Effect of Annealing on the Magnetic Properties and Microstructure of NdFeB/Tb Multilayered Films

被引：2
|
作者：
Li, D. S. [1 ]
Suzuki, S. [1 ]
Liu, W. F. [1 ]
Horikawa, T. [1 ]
Machida, K. [1 ]
机构：
[1] Osaka Univ, Ctr Adv Sci & Innovat, Suita, Osaka 5650871, Japan
来源：
IUMRS-ICA 2008 SYMPOSIUM AA. RARE-EARTH RELATED MATERIAL PROCESSING AND FUNCTIONS | 2008年 / 1卷
关键词：
D O I：
10.1088/1757-8981/1/1/012019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic properties of NdFeB/Tb multilayered films annealed at 773-1273K were investigated by evaluating the effect of Tb spacer layer and comparing them with those of NdFeB single layered films. The as-deposited NdFeB/Tb film with a amorphous structure was crystallized at the higher annealing temperature than 923K and Nd-rich phases were formed at 1073 K, meanwhile the coercivity increased substantially. By observations of the microstructure, Tb element was found to diffuse into the Nd-rich phases to form a Tb-enriched phase around the Nd2Fe14B primary phase particles in the multilayered films.
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页数：5
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