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1

Temperature dependence of low-field magnetoresistance in perovskite manganites thin films

E.S Vlakhov, K Dörr, K.-H Müller, K.A Nenkov, A Handstein, T Walter, R.A Chakalov, R.I Chakalova, T.I Donchev, A.Y Spasov

Journal:

Year:

2000

Language:

english

File:

PDF, 108 KB

english, 2000

2

Influence of the substrate on growth and magnetoresistance of La[sub 0.7]Ca[sub 0.3]MnO[sub z] thin films deposited by magnetron sputtering

Vlakhov, E. S., Chakalov, R. A., Chakalova, R. I., Nenkov, K. A., DoÌrr, K., Handstein, A., MuÌller, K.-H.

Journal:

Journal of Applied Physics

Year:

1998

Language:

english

File:

PDF, 382 KB

english, 1998

3

Potential for bioremediation of calcareous soils using humic acids and microbial cultures

Bratkova, Svetlana, Chakalov, Konstantin, Savov, Valentin, Popova, Todorka, Dimitrov, Ivan, Panayotova, Marinela

Journal:

New Biotechnology

Year:

2012

Language:

english

File:

PDF, 85 KB

english, 2012

4

Growth, Microwave Properties and Microstructure of Ba 0.05 Sr 0.95 TiO 3 Thin Films

KOUTSONAS, I., HU, W. F., JACKSON, T. J., JONES, I. P., LANCASTER, M. J., PASSERIEUX, G., CHAKALOV, R. A., CHAKALOVA, R. I., DARLINGTON, C. N. W.

Journal:

Integrated Ferroelectrics

Year:

2004

Language:

english

File:

PDF, 277 KB

english, 2004

5

On-Wafer Measurements of Tuneability in Ba 0.5 Sr 0.5 TiO 3 Thin Films

SUHERMAN, P. M., JACKSON, T. J., KOUTSONAS, Y., CHAKALOV, R. A., LANCASTER, M. J.

Journal:

Integrated Ferroelectrics

Year:

2004

Language:

english

File:

PDF, 162 KB

english, 2004

6

[IEEE 27th European Microwave Conference, 1997 - Jerusalem, Israel (1997.10.4-1997.10.6)] 27th European Microwave Conference, 1997 - HTS/Ferroelectric CPW Structures for Voltage Tuneable Phase Shifters

Vendik, O. G., Carlsson, E. F., Petrov, P. K., Chakalov, R. A., Gevorgian, S. S., Ivanov, Z. G.

Year:

1997

Language:

english

File:

PDF, 326 KB

english, 1997

7

Foreign-born English words and phrases typical of social and economic relations in the countries of Eastern Europe

Chakalov, Gocho G.

Journal:

Year:

1977

Language:

english

File:

PDF, 549 KB

english, 1977

8

Study of Immobilized Microbial Composition on the Reclamation Process of Heavy Metal Polluted Soils

Savov, V., Chakalov, K., Angelova, G., Popova, T., Hristova, R.

Journal:

Biotechnology & Biotechnological Equipment

Year:

2009

Language:

english

File:

PDF, 378 KB

english, 2009

9

Ten simple rules for an inclusive summer coding program for non-computer-scienceÂ undergraduates

Pennings, Pleuni, Banuelos, Mayra M., Catalan, Francisca L., Caudill, Victoria R., Chakalov, Bozhidar, Hernandez, Selena, Jones, Jeanice, Okorie, Chinomnso, Modrek, Sepideh, Rohlfs, Rori, Adelstein, N

Journal:

PLoS Computational Biology

Year:

2020

File:

PDF, 1.15 MB

2020

10

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

11

Interdiffusion of YBaCu oxides and SiO2 substrate. Efficiency of titanium nitride barrier film

KG Grigorov, GI Grigorov, MV Stoyanova, RA Chakalov, J-L Vignes, J-P Langeron, P Denjean, J Perriere

Journal:

Year:

1993

Language:

english

File:

PDF, 343 KB

english, 1993

12

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

13

Contactless characterization of YBCO films on different substrates

T. Nurgaliev, V. Tsaneva, R. Chakalov, T. Donchev, A. Spasov

Journal:

Physica C: Superconductivity

Year:

1994

Language:

english

File:

