BiS2-Layer Gives Giant Birefringence: First-Principles Calculations

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摘要 Birefringenceattractsincreasingattentionduetoitsextensiveapplicationsintheimagingspectrometer,laserdevicesandopticalcomponents.Stimulatedbythediscoveryofthegiantbirefringence(GBF)inLaOBiS_2andAFBiS2,weexploreitsoriginbycheckingthreecompoundswithandwithouttheBiS_2layer:Bi_2OS_2(i.e.,BiOBiS_2),Bi_2O_2SandLaOAlS_2.ItisdemonstratedthatGBFappearsonlyinthecompoundswiththeBiS_2layerandisfurthermoreconfirmedinMOBiS_2(M=AI,Ga,InandSc)compounds.Theresultisusefulfordiscovering/developingnew-typebirefringentcrystalorevenmultifunctionalmaterials.
作者 王海
机构地区 不详
出版日期 2016年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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