Search Results - "Kakazei, G.N"

Broadband Magnetic Response of Periodic Arrays of FeNi Dots by Sierra, J.F., Awad, A.A., Kakazei, G.N., Palomares, F.J., Aliev, F.G.

“…We present a study of magnetization dynamics at room temperature in periodic arrays of 50 nm thick FeNi (Py) circular magnetic dots of 500 nm radius and…”
Get full text

Magnetic skyrmion size and stability in ultrathin nanodots accounting Dzyaloshinskii-Moriya exchange interaction by Aranda, A.R., Hierro-Rodriguez, A., Kakazei, G.N., Chubykalo-Fesenko, O., Guslienko, K.Y.

“…•The magnetic anisotropy and DMI strength are important for the skyrmion stabilization.•Almost all simulated Néel skyrmions in ultrathin nanodots are unstable…”
Get full text

Current-in-plane transport in granular single layers and multilayers of CoFe in Al2O3 by KAKAZEI, G. N, POGORELOV, Yu. G, LOPES, A. M. L, DA SILVA, M. A. S, SANTOS, J. A. M, SOUSA, J. B, CARDOSO, S, FREITAS, P. P, SNOECK, E

Get full text

Thickness dependences of structural and magnetic properties of Ni(Co)MnSn/MgO(001) thin films by Golub, V., Aseguinolaza, I.R., Salyuk, O., Popadiuk, D., Sharay, I., Fernández, R., Alexandrakis, V., Bunyaev, S.A., Kakazei, G.N., Barandiarán, J.M., Chernenko, V.A.

“…The influence of film thickness on the formation of twinning structure, martensitic transformation and magnetoelastic properties of epitaxial films of…”
Get full text

Probing the morphology of epitaxial Fe/MgO discontinuous multilayers by magnetometric technique by Vovk, A., García-García, A., Pogorelov, Y.G., Pardo, J.A., Štrichovanec, P., Magén, C., Algarabel, P.A., Araujo, J.P., Kakazei, G.N.

“…•Formation of flat nanoparticles was confirmed for epitaxial DMIMs.•Disc-shaped particle size distribution was revealed via hysteresis curves fitting.•Magnetic…”
Get full text

Laser-induced diffusion decomposition in Fe–V thin-film alloys by Polushkin, N.I., Duarte, A.C., Conde, O., Alves, E., Barradas, N.P., García-García, A., Kakazei, G.N., Ventura, J.O., Araujo, J.P., Oliveira, V., Vilar, R.

“…•Irradiation of an Fe–V alloy by femtosecond laser triggers diffusion decomposition.•The decomposition occurs with strongly enhanced (∼4 orders) atomic…”
Get full text

Effect of Gd substitution on ferroelectric and magnetic properties of Bi4Ti3O12 by Khomchenko, V.A., Kakazei, G.N., Pogorelov, Y.G., Araujo, J.P., Bushinsky, M.V., Kiselev, D.A., Kholkin, A.L., Paixão, J.A.

Get full text

Effect of Gd substitution on ferroelectric and magnetic properties of Bi 4Ti 3O 12 by Khomchenko, V.A., Kakazei, G.N., Pogorelov, Y.G., Araujo, J.P., Bushinsky, M.V., Kiselev, D.A., Kholkin, A.L., Paixão, J.A.

“…Polycrystalline samples Bi 4 − x Gd x Ti 3O 12 ( x = 1, 1.5, 2) were investigated by X-ray diffraction, piezoresponse force microscopy and SQUID-magnetometry…”
Get full text

Magnetization anomalies in melt-spun Ni–Mn–Ga ribbons by Chernenko, V.A., Kakazei, G.N., Perekos, A.O., Cesari, E., Besseghini, S.

“…Temperature and field dependencies of the magnetization of melt-spun ribbons of Ni 45.7Mn 37.2Ga 17.1 ( T C< T A) and Ni 54.3Mn 20.5Ga 25.2 ( T C> T A), where…”
Get full text

Magnetic Hysteresis in ErFeO[Formula Omitted] Near the Low Temperature Erbium Ordering Transition by Tsymbal, L.T, Bazaliy, Ya.B, Kakazei, G.N, Palomares, F.J, Wigen, P.E

“…Magnetic hysteresis of ErFeO sub(3) is investigated in the temperature interval between the compensation point T sub(comp) = 46 K and erbium ordering…”
Get full text

Magnetic Hysteresis in ErFeO 3 Near the Low Temperature Erbium Ordering Transition by Tsymbal, L.T., Bazaliy, Ya.B., Kakazei, G.N., Palomares, F.J., Wigen, P.E.

