{"title":"Magnetic Properties of bcc FeRh1-xMx Systems","authors":"S. Yuasa;Y. Otani;H. Miyajima;A. Sakuma","doi":"10.1109/TJMJ.1994.4565981","DOIUrl":null,"url":null,"abstract":"The magnetic properties of ordered bcc FeRh\n<inf>1-x</inf>\nM\n<inf>x</inf>\n alloys (M=Fe, Co, Ni, Pd, Ir and Pt) were studied, in terms of correlations among the antiferromagnetic-ferromagnetic transition temperature T\n<inf>0</inf>\n, Curie temperature, magnetization, and lattice constant. Substitution of the 3d element M for Rh diminishes the transition temperature T\n<inf>0</inf>\n, since the large magnetic moment of the M atom stabilizes the ferromagnetism. Moreover, a first-order antiferromagnetic-paramagnetic transition was observed in an FeRh\n<inf>1-x</inf>\nIr\n<inf>x</inf>\n system. The mechanism of such first-order phase transitions can be explained phenomenologically by introducing magneto-volume coupling into a model based on the SCR theory. The ground state properties of FeRh and FeRh\n<inf>1-x</inf>\nPd\n<inf>x</inf>\n are well explained by first-principle band calculations based on the linearized muffin-tin orbital method.","PeriodicalId":100647,"journal":{"name":"IEEE Translation Journal on Magnetics in Japan","volume":"9 6","pages":"202-209"},"PeriodicalIF":0.0000,"publicationDate":"1994-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TJMJ.1994.4565981","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Translation Journal on Magnetics in Japan","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/4565981/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 14
Abstract
The magnetic properties of ordered bcc FeRh
1-x
M
x
alloys (M=Fe, Co, Ni, Pd, Ir and Pt) were studied, in terms of correlations among the antiferromagnetic-ferromagnetic transition temperature T
0
, Curie temperature, magnetization, and lattice constant. Substitution of the 3d element M for Rh diminishes the transition temperature T
0
, since the large magnetic moment of the M atom stabilizes the ferromagnetism. Moreover, a first-order antiferromagnetic-paramagnetic transition was observed in an FeRh
1-x
Ir
x
system. The mechanism of such first-order phase transitions can be explained phenomenologically by introducing magneto-volume coupling into a model based on the SCR theory. The ground state properties of FeRh and FeRh
1-x
Pd
x
are well explained by first-principle band calculations based on the linearized muffin-tin orbital method.
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