Magnetic Anisotropy in Thin Films of FePt Detected by the Ferromagnetic Resonance Method

被引：0
|
作者：
Dmitriev, A., I [1 ,2 ]
Kulikov, A., V [1 ]
Gilmutdinov, I. F. [3 ]
Dremova, N. N. [1 ]
Mazitov, A. A. [1 ]
Dmitrieva, M. S. [1 ,2 ]
Alekseev, S., I [4 ]
Myagkov, V. G. [5 ]
机构：
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] Russian Univ Transport, Moscow 127994, Russia
[3] Kazan Fed Univ, Kazan 420008, Russia
[4] Plekhanov Russian Univ Econ, Moscow 117997, Russia
[5] Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
来源：
JOURNAL OF SURFACE INVESTIGATION | 2019年 / 13卷 / 02期
关键词：
FePt thin films; ferromagnetic resonance; magnetic anisotropy;
D O I：
10.1134/S102745101902006X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
FePt thin films are made via the heat treatment of structures containing Pt (001) and Fe (001) epitaxial layers. X-ray spectral analysis and field-emission scanning electron microscopy show that the samples contain the cubic L1(2)-Fe3Pt phase and the tetragonal L1(0)-FePt phase. The magnetic anisotropy of the thin films is studied by ferromagnetic resonance and magnetometric methods. The contributions from the cubic and tetragonal phases to the ferromagnetic-resonance spectrum of the sample are distinguished. The key characteristics of thin films which determine their practical applicability are determined: the Gilbert damping parameter G 0.4, the first and second crystal anisotropy constants K-1 perpendicular to = -4.08 x 10(6) erg/cm(3), K-2 perpendicular to = 1.34x 10(6) erg/cm(3), K-2|| = -9.76 x 10(4) erg/cm(3).
引用
收藏
页码：210 / 214
页数：5
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