Vibrational properties of epitaxial Bi4Te3 films as studied by Raman spectroscopy

Bi4Te3, as one of the phases of the binary Bi–Te system, shares many similarities with Bi2Te3, which is known as a topological insulator and thermoelectric material. We report the micro-Raman spectroscopy study of 50 nm Bi4Te3 films on Si substrates prepared by molecular beam epitaxy. Raman spectra...

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Bibliographic Details
Main Authors: Hao Xu, Yuxin Song, Wenwu Pan, Qimiao Chen, Xiaoyan Wu, Pengfei Lu, Qian Gong, Shumin Wang
Format: Article
Language:English
Published: AIP Publishing LLC 2015-08-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4928217