PDF, 165 KB

english, 1994

14

Coexistence and competition of ferromagnetic and charge ordered phases in strained La1−xCaxMnO3 films

E.S. Vlakhov, K.A. Nenkov, T.I. Donchev, E.S. Mateev, R.A. Chakalov, A. Szewczyk, M. Baran, K. Piotrowski

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2005

Language:

english

File:

PDF, 176 KB

english, 2005

15

Conductivity of the interface between La0.7Ca(Sr)0.3MnO3 and underdoped YBa2Cu3O7−δ

P. Mikheenko, R.A. Chakalov, R. Chakalova, M.S. Colclough, C.M. Muirhead

Journal:

Physica C: Superconductivity

Year:

2004

Language:

english

File:

PDF, 311 KB

english, 2004

16

Structural and electrical properties of c-axis oriented Y1−xCaxBa2(Cu1−yZny)3O7−δ thin films grown by pulsed laser deposition

S.H Naqib, R.A Chakalov, J.R Cooper

Journal:

Physica C: Superconductivity

Year:

2004

Language:

english

File:

PDF, 347 KB

english, 2004

17

Holes in YBa2Cu3O7−x thin films on vicinal strontium titanate substrates

T.J. Jackson, J.S. Abell, R. Chakalov, M.S. Colclough, C.N.W. Darlington, I.P. Jones, G. Kong, C.M. Muirhead, F. Wellhöfer

Journal:

Thin Solid Films

Year:

2004

Language:

english

File:

PDF, 728 KB

english, 2004

18

Ferromagnetic and charge ordering competition in strained thin films of La1−xCaxMnO3 system

E.S. Vlakhov, K.A. Nenkov, T.G. Donchev, E.S. Mateev, R.A. Chakalov

Journal:

Year:

2004

Language:

english

File:

PDF, 225 KB

english, 2004

19

Three-dimensional Monte Carlo simulation of sputtered atom transport in the process of ion-plasma sputter deposition of multicomponent thin films

P.K. Petrov, V.A. Volpyas, R.A. Chakalov

Journal:

Year:

1999

Language:

english

File:

PDF, 197 KB

english, 1999

20

Zero-field vortex dynamics in YBCO thin films

Örjan Festin, Peter Svedlindh, Radoslav Chakalov, Zdravko Ivanov

Journal:

Physica B: Condensed Matter

Year:

2000

Language:

english

File:

PDF, 99 KB

english, 2000

21

Strong magnetoresistance in PrBa2Cu3Ox epitaxial films

P. Mikheenko, R. Chakalov, C. Sèvérac, F. Wellhofer, M. Colclough, C. Muirhead

Journal:

Physica C: Superconductivity

Year:

2000

Language:

english

File:

PDF, 147 KB

english, 2000

22

Magnetic and superconducting properties of CMR/HTS multilayers for spin injection devices

P. Mikheenko, R. Chakalov, C. Sèvérac, F. Wellhofer, M. Colclough, C. Muirhead, K. Kawano

Journal:

Physica C: Superconductivity

Year:

2000

Language:

english

File:

PDF, 148 KB

english, 2000

23

Investigation of growth peculiarities of CMR/dielectric/HTS multilayers

R.A. Chakalov, P. Mikheenko, C.H.L. Severac, M. Allsworth, C.N.W. Darlington, F. Wellhöfer, C.M. Muirhead

Journal:

Physica C: Superconductivity

Year:

2000

Language:

english

File:

PDF, 150 KB

english, 2000

24

BIG films fabricated by PLD for magnetic flux visualisation of YBCO

K. Kawano, R.A. Chakalov, G. Kong, J.S. Abell, S. Kahl, A.M. Grishin

Journal:

Physica C: Superconductivity

Year:

2002

Language:

english

File:

PDF, 185 KB

english, 2002

25

Deposition of YBCO films by high temperature spray pyrolysis

T.C Shields, J.S Abell, T.W Button, R.A Chakalov, R.I Chakalova, C Cai, W Haessler, J Eickemeyer, B de Boer

Journal:

Physica C: Superconductivity

Year:

2002

Language:

english

File:

PDF, 98 KB

english, 2002

26

Fabrication and investigation of YBa2Cu3O7−δ/Ba0.05Sr0.95TiO3 thin film structures for voltage tunable devices

