On annealing-induced amorphization and anisotropy in a ferromagnetic Fe-based film: A magnetic and property study

被引：36

作者：

Chu, JP ^{[1
]}

Lo, CT

Fang, YK

Han, BS

机构：

[1] Natl Taiwan Ocean Univ, Inst Mat Engn, Chilung 202, Taiwan

[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 01期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2161938

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetic and property characteristics of sputtered Fe65Ti13Co8Ni7B6Nb1 film in as-deposited and annealed conditions are examined. The film is transformed into various nanoscale and amorphous structures during annealing. Fully amorphous structure is obtained at 773-823 K, whereas nanocrystalline gamma-fcc FeNi, cubic Fe(Ni) and FeNi phases evolve sequentially at various temperatures. Amorphization and nanocrystallization yield alterations in electrical, hardness and magnetic properties with good soft magnetic properties obtained at 898 K. Magnetic force images reveal stripe magnetic domain structures at 923-973 K, indicating the presence of the strong stress-induced perpendicular magnetic anisotropy due to the combined effect of the positive magnetostriction and the compressive stress. (c) 2006 American Institute of Physics.

引用

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