Anomalous Hall study of magnetic topological insulator Cr0.15(Bi0.1Sb0.9)1.85Te3 microflakes

被引：5
|
作者：
Zhang, Shuai [1 ,2 ]
Li, Zhaoguo [1 ,2 ]
Pan, Xingchen [1 ,2 ]
Wang, Xuefeng [3 ]
Song, Fengqi [1 ,2 ]
机构：
[1] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2015年 / 223卷
基金：
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词：
DIRAC-FERMION; THIN-FILMS; SURFACE; FERROMAGNETISM; STATE;
D O I：
10.1016/j.ssc.2015.09.008
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report on the anomalous Hall studies in magnetic topological insulator Cr-0.15(Bi0.1Sb0.9)(1.85)Te-3 microflakes. Using the reversible magnetic field, both the resistance and Hall measurements unveil strong ferromagnetic loops with the Curie temperature of similar to 13 K. The ferromagnetism is believed to be mediated by the bulk p-type carriers of 10(20) cm(-3). The temperature-dependent and resistance-dependent scaling behaviors of the anomalous Hall resistance are analyzed, which indicates obvious suppression due to the electron-phonon interaction. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：45 / 49
页数：5
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