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Ambipolar Surface Conduction in Ternary Topological Insulator Bi-2(Te1-xSex)(3) Nanoribbons
Z. H. Wang; R. L. J. Qiu; C. H. Lee; Z. D. Zhang; X. P. A. Gao
2013
Source PublicationAcs Nano
ISSN1936-0851
Volume7Issue:3Pages:2126-2131
AbstractWe report the composition- and gate voltage-Induced tuning of transport properties In chemically synthesized Bi-2(Te1-xSex)(3) nanoribbons. It is found that Increasing Se concentration effectively suppresses the bulk carrier transport and induces semiconducting behavior in the temperature-dependent resistance of Bi-2(Te1-xSex)(3) nanoribbons when xis greater than similar to 10%. In Bi-2(Te1-xSex)(3) nanoribbons with x approximate to 20%, gate voltage enables ambipolar modulation of resistance (or conductance) In samples with thicknesses around or larger than 100 nm, Indicating significantly enhanced contribution In transport from the gapless surface states.
description.department[wang, zhenhua ; zhang, zhidong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [wang, zhenhua ; zhang, zhidong] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. [wang, zhenhua ; qiu, richard l. j. ; lee, chee huei ; gao, xuan p. a.] case western reserve univ, dept phys, cleveland, oh 44106 usa. ; gao, xpa (reprint author), case western reserve univ, dept phys, cleveland, oh 44106 usa. ; xuan.gao@case.edu
KeywordTopological Insulator Ambipolar Conduction Nanoribbon Bismuth Selenide Bismuth Telluride Single Dirac Cone Bi2se3 Bi2te3 States Limit
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71568
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. H. Wang,R. L. J. Qiu,C. H. Lee,et al. Ambipolar Surface Conduction in Ternary Topological Insulator Bi-2(Te1-xSex)(3) Nanoribbons[J]. Acs Nano,2013,7(3):2126-2131.
APA Z. H. Wang,R. L. J. Qiu,C. H. Lee,Z. D. Zhang,&X. P. A. Gao.(2013).Ambipolar Surface Conduction in Ternary Topological Insulator Bi-2(Te1-xSex)(3) Nanoribbons.Acs Nano,7(3),2126-2131.
MLA Z. H. Wang,et al."Ambipolar Surface Conduction in Ternary Topological Insulator Bi-2(Te1-xSex)(3) Nanoribbons".Acs Nano 7.3(2013):2126-2131.
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