Publications
for 2000-2008

 

1.Vermette J., Jandl S., Gospodinov, M. M., Raman study of spin-phonon coupling in ErMnO₃, J. Phys. Condensed Matter vol. 20 (42) Art. Number: 425219 (2008).
2.Milenov, TI, Dimov, VI, Rafailov, PM, et al., Electron diffraction study of various lattice defects in a Bi₄Ge₃O₁₂ crystal, Appl. Phys. A- Materials Science & Processing vol. 92 (3) pp. 643-649 (2008).
3.Mihailova B., Angel R. J., Welsch A-M. et al., Pressure-induced phase transition in PbSc_0.5Ta_0.5O₃ as a model Pb-based perovksite-type relaxor ferroelectric, Phys. Rev. Lett. vol. 101 (1) pp. 017602 (2008).
4.Mihailova B., Maier B., Paulmann C. et al., High-temperature structural transforma-tions in the relaxor ferroelectrics PbSc_0.5Ta_0.5O₃ and Pb_0.78Ba_0.22Sc_0.5Ta_0.5O₃, Phys. Rev. B vol. 77 (17) Art. Number: 174106 (2008).
5.Fontcuberta J., Gospodinov M., Skumryev V., Magnetic response of YbMnO₃ single crystal, J. Appl. Phys. vol. 103 (7) Art. Number: 07B722 (2008).
6.dela Cruz, CR; Lorenz, B; Ratcliff, W, et al., The pressure effect on the magnetic commensurability and ferroelectricity in multiferroic HoMn₂O₅, Physica B-Condensed Matter vol. 403 (5-9) pp. 1359-1361 (2008).
7.Kovacs L., Capelletti R., Gospodinov M., Vibrational  frequencies  of the impurity-centred oxygen tetrahedra in sillenites, VIBRATIONAL SPECTROSCOPY vol. 46 (1) pp. 69-75 (2008).
8.Peter M. Rafailov, Christian Thomsen, Milko Monev, Urszula Dettlaff-Weglikowska and Siegmar Roth, Electrochemical functionalization of SWNT bundles in acid and salt media as observed by Raman and X-ray photoelectron spectroscopy, Phys. Stat. Solidi (b) vol. 245, pp.1967 (2008).
9.Peter M. Rafailov, Christian Thomsen, Urszula Dettlaff-Weglikowska and Siegmar Roth, High Levels of Electrochemical Doping of Carbon Nanotubes: Evidence for a Transition from Double-Layer Charging to Intercalation and Functionalization, J. Phys. Chem. B vol. 112, pp.5368 (2008).
10.Zlatinka I. Dimitrova, On the nonlinear dynamics of interacting population: Effects of delay of populations substitution, Comptes rendus de l’Academie Bulgare des Sciences vol.61(12), pp.1541-1548 (2008).
11.N.K.Vitanov, K.Sakai and Z.Dimitrova, SSA, PCA, TDPSC, ACFA: Useful combination of methods for analysis of short and nonstationary time series, Chaos, Solitons & Fractals , vol. 37, pp.187-202 (2008).
12.T.I. Milenov, V.I. Dimov, P.M. Rafailov and M.M. Gospodinov, Electron Diffraction Study of Various Lattice Deffects in a Bi₄Ge₃O₁₂ Crystal, Appl. Phys. A vol.92, pp. 643-649 (2008).
13.dela Cruz C.R., Lorenz B., Sun Y.Y. et al., Pressure-induced enhancement of ferro-electricity in multiferroic RMn₂O₅ (R=Tb,Dy,Ho), Phys. Rev. B vol. 76 (17) Art. Number: 174106 (2007).
14.Bismayer U., Mihailova B., Paulmann C. et al., Doping-induced structural phenomena in Pb-based relaxors, GEOCHIMICA ET COSMOCHIMICA ACTA vol. 71 (15) pp. A94-A94 (2007).
15.Skorikov V.M., Milenov T.I., Egorysheva A.V. et al., An optical excitation study of Ru-, Rh-, Re- and Os-doped Bi₁₂SiO₂₀ crystals, Phys. Stat. Solidi B-BASIC SOLID STATE PHYSICS   vol. 244 pp. 3292-3296 (2007).
