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Investigation of electron-phonon coupling in epitaxial silicene by in situ Raman spectroscopy
Zhuang, JC; Xu, X; Du, Y; Wu, KH; Chen, L; Hao, WC; Wang, JO; Yeoh, WK; Wang, XL; Dou, SX; Wang JO(王嘉鸥)
2015
发表期刊PHYSICAL REVIEW B
卷号91期号:16页码:161409
文章类型Article
摘要We report that the special coupling between Dirac fermion and lattice vibrations, in other words, electron-phonon coupling (EPC), in silicene layers on an Ag(111) surface was probed by in situ Raman spectroscopy. We find the EPC is significantly modulated due to tensile strain, which results from the lattice mismatch between silicene and the substrate, and the charge doping from the substrate. The special phonon modes corresponding to two-dimensional electron gas scattering at the edge sites in the silicene were identified. Detecting the relationship between EPC and Dirac fermions through Raman scattering will provide a direct route to investigate the exotic property in buckled two-dimensional honeycomb materials.
学科领域Physics
DOI10.1103/PhysRevB.91.161409
收录类别SCI
WOS类目Physics, Condensed Matter
WOS记录号WOS:000353327100004
引用统计
被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228306
专题多学科研究中心
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GB/T 7714
Zhuang, JC,Xu, X,Du, Y,et al. Investigation of electron-phonon coupling in epitaxial silicene by in situ Raman spectroscopy[J]. PHYSICAL REVIEW B,2015,91(16):161409.
APA Zhuang, JC.,Xu, X.,Du, Y.,Wu, KH.,Chen, L.,...&王嘉鸥.(2015).Investigation of electron-phonon coupling in epitaxial silicene by in situ Raman spectroscopy.PHYSICAL REVIEW B,91(16),161409.
MLA Zhuang, JC,et al."Investigation of electron-phonon coupling in epitaxial silicene by in situ Raman spectroscopy".PHYSICAL REVIEW B 91.16(2015):161409.
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