Phase transition and magnetic properties of supercooled Al-Ge-TM (TM = Cr, Fe, Co) alloys

被引：1

作者：

Yokoyama, Y ^{[1
]}

Yamada, Y ^{[1
]}

Yamaguchi, A ^{[1
]}

Matono, K ^{[1
]}

Fukaura, K ^{[1
]}

Sunada, H ^{[1
]}

机构：

[1] Himeji Inst Technol, Fac Engn, Himeji, Hyogo 6712201, Japan

来源：

MATERIALS TRANSACTIONS JIM | 1998年 / 39卷 / 04期

关键词：

icosahedral or decagonal quasicrystal; amorphous; aluminum-germanium-transition metal alloy system; Curie-Weiss paramagnetism; spinglass; ferromagnetism;

D O I：

10.2320/matertrans1989.39.433

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Formation criteria and magnetic properties of rapidly solidified Al-Ge-TM (TM=Cr, Fe and Co) alloys were examined. The phase changes from amorphous, icosahedral, and decagonal, to approximant crystalline, corresponding to TM as Cr (Ge rich), Cr, Fe and Co, respectively, in the rapidly solidified AI-Ge-TM alloys. Thermomagnetic curves indicate that for the systematically variation of the magnetic ordered phases, Al40Ge40Cr20 amorphous, Al60Ge20Cr20 icosahedral, Al50Ge20Fe30 decagonal and Al60Ge10Co30 approximant crystalline alloys were identified to be of ferromagnetism, mictomagnetism, Curie-Weiss paramagnetism and Pauli paramagnetism, respectively.

引用

页码：433 / 438

页数：6

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