16.Yen F., dela Cruz C., Lorenz B. et al., Magnetic phase diagrams of multiferroic hexagonal RMnO₃ (R = Er, Yb, Tm, and Ho), J. Mater. Res. vol. 22 pp. 2163-2173   (2007).
17.Mihailova B., Gospodinov M., Guttler B.G. et al., Ferroic clustering and phonon anomalies in Pb-based perovskite-type relaxors, J. Phys.- Condensed Matter vol. 19 (27) Article Number: 275205  (2007).
18.Mihailova B., Gospodinov M., Guttler B. et al., Ferroic nanoclusters in relaxors: the effect of oxygen vacancies, J. Phys. Condensed Matter vol. 19 (24) Art. Number: 246220 (2007).
19.dela Cruz C.R., Lorenz B., Gospodinov M.M. et al., Restoration of ferroelectricity by pressure in multiferroic HoMn₂O₅, J. Magnetism and Magnetic Materials vol. 310 (2) pp. 1185-1186 (2007).
20. Milenov T.I., Rafailov P.M., Petrova R. et al., X-ray diffraction study of a Bi₄Ge₃O₁₂ crystal, Mater. Sci. and Eng. B vol. 138 (1) pp. 35-40 (2007).
21.Milenov T.I., Dimov V.I., Gospodinov M.M., TEM observation of two-dimensional defects in CdTe crystals, J. Optoelectronics and Advanced Materials vol. 9 (2) pp. 289-292 (2007).
22.Milenov T.I., Rafailov P.M., Egorysheva A.V. et al., XRD and Raman spectroscopic study of Ru and Os doped Bi₁₂SiO₂₀ crystals, J. Optoelectronics and Advanced Materials, vol. 9 (2) pp. 293-295 (2007).
23.Iliev M.N., Hadjiev V.G., Litvinchuk A.P. et al., Multiple-order Raman scattering from rare-earth manganites: Oxygen isotope and rare-earth substitution effects, Phys. Rev. B vol. 75 (6)  Art. Number: 064303 (2007).
24.Mihailova B., Bastjan M., Schulz B. et al., Resonance Raman scattering of relaxors PbSc_0.5Ta₀.₅O₃ and PbSc_0.5Nb_0.5O₃, Appl. Phys. Lett. Vol. 90 (4) Art. Number: 042907 (2007).
25.Amova-Kostova, M. Veleva, V. Marinova, Growth of ferroelectric Pb₂ScTaO₆ single crystals in oxygen and hydrogen atmosphere and investigation of their dielectric properties, J. Optoelectronics and Advanced Materials vol.9 (71) pp. 268-270 (2007)
26.P. Petkova, V. Marinova, M. Veleva, T. Dimov, I. Iliev, Optical and magneto-optical properties of Bi₄Ge₃O₁₂ doped with aluminium and manganese, J. Optoelectronics and Advanced Materials vol.9 (2) (71) pp.278-281 (2007).
27.Zlatinka I. Dimitrova, Fluctuations and dynamics of the chaotic attractor connected to an instability in a heated from below rotating fluid layer, Comptes rendus de l’Academie Bulgare des Sciences vol.60(10) pp. 1065-1070 (2007).
28.Antunes A.B., Gospodinov M., Baibich M.N., Electronic transport on doped La_0,6D_0,4MnO₃ ceramic manganites, Physica B-Condensed Matter vol. 384 (1-2)  pp. 47-50 (2006).
29.Marinova V., Mihailova B., Malcherek T. et al., Structural, optical and dielectric properties of relaxor-ferroelectric Pb_(0.78)Ba_(0.22)Sc_(0.5)Ta_(0.5)O₃, J. Phys.-Condensed Matter vol. 18 (31) pp. L385-L393 (2006).
30.dela Cruz C.R., Yen F., Lorenz B. et al., Evidence for strong spin-lattice coupling in multiferroic RMn₂O₅ (R=Tb,Dy,Ho) via thermal expansion anomalies, J. Appl. Phys. vol. 99 (8) Art. Number: 08R103 (2006).
31.dela Cruz C.R., Yen F., Lorenz B. et al., Structural anomalies at the magnetic and ferroelectric transitions in RMn₂O₅ (R=Tb,Dy,Ho), Phys. Rev. B vol. 73 Art. Number: 100406 (2006).
