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
371 1999 Spin-phonon coupling in orthorhombic : A Raman study J Laverdière, S Jandl, AA Mukhin, VY Ivanov, VG Ivanov, MN Iliev
Physical Review B 73 (21), 214301, 2006
248 2006 Short-range B-site ordering in the inverse spinel ferrite NiFe 2 O 4 VG Ivanov, MV Abrashev, MN Iliev, MM Gospodinov, J Meen, MI Aroyo
Physical Review B 82 (2), 024104, 2010
169 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
93 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
76 * 1995 Comparative Raman study of isostructural YCrO 3 and YMnO 3: Effects of structural distortions and twinning ND Todorov, MV Abrashev, VG Ivanov, GG Tsutsumanova, V Marinova, ...
Physical Review B 83 (22), 224303, 2011
67 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
56 1999 Reflectivity modification of polymethylmethacrylate by silicon ion implantation GB Hadjichristov, V Ivanov, E Faulques
Applied surface science 254 (15), 4820-4827, 2008
53 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
48 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
42 2014 Silicon ion implanted PMMA for soft electronics GB Hadjichristov, VK Gueorguiev, TE Ivanov, YG Marinov, VG Ivanov, ...
Organic electronics 9 (6), 1051-1060, 2008
38 2008 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
37 2012 Lattice dynamics of the α and β phases of LiFe 5 O 8 MN Iliev, VG Ivanov, ND Todorov, V Marinova, MV Abrashev, R Petrova, ...
Physical Review B 83 (17), 174111, 2011
32 2011 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 Transient photoluminescence of para -hexaphenyl layers E Faulques, J Wéry, S Lefrant, VG Ivanov, G Jonusauskas
Physical Review B 65 (21), 212202, 2002
27 2002 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
26 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
20 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 Phonon self-energy effects in κ−(BEDT− TTF) 2 Cu [N (CN) 2] Br E Faulques, VG Ivanov, C Mézière, P Batail
Physical Review B 62 (14), R9291, 2000
19 2000