Effect of Cobalt Doping on Bi1-xSbx Nano Particles

被引：0
|
作者：
Afzal, Hasan [1 ]
Bera, Sumit [1 ]
Mishra, A. K. [1 ]
Kaushik, Vinay [1 ]
Venkatesh, R. [1 ]
机构：
[1] UGC DAE Consortium Sci Res, Low Temp Lab, Univ Campus,Khandwa Rd, Indore 452001, MP, India
来源：
PROF. DINESH VARSHNEY MEMORIAL NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS (NCPCM 2018) | 2019年 / 2100卷
关键词：
D O I：
10.1063/1.5098681
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Apart from thermoelectric applications, Bi(1-x)Sb(x)is also known to exhibit exotic topological phase in the range (0.07<x<0.22). In the present work, influence of magnetic doping such as Cobalt in Structural, morphological and magneto transport properties of topological insulator Bi(1-x)Sb(x)nano particles is investigated. Resistivity measurements showa change from metallic behaviourin un doped sample to insulatingbehaviourin the Cobalt doped samples at low applied magnetic field and low temperature. Also, for temperatures up to 5K, field dependent magneto resistance in un doped sample shows a prominent dip around zero field which is seen to be destroyed due to cobalt doping. These results are indicative of the destruction of WAL at low temperature on account of magnetic doping.
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页数：3
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