“…Magnetic hysteresis of ErFeO 3 is investigated in the temperature interval between the compensation point T comp = 46 K and erbium ordering transition at T 12…”
Get full text

Low-field magnetization study of CoFe–Al 2O 3 multilayers by Kakazei, G.N, Pogorelov, Yu.G, Santos, J.A.M, Sousa, J.B, Freitas, P.P, Cardoso, S, Lesnik, N.A, Wigen, P.E

“…Zero-field-cooled (ZFC) and field-cooled (FC) magnetization curves were recorded for a series of ion-beam-deposited metal–insulator CoFe( t)/Al 2O 3(30 Å)…”
Get full text

Low-field magnetization study of CoFe-Al2O3 multilayers by KAKAZEI, G. N, POGORELOV, Yu. G, SANTOS, J. A. M, SOUSA, J. B, FREITAS, P. P, CARDOSO, S, LESNIK, N. A, WIGEN, P. E

Get full text

Current-in-plane transport in granular single layers and multilayers of CoFe in Al 2O 3 by Kakazei, G.N, Pogorelov, Yu.G, Lopes, A.M.L, da Silva, M.A.S, Santos, J.A.M, Sousa, J.B, Cardoso, S, Freitas, P.P, Snoeck, E

“…The dependence of current-in-plane resistance ( R) and magnetoresistance (MR) of Al 2O 3(30 Å)/[Co 80Fe 20(13 Å)/Al 2O 3(30 Å)] n granular layered films on the…”
Get full text

Peculiar CIP transport in CoFe/Al 2O 3 granular layered films across a micro-gap by Santos, J.A.M., Kakazei, G.N., Sousa, J.B., Cardoso, S., Freitas, P.P., Pogorelov, Yu.G., Snoeck, E.

“…Current-in-plane (CIP) transport properties are reported in discontinuous granular layers of CoFe/Al 2O 3 across a 10 μm gap between lithographed Al contacts…”
Get full text

Local structure in CoFe/Al 2O 3 multilayers determined by nuclear magnetic resonance by Lesnik, N.A., Panissod, P., Kakazei, G.N., Pogorelov, Yu.G., Sousa, J.B., Snoeck, E., Cardoso, S., Freitas, P.P., Wigen, P.E.

“…We studied NMR spectra at 1.5 K in a series of [Co 80Fe 20( t)/Al 2O 3(3 nm)] 10 multilayers. The spectra are interpreted by mixed contributions from Co atoms…”
Get full text

Magnetic states of discontinuous Co 80Fe 20–Al 2O 3 multilayers by Sahoo, S., Sichelschmidt, O., Petracic, O., Binek, Ch, Kleemann, W., Kakazei, G.N., Pogorelov, Yu.G., Sousa, J.B., Cardoso, S., Freitas, P.P.

“…Discontinuous metal–insulator multilayers [Co 80Fe 20( t)/Al 2O 3(3 nm)] n were studied by SQUID magnetometry and AC susceptometry. CoFe forms ferromagnetic…”
Get full text

FMR in CoFe/Al 2O 3 multilayers: from continuous to discontinuous regime by Kakazei, G.N., Pogorelov, Yu.G., Sousa, J.B., Golub, V.O., Lesnik, N.A., Cardoso, S., Freitas, P.P.

“…Ferromagnetic resonance (FMR) has been studied in CoFe( t)/Al 2O 3(30 Å) multilayers. With growing nominal thickness t of CoFe layers, transitions from…”
Get full text

AC susceptibility studies of discontinuous Co 80Fe 20/Al 2O 3 multilayers by Kleemann, W, Binek, Ch, Petracic, O, Kakazei, G.N, Pogorelov, Yu.G, Sousa, J.B, Pereira de Azevedo, M.M, Cardoso, S, Freitas, P.P

“…Discontinuous metal–insulator multilayers [Co 80Fe 20( t)/Al 2O 3(3 nm)] 10 are prepared by ion-beam sputtering and investigated by SQUID magnetometry and AC…”
Get full text

Magnetic states of discontinuous Co80Fe20-Al2O3 multilayers by SAHOO, S, SICHELSCHMIDT, O, PETRACIC, O, BINEK, Ch, KLEEMANN, W, KAKAZEI, G. N, POGORELOV, Yu. G, SOUSA, J. B, CARDOSO, S, FREITAS, P. P

Get full text