Tunable magnetic orders in UAu1-xSb2

doi:10.1088/1674-1056/28/1/017102

中国物理B ›› 2019, Vol. 28 ›› Issue (1): 17102-017102.doi: 10.1088/1674-1056/28/1/017102

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Tunable magnetic orders in UAu_1-xSb₂

Wen Zhang(张文), Qiu-Yun Chen(陈秋云), Dong-Hua Xie(谢东华), Yi Liu(刘毅), Shi-Yong Tan(谭世勇), Wei Feng(冯卫), Xie-Gang Zhu(朱燮刚), Qun-Qing Hao(郝群庆), Yun Zhang(张云), Li-Zhu Luo(罗丽珠), Xin-Chun Lai(赖新春)

Science and Technology on Surface Physics and Chemistry Laboratory, Mianyang 621908, China

收稿日期:2018-09-04 修回日期:2018-11-07 出版日期:2019-01-05 发布日期:2019-01-05
通讯作者: Xin-Chun Lai E-mail:laixinchun@caep.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11874330, 11504342, 11504341, and U1630248), the National Key R&D Program of China (Grant No. 2017YFA0303104), and the Science Challenge Project, China (Grant No. TZ2016004).

Tunable magnetic orders in UAu_1-xSb₂

Science and Technology on Surface Physics and Chemistry Laboratory, Mianyang 621908, China

Received:2018-09-04 Revised:2018-11-07 Online:2019-01-05 Published:2019-01-05
Contact: Xin-Chun Lai E-mail:laixinchun@caep.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11874330, 11504342, 11504341, and U1630248), the National Key R&D Program of China (Grant No. 2017YFA0303104), and the Science Challenge Project, China (Grant No. TZ2016004).

摘要/Abstract

摘要：

Two nonstoichiometric UAu_1-xSb₂ (x=0.25, 0.1) single crystals are successfully synthesized using a flux method, and their physical properties are comprehensively studied by measuring the dc-magnetization and electrical resistivity. Evidence for at least three magnetic phases is found in these samples. In zero field, both samples undergo an antiferromagnetic transition at a relatively high temperature, and with further cooling they pass through another antiferromagnetic phase, before reaching a ferromagnetic ground state. Furthermore, the magnetic order can be tuned by varying the site occupation of Au. Such a tunable magnetic order may provide an opportunity for exploring the potential quantum critical behavior in this system.

关键词: tunable magnetic order, metamagenetic transitions, UAu_1-xSb₂

Abstract:

Key words: tunable magnetic order, metamagenetic transitions, UAu_1-xSb₂

中图分类号: (Valence fluctuation, Kondo lattice, and heavy-fermion phenomena)

75.30.Mb

75.20.Hr (Local moment in compounds and alloys; Kondo effect, valence fluctuations, heavy fermions) 71.27.+a (Strongly correlated electron systems; heavy fermions)

张文, 陈秋云, 谢东华, 刘毅, 谭世勇, 冯卫, 朱燮刚, 郝群庆, 张云, 罗丽珠, 赖新春. Tunable magnetic orders in UAu_1-xSb₂[J]. 中国物理B, 2019, 28(1): 17102-017102.

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Tunable magnetic orders in UAu_1-xSb₂

Tunable magnetic orders in UAu_1-xSb₂

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