R.A. Chakalov, Z.G. Ivanov, Yu.A. Boikov, P. Larsson, E. Carlsson, S. Gevorgian, T. Claeson

Journal:

Physica C: Superconductivity

Year:

1998

Language:

english

File:

PDF, 405 KB

english, 1998

27

Investigation of microwave current effect on parameters of YBCO thin films in microstrip resonator structure

T Nurgaliev, R.A Chakalov, Z Ivanov, A Spasov

Journal:

Physica C: Superconductivity

Year:

1999

Language:

english

File:

PDF, 1.33 MB

english, 1999

28

Microwave properties of YBCO thin films in the weakly coupled grain model

T. Nurgaliev, R. A. Chakalov, Z. Ivanov, T. Donchev, A. Spasov

Journal:

Journal of Low Temperature Physics

Year:

1997

Language:

english

File:

PDF, 291 KB

english, 1997

29

Microwave properties of YBCO thin films on YSZ substrates in the coupled grain model approach

T. Nurgaliev, R.A. Chakalov, T. Donchev, Z. Ivanov, A. Spasov

Journal:

Physica C: Superconductivity

Year:

1996

Language:

english

File:

PDF, 595 KB

english, 1996

30

Difference in individual layer properties in cuprate/manganite structures deposited by laser ablation

R.A. Chakalov, C. Jeynes, P. Mikheenko, M.D. Allsworth, C.N.W. Darlington, M.S. Colclough, C.M. Muirhead

Journal:

Annalen der Physik

Year:

2004

Language:

english

File:

PDF, 111 KB

english, 2004

31

Magnetotransport in a bi-crystal film of La0.7Sr0.3MnO3

R Mathieu, P Svedlindh, R.A Chakalov, Z.G Ivanov

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2001

Language:

english

File:

PDF, 86 KB

english, 2001

32

[IEEE 1996 IEEE International Frequency Control Symposium - Honolulu, HI, USA (5-7 June 1996)] Proceedings of 1996 IEEE International Frequency Control Symposium - High thermal stability microwave oscillator based on HTSC resonator

Kojouharov, R., Nurgaliev, T., Taslakov, M., Chakalov, R.A., Donchev, T., Spasov, A., Ivanov, Z., Angelov, I., Johansson, L.G., Kollberg, E., Claeson, T.

Year:

1996

Language:

english

File:

PDF, 429 KB

english, 1996

33

Surface pinning as origin of high critical current in superconducting films

Khokhlov, V A, Kosse, A I, Kuzovlev, Yu E, Levchenko, G G, Medvedev, Yu V, Prokhorov, A Yu, Mikheenko, P, Chakalov, R, Muirhead, C M

Journal:

Superconductor Science and Technology

Year:

2004

Language:

english

File:

PDF, 124 KB

english, 2004

34

Modulations of neural activity in auditory streaming caused by spectral and temporal alternation in subsequent stimuli: a magnetoencephalographic study

Ivan Chakalov, Rossitza Draganova, Andreas Wollbrink, Hubert Preissl, Christo Pantev

Journal:

BMC Neuroscience

Year:

2012

Language:

english

File:

PDF, 346 KB

english, 2012

35

and

Abrashev, M. V., Litvinchuk, A. P., Iliev, M. N., Meng, R. L., Popov, V. N., Ivanov, V. G., Chakalov, R. A., Thomsen, C.

Journal:

Physical Review B

Year:

1999

Language:

english

File:

PDF, 227 KB

english, 1999

36

Mode assignment and relationship between Raman line intensities and structural distortions

Abrashev, M. V., Bäckström, J., Börjesson, L., Popov, V. N., Chakalov, R. A., Kolev, N., Meng, R.-L., Iliev, M. N.

