2009 University of Notre Dame (seminar)
2008
2008
2008
2008 X-ray Denver
Conference (
2008 Conference on nanostructure perovskites (
2008 Summer workshop
on materials for energy applications (MSU, invited talk)
2008 APS March
Meeting (
2007 Department of
Chemistry and Biochemistry, U. Texas,
2007 Workshop on
high-energy diffraction (
2007 Materials
Science and Technology Conference,
2007 NSTI Conference,
Santa Clara (talk)
2007 MANSE meeting,
Oakland University (talk)
2007 Spring MRS Meeting,
2007
2007
2006 Pittsburgh Diffraction Conference
(invited talk)
2006 Non-crystalline Materials Conference (NCM10, Prague, talk)
2006 Denver X-ray Conference (talk)
2006 South Carolina University Nanoscience Center (seminar)
2006 Advanced Photon Source Users Meeting (poster, Chicago)
2006 American Physical Society March Meeting (poster, Baltimore)
2005 Physics Department, Oakland University (seminar)
2005 IDS-4 Conference (talk, Central Michigan University)
2005 American Physical Society March Meeting (poster, Los Angeles)
2004 Workshop on structure of nanocrystals (talk, Arizona State University)
2004 Physics Department, Brookhaven
National Laboratory (seminar)
2004 Center for Nanoscale Materials, Argonne National Laboratory (invited talk)
2004 American Crystallographic Association Meeting, Chicago (poster
presentation)
2004 Nanotech 2004 Conference Venue, Boston (poster presentation)
2003 The American Ceramic Society (Glass and Optical Materials Division) Fall
meeting,
Corning, NY (invited talk)
2003 Denver X-ray Conference, Denver
(contributed talk)
2003 “Frontiers of powder diffraction”, NSLS (Brookhaven) User’s Meeting:
(invited talk)
2003 American Physical Society, March Meeting, Austin, TX (contributed talk)
2003 Wayne State University (seminar)
2002 Denver X-ray Conference (contributed talk)
2002 General Assembly (XIX) of the
International Union of Crystallography, Geneva, Switzerland:
Microsymposium: Amorphous materials and glasses; (Symposium Organizer and
Chair)
2002 Meeting of the American Crystallographic Association, San Antonio (Invited talk: nanocrystallinematerials)
2002 Western Kentucky University (seminar)
2002 Central Michigan University (seminar)
2001 Cornell High Energy Synchrotron Users' Meeting: (Invited talk)
2001 Stanford Synchrotron Radiation Laboratory Users' Meeting: (Invited talk)
2001 From Semiconductors to Proteins: Beyond the Average Structure, Conference held in Traverse City, Michigan, (Conference Organizer & invited talk)
2001 Workshop in high energy x-ray
scattering, Advanced Photon Source, Argonne National
Laboratory(invited talk)
2001 Spring Meeting of the Materials Research Society (San Francisco) (invited talk)
2001 California State University, San Jose (seminar)
2001 University of Texas, El Paso (seminar)
2001 University of Southern Illinois, Edwardsville (seminar)
2000 European Synchrotron Radiation Facility (Grenoble, France) (invited talk)
2000 Eight Conference on the Structure of Non-Crystalline Materials, Aberystwyth, England
2000 American Physical Society, March Meeting
11. V. Petkov, Simon J.L. Billinge, Sarvjit D. Shastri and Diandra Leslie-Pelecky, "Structure of GdAl2 nanomagnets by high energy x-ray diffraction" Advance Photon Source User Activity Report Argonne, (2001).
10. V. Petkov, S.J.L. Billinge, J. Dye and .T. Vogt “Local structure of silica zeolite ITQ-4 loaded with Cs" Brookhaven Laboratory User Activity Report , Brookhaven, (2001).
9. V. Petkov, S.J.L. Billinge, S, Shastri and S. Rios, “Local structure of radiation damaged ZrSiO4" Advanced Photon Source Laboratory User Activity Report, Argonne, (2000).
8. V. Petkov, S.J.L. Billinge, S, Shastri and E. Bychkov, “Local structure of xAs2S3.(1-x)Ag2S glasses" Advanced Photon Source Laboratory User Activity Report, Argonne, (2000).
7. S.J.L. Billinge, V. Petkov and Th. Proffen, "Structure on different length scales from powder diffraction: the real-space pair distribution function (PDF) technique", Commission on Powder Diffraction of the International Union of Crystallography Newsletter N: 24 , (2000).
6. V. Petkov, I-K. Jeong, M. Gutmann, P.F. Peterson, S.J.L. Billinge, S, Shastri and B. Himmel, “High resolution atomic pair distribution functions of Cax/2AlxSi1-xO2 glasses by high energy x-ray diffraction; Advanced Photon Source Laboratory User Activity Report, Argonne, (1999).
5. O. Stachs, V. Petkov and Th. Gerber, “Structural studies of rubidium germanate glasses”, HASYLab Synchrotron Laboratory Annual Reports, Hamburg, (1998) 750.
4. V. Petkov, O. Stachs and Th.Gerber, “WAXS study on xGa2O3(100-x).TeO2 glasses (x = 10,17.5,25), HASYLab Synchrotron Laboratory Annual Reports , Hamburg, (1998) 752.
3. O. Stachs, V. Petkov, B. Himmel, Th. Gerber, A. Bienenstock and S. Brenan, "Short-range structure of ZrO-SiO xerogels", Stanford Synchrotron Laboratory Annual Reports , Stanford (1996), 175.
2. O. Stachs, V. Petkov, Th. Gerber and D. Novikov, "Wide-angle X-ray scattering from Ca- Al-Silicate, GexAs40-xSe60 glasses (x=19,32) and Al-Si xerogels, HASYLab Synchrotron Laboratory Annual Reports, Hamburg, (1995) Part 2. p. 307.
1. S. Takeda, H. Ogawa, K. Omote and V. Petkov , "X-ray diffcation and EXAFS studies on high temperature melts", ERATO Symposia'92, Tokyo, Japan, Part 4. p. 35 .
1. V. Petkov and &. Bulgarian
Patent N 37898, May 11, 1984, "Method for preparation of monophase
crystals of transition
metal-cobalt hydrocsonitrates".