Low-field non-resonant microwave absorption in glass-coated Co-rich microwires

被引：3

作者：

Valenzuela, Raul ^{[1
]}

Montiel, Herlinda ^{[2
]}

Alvarez, Guillermo ^{[1
]}

Zamorano, Rafael ^{[3
]}

机构：

[1] Univ Nacl Autonoma Mexico, Dept Mat Met & Ceram, Mexico City 04510, DF, Mexico

[2] Univ Nacl Autonoma Mexico, Depto Tecnociencias, Ctr Ciencias Aplicadas & Desarrollo Tecnol, Mexico City 04510, DF, Mexico

[3] Inst Politecn Nacl, Escuela Super Fis & Matemat, Depto Ciencias Mat, Mexico City 07738, DF, Mexico

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2009年 / 206卷 / 04期

关键词：

AMORPHOUS MICROWIRES; MAGNETIC-MATERIALS; POWER ABSORPTION; COVERED WIRES; MAGNETOIMPEDANCE; RATIO; GHZ;

D O I：

10.1002/pssa.200881268

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A study of low-field non-resonant microwave absorption (LFA) at 9.8 GHz, on as-cast amorphous Co-rich CoFeBSi microwires under different measuring geometries is presented. Results confirm that LFA is associated with the magnetization processes from the unmagnetized state (H-DC = 0) to the saturated condition, in many aspects similar to Giant Magnetoimpedance (GMI), and clearly different from ferromagnetic resonance (FMR). LFA signal showed large variations in its maximum-minimum separation as a function of the measuring geometry, which is interpreted in terms of the total anisotropy in the process. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：652 / 655

页数：4

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