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Structure, Magnetic Properties, and Coercivity Mechanism of Rapidly Quenched MnxGa Ribbons
Gong, Wenjie; Zhao, Xinguo; Fan, Wen; Feng, Junning; Lin, Anli; He, Jian; Liu, Wei; Zhang, Zhidong; wjgong@nim.ac.cn
2015
Source PublicationIEEE TRANSACTIONS ON MAGNETICS
ISSN0018-9464
Volume51Issue:11Pages:-
AbstractThe microstructure, magnetic properties, and coercivity mechanism of rapidly quenched rare-earth-free L1(0)-Mn1.86Ga and D0(22)-Mn3Ga permanent magnetic ribbons have been investigated. The high remanence M-r of 61.3 emu/g and maximum energy product of 2.1 MGOe are obtained in L1(0)-Mn1.86Ga ribbons. The coercivity H-C of L1(0)-Mn1.86Ga and D0(22)-Mn3Ga is 2.7 and 6.9 kOe, respectively. The different coercivity mechanisms and exchange coupling behavior have been discussed, upon the measurement of minor loops and Henkel plots. The minor second phase at grain boundaries in L1(0)-Mn1.86Ga ribbons may act as a pinning center of domain wall, thus reduce the exchange coupling. Both ribbons with Curie temperature > 700 K may be promising permanent magnets at room temperature.
description.department[gong, wenjie ; fan, wen ; lin, anli ; he, jian] natl inst metrol, beijing 100029, peoples r china ; [zhao, xinguo ; feng, junning ; liu, wei ; zhang, zhidong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordCoercivity Mechanism Magnetic Properties Mnga Melt Ribbons Permanent Magnets
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75138
Collection中国科学院金属研究所
Corresponding Authorwjgong@nim.ac.cn
Recommended Citation
GB/T 7714
Gong, Wenjie,Zhao, Xinguo,Fan, Wen,et al. Structure, Magnetic Properties, and Coercivity Mechanism of Rapidly Quenched MnxGa Ribbons[J]. IEEE TRANSACTIONS ON MAGNETICS,2015,51(11):-.
APA Gong, Wenjie.,Zhao, Xinguo.,Fan, Wen.,Feng, Junning.,Lin, Anli.,...&wjgong@nim.ac.cn.(2015).Structure, Magnetic Properties, and Coercivity Mechanism of Rapidly Quenched MnxGa Ribbons.IEEE TRANSACTIONS ON MAGNETICS,51(11),-.
MLA Gong, Wenjie,et al."Structure, Magnetic Properties, and Coercivity Mechanism of Rapidly Quenched MnxGa Ribbons".IEEE TRANSACTIONS ON MAGNETICS 51.11(2015):-.
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