32.Iliev M.N., Abrashev M.V., Laverdiere J. et al., Distortion-dependent Raman spectra and mode mixing in RMnO₃ perovskites (R=La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Y), Phys. Rev. B vol. 73 Art. Number: 064302 (2006).
33.P. M. Rafailov, T. I. Milenov, M. N. Veleva, C. Thomsen and M. M. Gospodinov, Raman Spectroscopic Study of Ru, (Ru+Mn), Fe and (Al+Mn) Doped Bi₄Ge₃O₁₂ Crystals, Comptes rendus de l’Academie Bulgare des Sciences vol. 59, pp.255-260 (2006).
34.Zlatinka I. Dimitrova, On a second kind of functional response model of interacting populations, Comptes rendus de l’Academie Bulgare des Sciences vol.59(5) pp.493 (2006).
35.Nikolay K. Vitanov, Zlatinka I. Dimitrova and H. Kantz , On the trap of extinction and its elimination, Phys. Lett. A vol.349 pp.350 (2006).
36.P. M. Rafailov, C. Thomsen, K. Gartsman, I. Kaplan-Ashiri and R. Tenne, Orientational dependence of the polarizability of an individual WS₂ nanoube by resonant Raman spectroscopy, Phys. Rev. B vol.72 pp.205436 (2005).
37.K. Gartsman, I. Kaplan-Ashiri, R. Tenne, P. M. Rafailov and C. Thomsen, Micro-Raman Investigation of  WS₂ Nanotubes, in Electronic Properties of Novel Nanostructures, eds. H. Kuzmany, J. Fink, M. Mehring and S. Roth (2005) AIP, New York, pp. 349.
38.P. M. Rafailov, J. Maultzsch, C. Thomsen and H. Kataura,  Electrochemical switching of the Peierls-like transition in metallic single-walled carbon nanotubes, Phys. Rev. B vol. 72 pp. 045411 (2005).
39.P. M. Rafailov and C. Thomsen, Raman Spectroscopy on electrochemically doped carbon nanotubes, J. Optoelectronics and Advanced Materials vol.7 461 (2005).
40.Skorikov V.M., Kargin Y.F., Egorysheva A.V. et al., Growth of sillenite-structure single crystals, INORGANIC MATERIALS vol. 41 pp. S24-S46 (2005).
41.Kovacs L., Peter A., Gospodinov M. et al., Hydroxyl ions in acousto-optic Pb-5(GeO₄)(VO₄)(2) and Bi-2(MoO₄)(3) single crystals, Phys. Stat. Solidi C - Conferences and Critical Reviews, vol. 2 (1) pp. 689-692  (2005).
42.Mihailova B., Bismayer U., Guttler B. et al., Nanoscale phase transformations in relaxor-ferroelectric lead scandium tantalate and lead scandium niobate, ZEITSCHRIFT FUR KRISTALLOGRAPHIE vol. 220 Pages: 740-747 (2005).
43.Ramaz F., Rakitina L., Gospodinov M. et al., Photorefractive and photochromic properties of ruthenium-doped Bi₁₂SiO₂₀, OPTICAL MATERIALS, vol. 27 (10) pp. 1547-1559 (2005).
44.Gospodinov M.M., Petrova D., Yanchev I.Y. et al., Growth of single crystals of Hg(Br_xI_1-x)(2) and their detection capability, J. Alloys and Compounds vol. 400 (1-2) pp. 249-251  (2005).
45.Mihailova B., Gospodinov M.M., Guttler B. et al., Temperature-dependent Raman spectra of HoMn₂O₅ and TbMn₂O₅, Phys. Rev. B  vol. 71 (17) Art. Number: 172301 (2005).
46.Yen F., dela Cruz C.R., Lorenz B. et al., Low-temperature dielectric anomalies in HoMnO₃: The complex phase diagram, Phys. Rev. B vol. 71 Art. Number: 180407 (2005).
47.Milenov T.I., Veleva M.N., Petrova D.P. et al., Electrical conductivity of Bi₁₂SiO₂₀ single crystals doped with Os, Re, Ru, and Rh, INORGANIC MATERIALS vol. 41 (2)  pp. 152-155 (2005).
