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1

Raman spectroscopy investigation of magnetite nanoparticles in ferrofluids

L. Slavov, M.V. Abrashev, T. Merodiiska, Ch. Gelev, R.E. Vandenberghe, I. Markova-Deneva, I. Nedkov

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2010

Language:

english

File:

PDF, 621 KB

english, 2010

2

Microwave plasmas enabled synthesis of free standing carbon nanostructures at atmospheric pressure conditions

Bundaleska, Neli, Tsyganov, Dmitry, Dias, Ana, Felizardo, Edgar, Henriques, Julio, Dias, Francisco M., Abrashev, Miroslav, Kissovski, Zhivko, Tatarova, E.

Journal:

Physical Chemistry Chemical Physics

Year:

2018

Language:

english

File:

PDF, 1.86 MB

english, 2018

3

Simple procedure for an estimation of the coal rank using micro-Raman spectroscopy

Hinrichs, Ruth, Brown, Matthew T., Vasconcellos, Marcos A.Z., Abrashev, Miroslav V., Kalkreuth, Wolfgang

Journal:

International Journal of Coal Geology

Year:

2014

Language:

english

File:

PDF, 1.46 MB

english, 2014

4

Raman phonons and Raman Jahn–Teller bands in perovskite-like manganites

Milko N. Iliev, Miroslav V. Abrashev

Journal:

Journal of Raman Spectroscopy

Year:

2001

Language:

english

File:

PDF, 612 KB

english, 2001

5

Antioxidant and cholinesterases inhibitory activities of Verbascum xanthophoeniceum Griseb. and its phenylethanoid glycosides

Milen Georgiev, Kalina Alipieva, Ilkay Orhan, Radoslav Abrashev, Petko Denev, Maria Angelova

Journal:

Year:

2011

Language:

english

File:

PDF, 430 KB

english, 2011

6

Design of new gold catalysts supported on mechanochemically activated ceria-alumina, promoted by molybdena for complete benzene oxidation

D. Andreeva, P. Petrova, L. Ilieva, J.W. Sobczak, M.V. Abrashev

Journal:

Applied Catalysis B: Environmental

Year:

2008

Language:

english

File:

PDF, 770 KB

english, 2008

7

Raman monitoring of the dynamical Jahn-Teller distortions in rhombohedral antiferromagnetic LaMnO3 and ferromagnetic magnetoresistive La0.98Mn0.96O3

M.N. Iliev, A.P. Litvinchuk, M.V. Abrashev, V.G. Ivanov, H.-G. Lee, W.H. McCarroll, M. Greenblatt, R.L. Meng, C.W. Chu

Journal:

Physica C: Superconductivity

Year:

2000

Language:

english

File:

PDF, 148 KB

english, 2000

8

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)

Todorov, N D, Abrashev, M V, Ivanov, V G

Journal:

Journal of Physics Condensed Matter

Year:

2012

Language:

english

File:

PDF, 479 KB

english, 2012

9

Oxidative stress-associated impairment of glucose and ammonia metabolism in the filamentous fungus, Aspergillus niger B1-D

Qiang Li, Radoslav Abrashev, Linda M. Harvey, Brian McNeil

Journal:

Mycological Research

Year:

2008

Language:

english

File:

PDF, 369 KB

english, 2008

10

, Co, Cu, Zn, Sc or Ga): Oxygen disorder and local vibrational modes

Dubroka, A., Humlíček, J., Abrashev, M. V., Popović, Z. V., Sapiña, F., Cantarero, A.

Journal:

Physical Review B

Year:

2006

Language:

english

File:

PDF, 1.22 MB

english, 2006

11

Microwave plasma based single step method for free standing graphene synthesis at atmospheric conditions

Tatarova, E., Henriques, J., Luhrs, C. C., Dias, A., Phillips, J., Abrashev, M. V., Ferreira, C. M.

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 1.29 MB

english, 2013

12

: Effects of structural modulation and structural transition

Iliev, M. N., Hadjiev, V. G., Gospodinov, M. M., Nikolova, R. P., Abrashev, M. V.

Journal:

Physical Review B

Year:

2014

Language:

english

File:

PDF, 744 KB

english, 2014

13

Raman spectra of R2O3 (R—rare earth) sesquioxides with C-type bixbyite crystal structure: A comparative study

Abrashev, M. V., Todorov, N. D., Geshev, J.

