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Giant Linear Magnetoresistance and Carrier Density Tunable Transport in Topological Crystalline Insulator SnTe Thin Film
Wei, Feng; Gao, Xuan P. A.; Ma, Song; Zhang, Zhidong
2019-10-01
Source PublicationPHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
ISSN0370-1972
Volume256Issue:10
AbstractCarrier density control is of great importance to modulate the topological phase and topological transport for the topological crystalline insulators (TCIs). Here, the transport property modulation of TCI SnTe thin films grown on SrTiO3 (111) by tuning the carrier density is reported. The low temperature magneto-transport in a typical SnTe film with high hole carrier density in the as grown films exhibits a giant linear magnetoresistance (GLMR) effect (up to 1849% at 2K under 14T) and then the magnetoresistance becomes much weaker and weak anti-localization (WAL) appears in the same SnTe film by n-type doping in vacuum after aging 30 days. Alternatively, the hole carrier density of the as grown SnTe films is lowered by enhancing the growth temperature to promote Sn diffusion to reduce Sn vacancies and the as grown samples exhibit a WAL with two-dimensional (2D) characteristics. This work provides promising application for magnetoelectronic sensors and spintronics based on TCI SnTe thin film.
Keywordcarrier density giant linear magnetoresistance SnTe topological crystalline insulators weak antilocalization
Indexed BySCI
Language英语
WOS IDWOS:000495371400027
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80720
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wei, Feng,Gao, Xuan P. A.,Ma, Song,et al. Giant Linear Magnetoresistance and Carrier Density Tunable Transport in Topological Crystalline Insulator SnTe Thin Film[J]. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS,2019,256(10).
APA Wei, Feng,Gao, Xuan P. A.,Ma, Song,&Zhang, Zhidong.(2019).Giant Linear Magnetoresistance and Carrier Density Tunable Transport in Topological Crystalline Insulator SnTe Thin Film.PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS,256(10).
MLA Wei, Feng,et al."Giant Linear Magnetoresistance and Carrier Density Tunable Transport in Topological Crystalline Insulator SnTe Thin Film".PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 256.10(2019).
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