Structural and Magnetic Properties of FeNi Films and FeNi-Based Trilayers with Out-of-Plane Magnetization Component

被引：7

作者：

Svalov, Andrey, V ^{[1
]}

Gorkovenko, Alexandr N. ^{[1
]}

Larranaga, Aitor ^{[2
]}

Volochaev, Mikhail N. ^{[3
]}

Kurlyandskaya, Galina, V ^{[1
,4
]}

机构：

[1] Ural Fed Univ, Inst Nat Sci & Math, Ekaterinburg 620002, Russia

[2] Univ Basque Country, Adv Res Facil SGIKER, UPV EHU, Bilbao 48080, Spain

[3] Kirensky Inst Phys FRS KSC SB RAS, Krasnoyarsk 660036, Russia

[4] Univ Basque Country, Dept Elect & Elect, UPV EHU, Bilbao 48080, Spain

来源：

SENSORS | 2022年 / 22卷 / 21期

基金：

俄罗斯科学基金会;

关键词：

magnetic field sensors; permalloy; crystal structure; perpendicular magnetic anisotropy; stripe domains; transcritical" state; columnar microstructure; PERMALLOY-FILMS; STRIPE DOMAINS; THIN-FILMS; DEPOSITION; ANISOTROPY; THICKNESS; STRESS; LAYER;

D O I：

10.3390/s22218357

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

FeNi films of different thickness and FeNi/(Fe, Co)/FeNi trilayers were prepared by magnetron sputtering deposition onto glass substrates. The permalloy films had a columnar microstructure. The detailed analysis of the magnetic properties based on the magnetic and magneto-optical measurements showed that at thicknesses exceeding a certain critical thickness, hysteresis loops acquire a specific shape and the coercive force of the films increase sharply. The possibility of the estimation of the perpendicular magnetic anisotropy constant using the Murayama equation for the thickness dependence of saturation field was demonstrated. The results of studies of the structural and magnetic properties of FeNi films laminated by Fe and Co spacers with different thickness are presented.

引用

页数：10

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