Concurrent magnetic and metal-insulator transitions in Eu1-xSmxB6 single crystals

被引：2
|
作者：
Yeo, S. [2 ]
Bunder, J. E. [3 ,4 ]
Lin, Hsiu-Hau [3 ,4 ]
Jung, Myung-Hwa [1 ]
Lee, Sung-Ik [1 ]
机构：
[1] Sogang Univ, Dept Phys, Seoul 121742, South Korea
[2] Korea Atom Energy Res Inst, Taejon, South Korea
[3] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan
[4] Natl Ctr Theoret Sci, Hsinchu 300, Taiwan
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 04期
关键词：
antiferromagnetic materials; doping; europium compounds; ferromagnetic materials; ferromagnetic-antiferromagnetic transitions; metal-insulator transition; samarium; POLARON; SEMICONDUCTOR; SCATTERING; TRANSPORT;
D O I：
10.1063/1.3077023
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effects of magnetic doping on a EuB6 single crystal were investigated based on magnetic and transport measurements. A modest 5% Sm substitution for Eu changes the magnetic and transport properties dramatically and gives rise to concurrent antiferromagnetic and metal-insulator transitions (MITs) from ferromagnetic MIT for EuB6. Magnetic doping simultaneously changes the itinerant carrier density and the magnetic interactions. We discuss the origin of the concurrent magnetic MIT in Eu1-xSmxB6.
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页数：3
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