Comparative study of optical phonons in the rhombohedrally distorted perovskites LaAlO 3 and LaMnO 3 MV Abrashev, AP Litvinchuk, MN Iliev, RL Meng, VN Popov, VG Ivanov, ...
Physical Review B 59 (6), 4146, 1999
379 1999 Spin-phonon coupling in orthorhombic J Laverdière, S Jandl, AA Mukhin, VY Ivanov, VG Ivanov, MN Iliev
Physical Review B—Condensed Matter and Materials Physics 73 (21), 214301, 2006
258 2006 Short-range VG Ivanov, MV Abrashev, MN Iliev, MM Gospodinov, J Meen, MI Aroyo
Physical Review B—Condensed Matter and Materials Physics 82 (2), 024104, 2010
184 2010 Raman spectroscopy of SrRuO 3 near the paramagnetic-to-ferromagnetic phase transition MN Iliev, AP Litvinchuk, HG Lee, CL Chen, ML Dezaneti, CW Chu, ...
Physical Review B 59 (1), 364, 1999
92 1999 Micro-Raman study of isotope substitution in YBa 2 Cu 3 18 O 6.2 during local laser annealing VG Ivanov, MN Iliev, C Thomsen
Physical Review B 52 (18), 13652, 1995
80 * 1995 Comparative Raman study of isostructural YCrO ND Todorov, MV Abrashev, VG Ivanov, GG Tsutsumanova, V Marinova, ...
Physical Review B—Condensed Matter and Materials Physics 83 (22), 224303, 2011
71 2011 Raman Study of the Variations of the Jahn‐Teller Distortions through the Metal–Insulator Transition in Magnetoresistive La0.7 Ca0.3 MnO3 Thin Films MV Abrashev, VG Avanov, MN Iliev, RA Chakalov, RI Chakalova, ...
physica status solidi (b) 215 (1), 631-636, 1999
55 1999 Reflectivity modification of polymethylmethacrylate by silicon ion implantation GB Hadjichristov, V Ivanov, E Faulques
Applied surface science 254 (15), 4820-4827, 2008
54 2008 Raman Spectroscopy of Local Structure and Reordering Processes in YBa2Cu3O7‐δ‐Type Compounds MN Iliev, VG Hadjiev, VG Ivanov
Journal of Raman spectroscopy 27 (3‐4), 333-342, 1996
47 1996 Raman spectroscopy of optical transitions and vibrational energies of∼ 1 nm HgTe extreme nanowires within single walled carbon nanotubes JH Spencer, JM Nesbitt, H Trewhitt, RJ Kashtiban, G Bell, VG Ivanov, ...
ACS nano 8 (9), 9044-9052, 2014
44 2014 Frequency dependence of the quasi-soft Raman-active modes in rotationally distorted R3+ B3+ O3 perovskites (R3+—rare earth, B3+= Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Ga) ND Todorov, MV Abrashev, VG Ivanov
Journal of Physics: Condensed Matter 24 (17), 175404, 2012
39 2012 Silicon ion implanted PMMA for soft electronics GB Hadjichristov, VK Gueorguiev, TE Ivanov, YG Marinov, VG Ivanov, ...
Organic electronics 9 (6), 1051-1060, 2008
39 2008 Lattice dynamics of the MN Iliev, VG Ivanov, ND Todorov, V Marinova, MV Abrashev, R Petrova, ...
Physical Review B—Condensed Matter and Materials Physics 83 (17), 174111, 2011
35 2011 Transient photoluminescence of para -hexaphenyl layers E Faulques, J Wéry, S Lefrant, VG Ivanov, G Jonusauskas
Physical Review B 65 (21), 212202, 2002
28 2002 Optical reflectivity study of silicon ion implanted poly (methyl methacrylate) GB Hadjichristov, IL Stefanov, BI Florian, GD Blaskova, VG Ivanov, ...
Applied surface science 256 (3), 779-786, 2009
27 2009 Direct determination of Debye temperature and electron-phonon interaction in 1 T− VSe 2 GV Kamarchuk, AV Khotkevich, VM Bagatsky, VG Ivanov, P Molinié, ...
Physical Review B 63 (7), 073107, 2001
27 2001 Raman monitoring of the dynamical Jahn-Teller distortions in rhombohedral antiferromagnetic LaMnO3 and ferromagnetic magnetoresistive La0. 98Mn0. 96O3 MN Iliev, AP Litvinchuk, MV Abrashev, VG Ivanov, HG Lee, WH McCarroll, ...
Physica C: Superconductivity 341, 2257-2258, 2000
27 2000 Raman spectroscopy of alpha-FeOOH (goethite) near antiferromagnetic to paramagnetic phase transition MV Abrashev, VG Ivanov, BS Stefanov, ND Todorov, J Rosell, ...
Journal of Applied Physics 127 (20), 2020
24 2020 Orientation of sp2 carbon nanoclusters in ion‐implanted polymethylmethacrylate as revealed by polarized Raman spectroscopy VG Ivanov, GB Hadjichristov
Journal of Raman Spectroscopy 42 (6), 1340-1343, 2011
20 2011 Ferromagnetic spinel VG Ivanov, MN Iliev, YHA Wang, A Gupta
Physical Review B—Condensed Matter and Materials Physics 81 (22), 224302, 2010
19 2010 