48.Doshkova D., Kaisheva D., Mihailova B. et al., Crystal growth, structure and dielectric properties of ferroelectric mixed Pb₂ScTa_xNb_1-xO₆ single crystals, J. Optoelectronics and Advnced Materials vol. 7 (1) pp. 447-450 (2005).
49.Kaisheva D., Doshkova D., Mihailova B. et al., Dielectric behavior of Sn doped and annealed ferroelectric lead scandium tantalate single crystals, J. Optoelectronics and Advanced Materials vol. 7 (1) pp. 443-446 (2005).
50.Petkova P., Marinova V., Dimov T. et al., Magneto-optical effect in Bi₄Ge₃O₁₂ single crystals doped with vanadium, J. Optoelectronics and Advanced Materials vol. 7 (1) pp. 439-442  (2005).
51.Rafailov P.M., Milenov T.I., Veleva M.N. et al., A Raman spectroscopic study of defects in Bi₄Ge₃O₁₂ crystals, J. Optoelectronics and Advanced Materials vol. 7 (1)  pp. 473-476 (2005).
52.Sarov Y., Marinova V., Gospodinov M. et al., Optical investigation of a Pb₂ScTaO₆ crystal with a room temperature phase transition, J. Optoelectronics and Advanced Materials vol. 7 (1) pp. 537-540 (2005).
53.dela Cruz C., Yen F., Lorenz B. et al., Strong spin-lattice coupling in multiferroic HoMnO₃: Thermal expansion anomalies and pressure effect, Phys. Rev. B vol. 71 (6) Art. Number: 060407 (2005).
54.Lorenz B., Yen F., Gospodinov M.M. et al., Field-induced phases in HoMnO₃ at low temperatures, Phys. Rev. B vol. 71 (1) Art. Number: 014438 (2005).
55.P. M. Rafailov, C. Thomsen, A. Bassil, K. Komatsu, and W. Bacsa, Inelastic light scattering of hydrogen containing open-cage fullerene ATOCF, Physica Status Solidi (b) vol. 242, R106-R108 (2005).
56.T.I. Milenov, First and Higher Order Twinning in Crystals with Diamond and Sphalerite Type Structure, Comptes Rendus l’Acad. Bulg. Sci., vol. 58, pp.1251 (2005).
57.Zlatinka I.Dimitrova and Nikolay K.Vitanov, Shilnikov chaos in a generalized system for modellinig dynamics of competing populations, Comptes Rendus l’Acad. Bulg. Sci., vol.58(3) pp.257 (2005).
58.Zlatinka Dimitrova and Daniela Gogova, On the structure, stress and optical properties of CVD Tungsten oxide films, Mater.Res.Bulletin vol.40, pp.333 (2005).
59.Lorenz B., Litvinchuk A.P., Gospodinov M.M. et al., Field-induced reentrant novel phase and a ferroelectric-magnetic order coupling in HoMnO₃, Phys. Rev. Lett. vol. 92 (8) Art. Number: 087204  (2004).
60.Litvinchuk A.P., Iliev M.N., Popov V.N. et al., Raman and infrared-active phonons in hexagonal HoMnO₃ single crystals: magnetic ordering effects, Phys. Rev. Lett.  vol. 92 (8) Art. Number: 087204  (2004).
61.Milenov T.I., Botev P.A., Rafailov P.M. et al., X-ray diffraction topography observations of the core in Bi₁₂SiO₂₀ crystals doped with Mn, Materials Science and Engineering B vol. 106 (2) pp. 148-154 (2004).
62.P. M. Rafailov, M. Stoll, and C. Thomsen, Strain Determination in Electrochemically Doped Single-walled Carbon Nanotubes via Raman Spectroscopy, Journal of Physical Chemistry B vol. 108, 19241 (2004). 
63.P. M. Rafailov, M. Stoll, J. Maultzsch, C. Thomsen, “A Resonant Raman Study of SWNTs under Electrochemical Doping”, in Electronic Properties of Synthetic  Nanostructures, eds. H. Kuzmany, J. Fink, M. Mehring and S. Roth (2004) AIP, New York, p. 153. 
64.Zlatinka I.Dimitrova and Nikolay K.Vitanov, Chaotic pairwise competition, Theor.Popul.Biol. vol.66, pp.1 (2004).
