Magnetic hyperfine field in the Heusler alloys Co(2)YZ (Y=V,Nb,Ta,Cr; Z=Al,Ga)

被引：98

作者：

Carbonari, AW ^{[1
]}

Saxena, RN ^{[1
]}

Pendl, W ^{[1
]}

Mestnik, J ^{[1
]}

Attili, RN ^{[1
]}

OlzonDionysio, M ^{[1
]}

deSouza, SD ^{[1
]}

机构：

[1] UNIV FED SAO CARLOS,DEPT FIS,BR-13560 SAO CARLOS,SP,BRAZIL

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1996年 / 163卷 / 03期

基金：

巴西圣保罗研究基金会;

关键词：

Heusler alloys; magnetic hyperfine field; perturbed angular correlation; BaF; detectors; radioactive probe;

D O I：

10.1016/S0304-8853(96)00338-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnetic hyperfine field (mhf) acting on a Ta-181 probe dilutely substituted at the non-magnetic transition element site has been investigated in the Heusler alloys Co2VGa, Co2NbGa, Co2TaAl and Co2CrAl by TDPAC measurements utilizing the 133-482 keV gamma-gamma cascade in Ta-181 following the beta(-) decay of Hf-181. The results are discussed in terms of the mhf systematics in the cobalt-based Heusler alloys, and are compared with theoretical predictions based on the Blandin and Campbell model.

引用

页码：313 / 321

页数：9

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