Length dependence of linear and nonlinear optical properties of finite-length BN(5,0) nanotube

You Zhao Lan, Dong Sheng Wu, Shuping Huang, Juan Shen, Fei Fei Li, Wen Dan Cheng

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Abstract

In this paper, we investigate the length dependence of linear and nonlinear optical properties of finite-length BN nanotubes. The recently predicted smallest BN(5,0) nanotube with configuration stabilization is selected as an example. The energy gap and optical gap show the obvious length dependence with the increase of nanotube length. When the length reaches about 24 , the energy gap will saturate at about 3.2 eV, which agrees well with the corrected quasi-particle energy gap. The third-order polarizabilities increase with the increase of tube length. Two-photon allowed excited states have significant contributions to the third-order polarizabilities of BN(5,0) nanotube.

Original languageEnglish (US)
Article number031
Pages (from-to)1563-1569
Number of pages7
JournalChinese Physics
Volume15
Issue number7
DOIs
StatePublished - Jul 1 2006

Keywords

  • Boron nitride nanotube
  • Length-dependence
  • Optical properties

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    Lan, Y. Z., Wu, D. S., Huang, S., Shen, J., Li, F. F., & Cheng, W. D. (2006). Length dependence of linear and nonlinear optical properties of finite-length BN(5,0) nanotube. Chinese Physics, 15(7), 1563-1569. [031]. https://doi.org/10.1088/1009-1963/15/7/031