65.P. M. Rafailov, H. Kataura and C. Thomsen, Resonance and High-pressure Raman Studies on Carbon Peapods, Physical Review B vol. 68, pp.193411 (2003).
66.M. Stoll, P. M. Rafailov, W. Frenzel and C. Thomsen, Electrochemical and Raman Measurements on Single-Walled Carbon Nanotubes, Chemical physics Letters vol. 375, pp.625 (2003).
67.Gospodinov M. M., Marinova V., Polychroniadis E., Papadopoulos D., Kampas K., Anagnostopoulos A. N., Kyritsi K., Growth and characterization of (SnS₂)_x(SnSe₂)_1-x (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.54, 0.63, 0.87, 0.9, 1) mixed crystals, Materials Research Bulletin vol. 38 (1) pp.177-184, (2003).
68.Kolev N., Iliev M. N., Popov V. N., Gospodinov M., Temperature-dependent polarized Raman spectra of CaFe₂O₄, Solid State Communications vol. 128 (4)  pp.153-155, (2003).
69.Kalaydjiev K., Gospodinov M., Dobreva S. V., Kirov M., Baychev M., Popov Chr., Bushev M., Growth of Pr_0.7Sr_0.28Pb_0.02MnO₃ single crystals and determination of the phase transition temperature, J. Materials Science: Materials in Electronics 14 (10/11/12) pp.763-764, (2003).
70.Dimitrov D., Lovchinov V., Gospodinov M., Dobreva S., Vassilev L, Hall-effect studies of Pr_0.7Sr_0.3MnO₃, J. Materials Science: Materials in Electronics 14 (10/11/12) pp.765-766, (2003).
71.Marinova V., Lin S. H., Hsu K.Y., Hsieh Mei-Li, Gospodinov M.M., Sainov V., Optical and holographic properties of Bi₄Ge₃O₁₂ crystals doped with ruthenium, J. Materials Science: Materials in Electronics 14(10/11/12) pp.857-858, (2003).
72.Marinova Vera, Lin Shiuan-Huei, Gospodinov Marin, Hsu Ken Y., Light-induced properties of doped Bi₄Ge₃O₁₂ single crystals, Proceedings of SPIE-The International Society for Optical Engineering (2003), 5206 (Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IX) 7-13.
73.Guttler B., Mihailova B., Stosch R., Bismayer U., Gospodinov M., Local phenomena in relaxor-ferroelectric PbSc_0.5B''_0.5O₃ (B''=Nb, Ta) studied by Raman spectroscopy, Journal of Molecular Structure vol. (661-662) pp.469-479, (2003).
74.Marinova V., Lin S. H., Sainov V., Gospodinov M., Hsu K.Y., Light-induced properties of Ru-doped Bi₁₂TiO₂₀ crystals, Journal of Optics A: Pure and Applied Optics vol. 5(6) S500, (2003).
75.V. Marinova, M. Veleva, D. Petrova, The influence of annealing at different temperatures and atmospheres on the optical rotation of Bi₁₂SiO₂₀ crystals, Optical Materials vol. 24 3 pp. 595-600, (2003).
76.Kalaydjiev K., Gospodinov M., Baychev M., Kirov M., Popov Chr., Electrical resistance of Pr_0.7(Sr_0.28Pb_0.02)MnO₃ single crystals in ferromagnetic and paramagnetic state, Zhurnal Fizichnikh Doslidzhen vol. 7(1) 98-100, (2003).
77.J. Maultzsch, P. M. Rafailov, M. Machon, S. Reich and C. Thomsen, Polarized Raman Measurements in Zeolite-Grown Single-Walled Carbon Nanotubes, Proceedings of the XVIII-th International Conference on Raman Spectroscopy, eds. J. Mink, G. Jalsouszky and G. Keresztury, Wiley, Chichester, 2002, p. 475.
78.M. Machon, S. Reich, J. Maultzsch, P. M. Rafailov, C. Thomsen, D. Sanchez-Portal and P. Ordejon, Optical Properties of 4Å - diameter Single-Wall Nanotubes in AlPO4-5 crystal channels, in Molecular Nanostructures, eds. H. Kuzmany, M. Mehring, S. Roth and J. Fink, AIP 2002, p.275.
