Electronic Structure and Properties of the Ground State of Fe–Pt Based Alloys

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The properties of the ground state and the electronic structure of Fe2PtZ (Z = Ga, In, Ge, Si, Sn, Al) and FeRh1 – xPtx in the framework of the density functional theory implemented in the VASP software package alloys have been studied. Densities of electronic states for Fe2PtZ and FePt are obtained. It is shown that in Fe2PtIn and FePt high values of spin polarization are observed. It has been found that with increasing platinum concentration, the staggered antiferromagnetic spin configuration becomes unstable, and in the concentration range above 0.625, the antiferromagnetic configuration with layer-by-layer alternation of magnetic moment directions becomes advantageous. It was found that with a further increase in the platinum concentration, a ferromagnetic phase is observed.

作者简介

O. Pavlukhina

Chelyabinsk State University

Email: pavluhinaoo@mail.ru
Chelyabinsk, 454001 Russia

V. Sokolovskiy

Chelyabinsk State University

Email: pavluhinaoo@mail.ru
Chelyabinsk, 454001 Russia

V. Buchelnikov

Chelyabinsk State University

编辑信件的主要联系方式.
Email: pavluhinaoo@mail.ru
Chelyabinsk, 454001 Russia

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版权所有 © О.О. Павлухина, В.В. Соколовский, В.Д. Бучельников, 2023

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