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Vibrational propert...
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Xu, H.Chinese Academy of Sciences
(author)
Vibrational properties of epitaxial Bi4Te3 films as studied by Raman spectroscopy
- Article/chapterEnglish2015
Publisher, publication year, extent ...
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AIP Publishing,2015
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:89f93c43-49ad-4697-8a68-5d1b19a87ecd
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https://doi.org/10.1063/1.4928217DOI
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https://research.chalmers.se/publication/222642URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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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 of Bi4Te3 films completely resolve the six predicted Raman-active phonon modes for the first time. Structural features and Raman tensors of Bi4Te3 films are introduced. According to the wavenumbers and assignments of the six eigenpeaks in the Raman spectra of Bi4Te3 films, it is found that the Raman-active phonon oscillations in Bi4Te3 films exhibit the vibrational properties of those in both Bi and Bi2Te3 films.
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Song, Yuxin,1981Chinese Academy of Sciences(Swepub:cth)yuxin
(author)
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Pan, W. W.Chinese Academy of Sciences
(author)
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Chen, Q.Chinese Academy of Sciences
(author)
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Wu, X.Chinese Academy of Sciences
(author)
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Lu, P. F.Beijing University of Posts and Telecommunications (BUPT)
(author)
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Gong, Q.Chinese Academy of Sciences
(author)
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Wang, Shu Min,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)shumin
(author)
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Chinese Academy of SciencesBeijing University of Posts and Telecommunications (BUPT)
(creator_code:org_t)
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In:AIP Advances: AIP Publishing5:82158-32262158-3226
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Xu, H.
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Song, Yuxin, 198 ...
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Pan, W. W.
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Chen, Q.
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Wu, X.
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Lu, P. F.
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Chalmers University of Technology