79.P. M. Rafailov, J. Maultzsch, M. Machon, S. Reich, C. Thomsen, Z. K. Tang, Z. M. Li, and I. L. Li, Pressure and polarization-angle dependent Raman spectra of aligned single-wall carbon nanotubes in AlPO4-5 crystal channels, in Molecular Nanostructures, eds. H. Kuzmany, M. Mehring, S. Roth and J. Fink, AIP 2002, p.290.
80.P. M. Rafailov, M. Dworzak and C. Thomsen, Luminescence and Raman Spectroscopy on MgB₂, Solid State Communications vol. 122 pp.455 (2002).
81.T.I. Milenov, P.M. Rafailov, P.A. Botev and M.M.Gospodinov, X-ray diffraction topography investigation of the core in Bi₁₂SiO₂₀ crystals, Materials Research  Bulletin vol. 37 (9) pp.1651 (2002).
82.Kolev N., Chen C. L., Gospodinov M., Bontchev R. P., Popov V. N., Litvinchuk A. P., Abrashev M. V., Hadjiev V. G., Iliev M. N., Raman spectroscopy of CaRuO₃. Phys. Rev. B: Condensed Matter and Materials Physics vol. 66 (1) 014101/1-014101/4 (2002).
83.Bradaric I. M., Felner I., Gospodinov M., Metal-to-insulator transition and magnetic ordering in CaRu1-xCuxO3, Phys. Rev. B: Condensed Matter and Materials Physics vol. 65 (2) 024421/1-024421/6 (2002).
84.M. Veleva, T. Milenov, D. Petrova, L. Yankova, M. Gospodinov, Dielectric Behaviour of Doped Bi₁₂SiO₂₀ Single Crystal, Comptes Rendus l’Acad. Bulg. Sci. vol. 55, pp. 17-22, (2002).
85.V. Marinova, M. Veleva, Refractive index and transmission spectra of monoclinoc Bi₁₂(MoO₄)₃ single crystals, Optical Materials, vol. 19 (3) pp. 329-333, (2002).
86.Mihailova B., Bismayer U., Guttler B., Gospodinov M., Konstantinov L., Local structure and dynamics in relaxor-ferroelectric PbSc_1/2Nb_1/2O₃ and PbSc_1/2Ta_1/2O₃ single crystals, Journal of Physics: Condensed Matter vol. 14 (5) pp.1091-1105 (2002).
87.Bradaric I. M., Felner I., Gospodinov M., Metal-insulator transition and magnetic ordering in CaRu_1-xCu_xO₃, Los Alamos National Laboratory, Preprint Archive, Condensed Matter 1-12, arXiv:cond-mat/0107170 (2001).
88.Ghivelder L., Freitas R. S., Rapp R. E., Chaves F. A. B., Gospodinov M., Gusmao M. A., Low-temperature specific heat of La_0.78Pb_0.22MnO₃- manganite, Journal of Magnetism and Magnetic Materials vol. 226-230 (Pt. 1) pp.845-846 (2001).
89.P. M. Rafailov, S. Bahrs and C. Thomsen, The Raman Spectra of MgB₂ and its Potential Impurity Phases, Physica Status Solidi vol. 226, R9 (2001).
90.T.I. Milenov and M.M. Gospodinov, Deformational Twinning in CdTe Crystals Grown by the Bridgman Method, Materials Science and Engineering B84 pp.189 (2001).
91.T.Milenov, V.Dimov, N. Khaltakova and M. Gospodinov, HRTEM Observation of Microcrystals in CdTe Melt Grown Crystal, Comptes Rendus l’Acad. Bulg. Sci. vol. 54 pp. 41 (2001).
92.Chu C. W., Xu Y. Y., Lorenz B., Heilman A. K., Gospodinov M., Dobreva S. G., Field-induced crossover and colossal magnetoresistance in La_0.7Pb_0.3MnO₃, NATO Science Series, II: Mathematics, Physics and Chemistry 39 (Vibronic Interactions: Jahn-Teller Effect in Crystals and Molecules) pp.47-56 (2001).
93.V. Marinova, M. Veleva, D. Petrova, I. M. Kourmoulis, D. G. Papazoglou, A. G. Apostolidis, E. D. Vanidhis, and N. C. Deliolanis, Optical properties of Bi₁₂SiO₂₀ single crystals, doped with 4d and 5d transition elements, Journal of Applied Physics vol. 89 (5) pp. 2686-2689 (2001).
