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Lattice vibrational spectra of double-helix LiP
Wang, H; Li, TW; Lv, ZL; Ju, WW; Zhao, XY; You, JH; Li, LB; Cai, XW; Han, H;;
Source PublicationEPL
AbstractThe LiP infinite double-helix chain gives us the unique opportunity to investigate the double-helix structure at atomic level. Based on density-functional theory, we investigate the characteristic vibrational modes of this peculiar structure. Differently from single-wall carbon nanotubes, a dipole mode in LiP gives rise to high infrared intensity. Owing to the peculiar double-helix structure of LiP, the frequency of the out-of-phase radical breathing mode is lower than that of the in-phase one. It is similar to the condition of DNA. Furthermore, the out-of-phase breathing mode in LiP, instead of the in-phase one, has the highest Raman intensity. Most importantly, our finding is generally applicable to other double-helix structures. Copyright (C) EPLA, 2014
KeywordInorganic Double-helix Raman-spectroscopy Crystal-structure Dna Scattering Nanotubes Graphene Modes Poly(Da)-Poly(Dt) Twist
Indexed BySCI
WOS IDWOS:000331197100009
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Document Type期刊论文
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GB/T 7714
Wang, H,Li, TW,Lv, ZL,et al. Lattice vibrational spectra of double-helix LiP[J]. EPL,2014,105(1).
APA Wang, H.,Li, TW.,Lv, ZL.,Ju, WW.,Zhao, XY.,...& vibrational spectra of double-helix LiP.EPL,105(1).
MLA Wang, H,et al."Lattice vibrational spectra of double-helix LiP".EPL 105.1(2014).
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