Journal:

Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

14

Microwave plasmas applied for the synthesis of free standing graphene sheets

Tatarova, E, Dias, A, Henriques, J, Botelho do Rego, A M, Ferraria, A M, Abrashev, M V, Luhrs, C C, Phillips, J, Dias, F M, Ferreira, C M

Journal:

Journal of Physics D Applied Physics

Year:

2014

Language:

english

File:

PDF, 2.03 MB

english, 2014

15

( R =La,Nd)

Abrashev, M. V., Zlateva, G. A., Dinolova, E.

Journal:

Physical Review B

Year:

1993

Language:

english

File:

PDF, 198 KB

english, 1993

16

( R =Y, rare earth)

Bogachev, G., Abrashev, M., Iliev, M., Poulakis, N., Liarokapis, E., Mitros, C., Koufoudakis, A., Psyharis, V.

Journal:

Physical Review B

Year:

1994

Language:

english

File:

PDF, 438 KB

english, 1994

17

( M =Zn,Cu)

Abrashev, M. V., Zlateva, G. A., Iliev, M. N., Gyulmezov, M.

Journal:

Physical Review B

Year:

1994

Language:

english

File:

PDF, 353 KB

english, 1994

18

structure

Pissas, M., Mitros, C., Niarchos, D., Kostikas, A., Simopoulos, A., Abrashev, M., Hadjimitov, V., Iliev, M.

Journal:

Physical Review B

Year:

1994

Language:

english

File:

PDF, 493 KB

english, 1994

19

Ceramic High-Porosity Honeycomb Catalysts for the Oxidation of Hydrogen Isotopes with a Deposited Palladium Active Layer

Gasparyan, M. D., Grunskii, V. N., Bespalov, A. V., Popova, N. A., Vagramyan, T. A., Grigoryan, N. S., Abrashev, A. A., Arkhipushkin, I. A.

Journal:

Glass and Ceramics

Year:

2015

Language:

english

File:

PDF, 316 KB

english, 2015

20

On the plasma-based growth of ‘flowing’ graphene sheets at atmospheric pressure conditions

Tsyganov, D, Bundaleska, N, Tatarova, E, Dias, A, Henriques, J, Rego, A, Ferraria, A, Abrashev, M V, Dias, F M, Luhrs, C C, Phillips, J

Journal:

Plasma Sources Science and Technology

Year:

2016

Language:

english

File:

PDF, 1.82 MB

english, 2016

21

Potential of ligninolytic enzymatic complex produced by white-rot fungi from genus Trametes isolated from Bulgarian forest soil

Krumova, Ekaterina, Kostadinova, Nedelina, Miteva-Staleva, Jeni, Stoyancheva, Galina, Spassova, Boryana, Abrashev, Radoslav, Angelova, Maria

Journal:

Engineering in Life Sciences

Year:

2018

Language:

english

File:

PDF, 2.06 MB

english, 2018

22

Free-standing N-Graphene as conductive matrix for Ni(OH)2 based supercapacitive electrodes

Upadhyay, Kush K., Bundaleska, N., Abrashev, M., Bundaleski, N., Teodoro, O.M.N.D., Fonseca, I., de Ferro, André Mão, Silva, Rui Pedro, Tatarova, E., Montemor, M.F.

Journal:

Electrochimica Acta

Year:

2020

File:

PDF, 11.44 MB

2020

23

Raman Study of the Variations of the Jahn-Teller Distortions through the Metal–Insulator Transition in Magnetoresistive La0.7Ca0.3MnO3 Thin Films

M. V. Abrashev, V. G. Avanov, M. N. Iliev, R. A. Chakalov, R. I. Chakalova, C. Thomsen

Journal:

physica status solidi (b)

Year:

1999

Language:

english

File:

PDF, 208 KB

english, 1999

24

ChemInform Abstract: Growth and Characterization of Large La1-xPbxMnO3-δ (x = 0.32—0.35) Crystals.

T. I. Milenov, P. M. Rafailov, M. V. Abrashev, R. P. Nikolova, R. Titorenkova, M. M. Gospodinov

Journal:

Year:

2010

File:

PDF, 13 KB

2010

25

Growth and characterization of large La1-xPbxMnO3+δ (x=0.32–0.35) crystals

T. I. Milenov, P. M. Rafailov, M. V. Abrashev, R. P. Nikolova, R. Titorenkova, M. M. Gospodinov

Journal:

Crystal Research and Technology

Year:

2009

Language:

english

File:

PDF, 147 KB

english, 2009

26

Raman study of the 1222 compound (Bi,Cu)Sr2(R,Ce)2Cu2O9−δ (R=Y,Ho)