94.Zlatinka I. Dimitrova and Nikolay K. Vitanov, Adaptation and its impact on the dynamics of three competing populations, Physica A vol.300, pp. 91 (2001).
95.Zlatinka I. Dimitrova and Nikolay K. Vitanov, Dynamical consequences of adaptation of the growth rates in a system of three competing populations, J. Phys. A: Math. Gen. vol. 34, pp. 7459 (2001).
96.P. M. Rafailov, T. I. Milenov and M. M. Gospodinov, A Raman study of some aspects of defects in Bi₁₂SiO₂₀ crystals, Proceedings of the XI-th International Condensed Matter Physics School, Varna (2000) Bulgaria, pp. 496.
97.P. M. Rafailov, V. G. Hadjiev and C. Thomsen: Low temperature phase transition in n-pentane C₆₀ clathrate: A Raman scattering study, Chemical Physics Letters vol. 326, pp.58  (2000).
98.P. M. Rafailov, H. Jantoljak and C. Thomsen: Electronic Transitions in Single- Walled Carbon Nanotubes: A Resonance Raman Study, Physical Review B vol. 61, pp.16179 (2000).
99.C. Thomsen, P. M. Rafailov, S. Reich and H. Jantoljak: Resonant Raman scattering  in carbon nanotubes, Physica Status Solidi (b) 220, pp.561 (2000).
100.T.I. Milenov, V.I. Dimov, N.G. Khaltakova and M.M. Gospodinov, HRTEM Observations of S=3 and S=9 Tilt about <011> Axis Grain Boundaries in Bulk CdTe Crystal, Crystal Research and Technology vol. 35, pp.1331 (2000).
101.Veleva M., Gospodinov M.M., Daviti M., Anagnostopoulos A. N., Paraskevopoulos K., Polychroniadis E. K., Yanchev, I. Y., Dielectric behavior of mixed HgBr_xI_2-x single crystals, Journal of Materials Science Letters vol. 19 (12) pp.1019-1020 (2000).
102.V. Tassev, M. Gospodinov, M. Veleva, Faraday effect of BSO and BTO crystals doped with Cr, Mn and Cu, Crystal Research and Technology vol. 35 (2) pp.213-220 (2000).
103.Xue Y. Y., Lorenz B., Heilman A. K., Gospodinov M., Dobreva S. G., Chu C. W., Field-induced crossover and colossal magnetoresistance in La_0.7Pb_0.3MnO₃, Los Alamos National Laboratory, Preprint Archive, Condensed Matter 1-4, arXiv:cond-mat/0002468 (2000).
104.Gospodinov M., Yanchev I. Y., Petrova D., Veleva M., AC conductivity of doped Bi₁₂SiO₂₀ crystals, Materials Science & Engineering B vol. 77 (1) pp.88-92 (2000).
105.Felner I., Nowik I., Bradaric I., Gospodinov M., CaRuO₃ is not a paramagnetic material, Phys. Rev. B: Condensed Matter and Materials Physics vol. 62 (17) pp.11332-11335 (2000).
106.Bontchev R. P., Jacobson A. J., Gospodinov M. M., Skumryev V., Popov V. N., Lorenz B., Meng R. L., Litvinchuk A. P., Iliev M. N., Crystal structure, electric and magnetic properties, and Raman spectroscopy of Gd₃RuO₇, Phys. Rev. B: Condensed Matter and Materials Physics vol. 62 (18) pp.12235-12240 (2000).
107.Heilman A. K., Xue Y. Y., Lorenz B., Gospodinov M., Dobreva S. G., Chu C. W., Field-induced crossover in La_0.7Pb_0.3MnO₃, Physica C: Superconductivity and Its Applications (Amsterdam) (2000) pp.341-348 (Pt. 2, Materials and Mechanisms of Superconductivity: High Temperature Superconductors VI, Part 2, pp.707-710) (2000).
108.Gospodinov M. M., Marinova V., Yanchev I., Anagnostopoulos A. N., Kyrits, K., The SnS₂-SnSe₂ system: growth and morphology, Bulgarian Journal of Physics vol. 27 (Suppl. 1) pp.169-172 (2000).
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