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Granularity Controlled Nonsaturating Linear Magnetoresistance in Topological Insulator Bi2Te3 Films
Z. H. Wang; L. Yang; X. J. Li; X. T. Zhao; H. L. Wang; Z. D. Zhang; X. P. A. Gao
2014
Source PublicationNano Letters
ISSN1530-6984
Volume14Issue:11Pages:6510-6514
AbstractWe report on the magnetotransport properties of chemical vapor deposition grown films of interconnected Bi2Te3 nanoplates. Similar to many other topological insulator (TI) materials, these granular Bi2Te3 films exhibit a linear magnetoresistance (LMR) effect which has received much recent attention. Studying samples with different degree of granularity, we find a universal correlation between the magnitude of the LMR and the average mobility (mu) of the films over nearly 2 orders of magnitude change of mu . The granularity controlled LMR effect here is attributed to the mobility fluctuation induced classical LMR according to the Parish-Littlewood theory. These findings have implications to both the fundamental understanding and magnetoresistive device applications of TI and small bandgap semiconductor materials.
description.department[wang, z. h. ; yang, l. ; li, x. j. ; zhao, x. t. ; wang, h. l. ; zhang, z. d.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [gao, xuan p. a.] case western reserve univ, dept phys, cleveland, oh 44106 usa. ; zhang, zd (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; zdzhang@imr.ac.cn ; xuan.gao@case.edu
KeywordTopological Insulator Nanoplate Magnetoresistance Granularity Thin Film Surface Conduction Quantum
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73435
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. H. Wang,L. Yang,X. J. Li,et al. Granularity Controlled Nonsaturating Linear Magnetoresistance in Topological Insulator Bi2Te3 Films[J]. Nano Letters,2014,14(11):6510-6514.
APA Z. H. Wang.,L. Yang.,X. J. Li.,X. T. Zhao.,H. L. Wang.,...&X. P. A. Gao.(2014).Granularity Controlled Nonsaturating Linear Magnetoresistance in Topological Insulator Bi2Te3 Films.Nano Letters,14(11),6510-6514.
MLA Z. H. Wang,et al."Granularity Controlled Nonsaturating Linear Magnetoresistance in Topological Insulator Bi2Te3 Films".Nano Letters 14.11(2014):6510-6514.
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