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Instruments and methods of investigation


Galvanomagnetic and thermomagnetic phenomena in thin metal CoPt films

†  a, b, ‡  b, §  b, *  a, b, #  b,  a, b
a Lobachevsky State University of Nizhny Novgorod (National Research University), prosp. Gagarina 23, Nizhny Novgorod, 603950, Russian Federation
b Scientific-Research Physicotechnical Institute at the Nizhnii Novgorod State University, prosp. Gagarina 23, korp. 3, Nizhnii Novgorod, 603600, Russian Federation

The paper presents the results of a study of the magnetic field dependences of the Hall and Nernst—Ettingshausen coefficients in a wide temperature range of 10—370 K in a thin ferromagnetic CoPt film formed on a semi-insulating gallium arsenide substrate by electron beam evaporation in a vacuum. The presence of the dominant contribution of the anomalous component of the effects in the entire investigated temperature range is shown. The experimentally obtained temperature dependences of the amplitude of the effects are presented, and they are compared with the theoretical model.

Fulltext pdf (392 KB)
Fulltext is also available at DOI: 10.3367/UFNe.2021.11.039108
Keywords: Hall effect, Nernst—Ettingshausen effect, spin-dependent scattering, scattering factor, spintronics
PACS: 73.50.Jt, 85.75.−d, 85.80.Lp (all)
DOI: 10.3367/UFNe.2021.11.039108
URL: https://ufn.ru/en/articles/2023/3/d/
001096986400001
2-s2.0-85182895003
2023PhyU...66..312K
Citation: Kuznetsov Yu M, Dorokhin M V, Zdoroveyshchev A V, Kudrin A V, Demina P B, Zdoroveyshchev D A "Galvanomagnetic and thermomagnetic phenomena in thin metal CoPt films" Phys. Usp. 66 312–319 (2023)
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Received: 23rd, August 2021, revised: 19th, November 2021, 25th, November 2021

Оригинал: Кузнецов Ю М, Дорохин М В, Здоровейщев А В, Кудрин А В, Дёмина П Б, Здоровейщев Д А «Гальваномагнитные и термомагнитные явления в тонких металлических плёнках CoPt» УФН 193 331–339 (2023); DOI: 10.3367/UFNr.2021.11.039108

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