Journal:

Physical Review B

Year:

2002

Language:

english

File:

PDF, 148 KB

english, 2002

37

Perceptual organization of auditory streaming-task relies on neural entrainment of the stimulus-presentation rate: MEG evidence

Chakalov, Ivan, Draganova, Rossitza, Wollbrink, Andreas, Preissl, Hubert, Pantev, Christo

Journal:

BMC Neuroscience

Year:

2013

Language:

english

File:

PDF, 505 KB

english, 2013

38

Modeling of solid-state cultivation of Trichoderma in order to obtain natural substances with high cation exchange capacity

Angelova, Gergana, Chakalov, Konstantin, Popova, Todorka, Savov, Valentin

Journal:

New Biotechnology

Year:

2012

Language:

english

File:

PDF, 78 KB

english, 2012

39

Mismatch negativity to acoustical illusion of beat: How and where the change detection takes place?

Chakalov, Ivan, Paraskevopoulos, Evangelos, Wollbrink, Andreas, Pantev, Christo

Journal:

Year:

2014

Language:

english

File:

PDF, 1.79 MB

english, 2014

40

from transport measurements: Tracking the pseudogap below

Naqib, S. H., Cooper, J. R., Tallon, J. L., Islam, R. S., Chakalov, R. A.

Journal:

Physical Review B

Year:

2005

Language:

english

File:

PDF, 990 KB

english, 2005

41

Critical current control in a superconducting thin film with a ferromagnetic layer

Allsworth, M.D., Chakalov, R.A., Mikheenko, P., Colclough, M.S., Muirhead, C.M.

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2003

Language:

english

File:

PDF, 359 KB

english, 2003

42

Low Frequency Noise in High TC Ferromagnetic La2/3Sr1/3MnO3 Devices: Study of Anomalous Effects Below Curie Temperature

Mercone, Silvana, Mechin, Laurence, Routoure, Jean-Marc, Chakalov, Radoslav

Journal:

Year:

2008

Language:

english

File:

PDF, 1.29 MB

english, 2008

43

Spin-polarized injection into YBaCu[sub 3]O[sub 7] grain boundary junctions

Ireland, J., Chakalov, R., Colclough, M. S., Muirhead, C. M.

Journal:

Applied Physics Letters

Year:

2003

Language:

english

File:

PDF, 360 KB

english, 2003

44

Superconductivity in thin-film YBa[sub 2]Cu[sub 3]O[sub 7−δ]/La[sub 0.7]Ca[sub 0.3]MnO[sub 3] bilayers

Allsworth, M. D., Chakalov, R. A., Colclough, M. S., Mikheenko, P., Muirhead, C. M.

Journal:

Applied Physics Letters

Year:

2002

Language:

english

File:

PDF, 308 KB

english, 2002

45

Structure, microstructure, and magneto-optical properties of laser deposited Bi[sub 3]Fe[sub 5]O[sub 12]/Gd[sub 3]Ga[sub 5]O[sub 12](111) films

Kahl, S., Khartsev, S. I., Grishin, A. M., Kawano, K., Kong, G., Chakalov, R. A., Abell, J. S.

Journal:

Journal of Applied Physics

Year:

2002

Language:

english

File:

PDF, 725 KB

english, 2002

46

Low-noise La[sub 0.7]Sr[sub 0.3]MnO[sub 3] thermometers for uncooled bolometric applications

Yang, Fan, Méchin, Laurence, Routoure, Jean-Marc, Guillet, Bruno, Chakalov, Radoslav A.

Journal:

Journal of Applied Physics

Year:

2006

Language:

english

File:

PDF, 737 KB

english, 2006

47

films

Kokanović, I., Cooper, J. R., Naqib, S. H., Islam, R. S., Chakalov, R. A.

Journal:

Physical Review B

Year:

2006

Language:

english

File:

PDF, 139 KB

english, 2006

48

[Phys. Rev. B 71 , 054502 (2005)]

Naqib, S. H., Cooper, J. R., Tallon, J. L., Islam, R. S., Chakalov, R. A.

Journal:

Physical Review B

Year:

2005

File:

PDF, 11 KB

2005

49

thin films

Velichko, Anton V., Lancaster, Michael J., Chakalov, Radoslav A., Wellhofer, F.

Journal:

Physical Review B

Year:

2002

Language:

english

File:

PDF, 279 KB

english, 2002

50

Modulated optical reflectance measurements on La[sub 2∕3]Sr[sub 1∕3]MnO[sub 3] thin films

L. Méchin, S. Flament, A. Perry, D. P. Almond, R. A. Chakalov

Year:

2005

Language:

english

File:

PDF, 1.24 MB

english, 2005