Neno TODOROV
5 James BOURCHIER blvd. – 1164 Sofia – Bulgaria
neno@phys.uni-sofia.bg
EDUCATION
University of Nantes/University of Sofia Nantes, France/Sofia, Bulgaria
Joint PhD 2010 – 2014
Institute of Materials, University of Nantes Nantes, France
Materials Science 2012 – 2014
supervisor: DR Eric FAULQUES
Faculty of Physics, University of Sofia Sofia, Bulgaria
Electrical, Magnetic and Optical Properties of Condensed Matter 2010 – 2013
supervisor: Prof. DSc Miroslav ABRASHEV
dissertation: Phonons in complex oxides
Фонони в оксиди със сложна кристална структура
Фонони в оксиди със сложна кристална структура – Автореферат
Faculty of Physics, University of Sofia Sofia, Bulgaria
MS in Engineering Physics 2008 – 2009
qualification: Master of Microelectronics and Information Technology
supervisor: Assoc. Prof. Miroslav ABRASHEV
thesis: Optical phonons of NdBaCo
2
O
5+x
: lattice dynamics calculations
BS in Physics 2004 – 2008
qualification: Physicist
supervisor: Assoc. Prof. Mitra BALEVA
EXPERIENCE
Faculty of Physics, University of Sofia Sofia, Bulgaria
Assistant Professor 2015 – present
Seminars in mechanics, probability and physical statistics, general physics, electricity
and magnetism, and Raman spectroscopy
Lectures no general physics, and Raman spectroscopy
Assistant 2013 – 2015
Seminars in general physics, mechanics, and molecular physics
Physicist 2008 – 2013
Maintenance of the equipment at the Laboratory of spectroscopy of crystals
COMPUTER SKILLS
Programming: Python, Wolfram Mathematica, Fortran, Shell scripting
Modelling and simulation
: GULP (General Utility Lattice Program), CASTEP
(Cambridge Serial Total Energy Package), Quantum ESPRESSO
Graphics/visualization
: VPython (3D graphics module for Python), Asymptote
(2D & 3D T
E
X-aware vector graphics language), GLE (Graphics Layout Engine),
FreeCAD (parametric 3D modeler), GeoGebra (dynamic mathematics for learning
and teaching)
Other: LabSpec 5, L
A
T
E
X, MS Excel
PROJECTS
2015 – 2016
:
Project No. DFNI T02/26
, Novel hybrid structures based on photore-
fractive crystal-liquid crystal and graphene
Funded by the Bulgarian National Science Fund
2014 – 2016
:
Project No. DFNI T02/18
, Nanostructured liquid crystals for tunable
photonic devices
Funded by the Bulgarian National Science Fund
2014
:
Project No. 85/08.05.2014
, Spin-phonon interactions in manganese oxides
Funded by the Scientific Fund of the Sofia University “St. Kliment Ohridski”
2013
:
Project No. 30/15.04.2013
, Study of commensurate and incommensurate
magnetic phases of CuB
2
O
4
by phonon and magnon Raman scattering
Funded by the Scientific Fund of the Sofia University “St. Kliment Ohridski”
MEMBERSHIP
2014 – present
:
Committee for organising and conducting of the National
Physics Olympiad for high-school students
OTHER
Leader of the Bulgarian team at:
48
-th
International Physics Olympiad Jogjakarta, Indonesia
An annual competition for high-school students 2017
1
-st
European Physics Olympiad Tartu/Tallinn, Estonia
An annual competition for high-school students 2017
5
-th
— 7
-th
Romanian Master of Physics Bucharest, Romania
An annual competition for high-school students 2016, 2017
1
-st
Romanian Master of Sciences Bucharest, Romania
An annual competition for high-school students 2010
WORKSHOPS
VASP workshop at the Institut des Matériaux Jean Rouxel Nantes, France
2012
PUBLICATIONS
16 published items with 72 citations, h-index 5 (according to Scopus):
1. B. Katranchev, M. Petrov, P Rafailov, N. Todorov,
Chiralization and ferroelectric state induction in nanostructured liquid crystals,
J. Phys. Conf. Ser. 682, 012001 (2016).
2.