MV. Abrashev, V.N. Hadjimitov, L.N. Bozukov, M.N. Iliev

Journal:

Solid State Communications

Year:

1995

Language:

english

File:

PDF, 465 KB

english, 1995

27

Gold catalysts supported on ceria doped by rare earth metals for water gas shift reaction: Influence of the preparation method

D. Andreeva, I. Ivanov, L. Ilieva, M.V. Abrashev, R. Zanella, J.W. Sobczak, W. Lisowski, M. Kantcheva, G. Avdeev, K. Petrov

Journal:

Applied Catalysis A: General

Year:

2009

Language:

english

File:

PDF, 1.82 MB

english, 2009

28

Microstructure and electrochemical hydriding/dehydriding properties of ball-milled TiFe-based alloys

Borislav Abrashev, Tony Spassov, Stoyan Bliznakov, Alexander Popov

Journal:

International Journal of Hydrogen Energy

Year:

2010

Language:

english

File:

PDF, 466 KB

english, 2010

29

Properties of AlN epitaxial layers on 6H–SiC substrate grown by sublimation in argon, nitrogen, and their mixtures

M. Beshkova, Z. Zakhariev, M.V. Abrashev, J. Birch, A. Postovit, R. Yakimova

Journal:

Materials Science and Engineering: B

Year:

2006

Language:

english

File:

PDF, 271 KB

english, 2006

30

Growth and characterization of La2CoMnO6 crystals doped with Pb

T.I. Milenov, P.M. Rafailov, M.V. Abrashev, R.P. Nikolova, A. Nakatsuka, G.V. Avdeev, M.N. Veleva, S. Dobreva, L. Yankova, M.M. Gospodinov

Journal:

Materials Science and Engineering: B

Year:

2010

Language:

english

File:

PDF, 551 KB

english, 2010

31

Comparative Raman studies of , and

M.N. Iliev, V.N. Popov, A.P. Litvinchuk, M.V. Abrashev, J. Bäckström, Y.Y. Sun, R.L. Meng, C.W. Chu

Journal:

Physica B: Condensed Matter

Year:

2005

Language:

english

File:

PDF, 788 KB

english, 2005

32

Raman study of hydrogenated RBa2Cu3O7−δ (R = Y, Gd)

V.G. Hadjiev, M.V. Abrashev, M.N. Iliev, L.N. Bozukov

Journal:

Physica C: Superconductivity

Year:

1990

Language:

english

File:

PDF, 565 KB

english, 1990

33

Destruction of non-superconducting YBa2Cu3O6.3 and PrBa2Cu3O6.8 due to hydrogenation: Raman scattering and X-ray diffraction study

M.V. Abrashev, L.N. Bozukov, M.N. Iliev

Journal:

Physica C: Superconductivity

Year:

1991

Language:

english

File:

PDF, 495 KB

english, 1991

34

Raman spectroscopy of (Pb(1+x)/2Cu(1-x)/2)Sr2(Y1-xCax)Cu2O7+δ(x=0, 0.35)

M.V. Abrashev, M.N. Iliev, L.N. Bozukov

Journal:

Physica C: Superconductivity

Year:

1992

Language:

english

File:

PDF, 413 KB

english, 1992

35

Micro-Raman, SEM and x-ray characterization of (Pb0.6Cu0.5)LaSrCan−1CunOx (n = 1, 2) ceramics

M.V. Abrashev, V.N. Hadjimitov, E. Dinolova, L.N. Bozukov

Journal:

Physica C: Superconductivity

Year:

1993

Language:

english

File:

PDF, 575 KB

english, 1993

36

Morphological and compositional changes of the target surface during RF magnetron sputtering of the Y-Ba-Cu-O system

R.A. Chakalov, M.V. Abrashev

Journal:

Physica C: Superconductivity

Year:

1994

Language:

english

File:

PDF, 453 KB

english, 1994

37

Gold catalysts supported on ceria and ceria–alumina for water-gas shift reaction

D. Andreeva, I. Ivanov, L. Ilieva, M.V. Abrashev

Journal:

Applied Catalysis A: General

Year:

2006

Language:

english

File:

PDF, 338 KB

english, 2006

38

Photoluminescence depending on the ZnS shell thickness of CdS/ZnS core-shell semiconductor nanoparticles

Alexandre R. Loukanov, Ceco D. Dushkin, Karolina I. Papazova, Andrey V. Kirov, Miroslav V. Abrashev, Eiki Adachi

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2004

Language:

english

File:

