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РАСЧЕТКОЭФФИЦИЕНТА МАГНИТОСОПРОТИВЛЕНИЯ ДЛЯ СТРУКТУРЫ FE/CR С ТВП КОНФИГУРАЦИЕЙ

РАСЧЕТКОЭФФИЦИЕНТА МАГНИТОСОПРОТИВЛЕНИЯ ДЛЯ СТРУКТУРЫ FE/CR С ТВП КОНФИГУРАЦИЕЙ

Abstract

Методами Монте-Карло осуществлен расчет коэффициента магнитосопротивления мультислойной структуры, состоящей из двух ферромагнитных пленок Fe(100), разделенных немагнитной пленкой Cr, для случая ТВП (ток в плоскости пленки) геометрии. Шкала температур задана через величину интеграла обменного взаимодействия, полученного в рамках первопринципных расчетов, J1 = 1,7 · 10-14 эрг. Произведен учет взаимодействия атомов, следующих за ближайшими с константой обменного взаимодействия J2 = 0,7 · 10-14 эрг. Рассчитанная температурная зависимость коэффициента магнитосопротивления находится в хорошем соответствии с экспериментальными данными, полученными для структуры Fe/Cr.

A calculation of magnetoresistance is carried out by Monte Carlo methods for multilayer structure of two ferromagnetic films Fe(100) separated by nonmagnetic film Cr for case with measurements of the current in plane (CIP). The temperature scale is determined in terms of the exchange interaction integral obtained in the first-principles calculations, J1 = 1,7 · 10-14 erg. An interaction of the next-nearest atoms with the constant of exchange interaction J2 = 0,7 · 10 -14 erg is considered. It was shown that calculated temperature dependence of magnetoresistance is in a good agreement with experimental results obtained for similar multilayer magnetic structures.

Keywords

ГИГАНТСКОЕ МАГНИТОСОПРОТИВЛЕНИЕ,МУЛЬТИСЛОЙНЫЕ СТРУКТУРЫ,УЛЬТРАТОНКИЕ МАГНИТНЫЕ ПЛЕНКИ,КОЭФФИЦИЕНТ МАГНИТОСОПРОТИВЛЕНИЯ В ТВП ГЕОМЕТРИИ,МЕТОДЫ МОНТЕ-КАРЛО

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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