V. G. Ivanov, N. D. Todorov, L. S. Petrov, T. Ritacco, M. Giocondo, E. S. Vlakhov,
Strong surface enhanced Raman scattering from gold nanoarrays obtained
by direct laser writing,
J. Phys. Conf. Ser. 764, 012023 (2016).
3. B. Katranchev, M. Petrov, P Rafailov, N. Todorov, E. Keskinova, H. Naradikian,
T. Spassov,
Ferroelectric state induced in mixture of dimer liquid crystal and perfluorooc-
tanoic acid,
Mol. Cryst. Liq. Cryst. 632, 21 (2016).
4. M. Abrashev, N. D. Todorov, J. Geshev,
Raman spectra of R
2
O
3
(R – rare earth) sesquioxides with C-type bixbyite
crystal structure: A comparative study,
J. Appl. Phys. 116, 103508 (2014).
5.
V. Ivanov, M. Abrashev, N. D. Todorov, V. Tomov, R. Nikolova, A. Litvinchuk,
M. Iliev,
Phonon and magnon Raman scattering in CuB
2
O
4
,
Phys. Rev. B 88, 094301 (2013).
6.
M. Iliev, P. Silwal, B. Loukya, R. Datta, D. Kim, N. D. Todorov, N. Pachauri,
A. Gupta,
Raman studies of cation distribution and thermal stability of epitaxial spinel
NiCo
2
O
4
films,
J. Appl. Phys. 114, 033514 (2013).
7.
N. D. Todorov, M. Abrashev, V. Marinova, M. Kadiyski, L. Dimowa, E. Faulques,
Raman spectroscopy and lattice dynamical calculations of Sc
2
O
3
single crys-
tals,
Phys. Rev. B 87, 104301 (2013).
8.
N. D. Todorov, M. Abrashev, S. Russev, V. Marinova, R. Nikolova, B. Shivachev,
Raman spectroscopy and lattice dynamical calculations of Sc
3
CrO
6
single
crystals,
Phys. Rev. B 85, 214301 (2012).
9. N. D. Todorov, M. Abrashev, V. Ivanov,
Frequency dependence of the quasi-soft Raman-active modes in rotationally
distorted R
3+
B
3+
O
3
perovskites (R
3+
rare-earth, B
3+
= Al
, Sc, Ti, V, Cr, Mn, Fe,
Co, Ni, Ga),
J. Phys. Cond. Mat. 24, 175404 (2012).
10.
N. D. Todorov, M. Abrashev, V. Ivanov, G. Tsutsumanova, V. Marinova, Y.-Q.
Wang, M. Iliev,
Comparative Raman study of isostructural YCrO
3
and YMnO
3
: Effects of struc-
tural distortions and twinning,
Phys. Rev. B 83, 224303 (2011).
11. V. Ivanov, A. Litvinchuk, N. D. Todorov, M. Abrashev, V. Marinova,
Infrared response of α– and β–phases of LiFe
5
O
8
,
Phys. Rev. B 84, 094111 (2011).
12.
M. Iliev, V. Ivanov, N. D. Todorov, V. Marinova, M. Abrashev, R. Petrova, Y.-Q.
Wang, A. Litvinchuk,
Lattice dynamics of the α– and β–phases of LiFe
5
O
8
,
Phys. Rev. B 83, 174111 (2011).
13. N. D. Todorov, M. Abrashev, V. Ivanov, G. Avdeev, S. Russev,
Synthesis and characterization of RBaCo
2
O
5+x
(R = La, Nd, Gd, Y and Ho),
J. Phys. Conf. Ser. 253, 012071 (2010).
14. N. D. Todorov, M. Abrashev, V. Ivanov, E. Vlakhov,
Optical phonons of NdBaCo
2
O
5+x
: Lattice dynamics calculations,
AIP Conf. Proc. 1203, 1003 (2010).
15. M. Baleva, A. Atanassov, M. Marinova, G. Zlateva, N. Todorov,
Raman scattering of Si matrix with randomly distributed nanoparticles of
semiconducting silicides,
J. Nanosci. Nanotechnol., 8, 768 (2008).
16. M. Baleva, A. Atanassov, N. Todorov, G. Zlateva,
Surface and interface polaritons in Si matrix with buried and unburied Mg
2
Si
nanolayers,
Physics, Chemistry and Application of Nanostructures, 210, (2007).