PDF, 316 KB

english, 2004

39

Biochemical properties of Cu/Zn-superoxide dismutase from fungal strain Aspergillus niger 26

Aleksandar Dolashki, Radoslav Abrashev, Stefan Stevanovic, Lilyana Stefanova, Syed Abid Ali, Ludmila Velkova, Rumyana Hristova, Maria Angelova, Wolfgang Voelter, Bart Devreese, Jozef Van Beeumen, Pavl

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2008

Language:

english

File:

PDF, 1.28 MB

english, 2008

40

Optical and electrochromic properties of CVD mixed MoO3–WO3 thin films

T. Ivanova, K. Gesheva, F. Hamelmann, G. Popkirov, M. Abrashev, M. Ganchev, E. Tzvetkova

Journal:

Year:

2004

Language:

english

File:

PDF, 193 KB

english, 2004

41

Low-pressure sublimation epitaxy of AlN films—growth and characterization

M. Beshkova, Z. Zakhariev, M.V. Abrashev, E. Birch, A. Kakanakova, R. Yakimova

Journal:

Year:

2004

Language:

english

File:

PDF, 196 KB

english, 2004

42

Plasma-assisted deposition of thin carbon films from methane and the influence of the plasma parameters and additional gases

F. Hamelmann, A. Aschentrup, A. Brechling, U. Heinzmann, M. Abrashev, A. Szekeres, K. Gesheva

Journal:

Year:

2004

Language:

english

File:

PDF, 206 KB

english, 2004

43

Defect and stress relaxation in HVPE-GaN films using high temperature reactively sputtered AlN buffer

T. Paskova, E. Valcheva, J. Birch, S. Tungasmita, P.-O.Å. Persson, P.P. Paskov, S. Evtimova, M. Abrashev, B. Monemar

Journal:

Journal of Crystal Growth

Year:

2001

Language:

english

File:

PDF, 224 KB

english, 2001

44

Raman active phonons in orthorhombic YMnO3 and LaMnO3

N Iliev, M.V Abrashev, H.-G Lee, V.N Popov, Y.Y Sun, C Thomsen, R.L Meng, C.W Chu

Journal:

Journal of Physics and Chemistry of Solids

Year:

1998

Language:

english

File:

PDF, 224 KB

english, 1998

45

Raman spectroscopy of YSr2Cu3O7+δ

H.-G Lee, A.P Litvinchuk, M.V Abrashev, M.N Iliev, S.H Xu, C.W Chu

Journal:

Journal of Physics and Chemistry of Solids

Year:

1998

Language:

english

File:

PDF, 177 KB

english, 1998

46

Purification and partial characterization of neuraminidase from the non-pathogenic Arthrobacter nicotianae

Ignat R. Abrashev, Vesela E. Genova, Anna V. Sotirova, Konstantina Z. Ilieva

Journal:

Enzyme and Microbial Technology

Year:

1998

Language:

english

File:

PDF, 477 KB

english, 1998

47

Raman scattering study of heavily oxygenated YSr2Cu3O7+δ and AuBa2YCu2O7+δ superconductors

A.P. Litvinchuk, M.N. Iliev, H.-G. Lee, M.V. Abrashev, L.M. Dezaneti, B.R. Hickey, Y.Y. Xue, C.W. Chu

Journal:

Physica C: Superconductivity

Year:

2000

Language:

english

File:

PDF, 318 KB

english, 2000

48

Doping effects in the Sr14Cu24O41-type structure: a Raman scattering study

M.V. Abrashev, C. Thomsen, M. Surtchev

Journal:

Physica C: Superconductivity

Year:

1997

Language:

english

File:

PDF, 602 KB

english, 1997

49

Impact of MOCVD-GaN ‘templates’ on the spatial non-uniformities of strain and doping distribution in hydride vapour phase epitaxial GaN

E Valcheva, T Paskova, M.V Abrashev, P.Å.O Persson, P.P Paskov, E.M Goldys, R Beccard, M Heuken, B Monemar

Journal:

Materials Science and Engineering: B

Year:

2001

Language:

english

File:

PDF, 206 KB

english, 2001

50

Correlation between the chemical bonding and the physical properties of the CNx films obtained by pulsed laser deposition from C targets in low-pressure N2

E György, I.N Mihailescu, M Baleva, M Abrashev, E.P Trifonova, A Szekeres, A Perrone

Journal:

Materials Science and Engineering: B

Year:

2003

Language:

english

File:

PDF, 176 KB

english, 2003