Quasiparticle and optical properties of strained stanene and stanane

Abstract Quasiparticle band structures and optical properties of two dimensional stanene and stanane (fully hydrogenated stanene) are studied by the GW and GW plus Bethe–Salpeter equation (GW-BSE) approaches, with inclusion of the spin-orbit coupling (SOC). The SOC effect is significant for the elec...

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Autores principales:	Pengfei Lu, Liyuan Wu, Chuanghua Yang, Dan Liang, Ruge Quhe, Pengfei Guan, Shumin Wang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f07cf824eeac4a5c9ad93618a5c84387
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spelling	oai:doaj.org-article:f07cf824eeac4a5c9ad93618a5c843872021-12-02T15:05:57ZQuasiparticle and optical properties of strained stanene and stanane10.1038/s41598-017-04210-w2045-2322https://doaj.org/article/f07cf824eeac4a5c9ad93618a5c843872017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04210-whttps://doaj.org/toc/2045-2322Abstract Quasiparticle band structures and optical properties of two dimensional stanene and stanane (fully hydrogenated stanene) are studied by the GW and GW plus Bethe–Salpeter equation (GW-BSE) approaches, with inclusion of the spin-orbit coupling (SOC). The SOC effect is significant for the electronic and optical properties in both stanene and stanane, compared with their group IV-enes and IV-anes counterparts. Stanene is a semiconductor with a quasiparticle band gap of 0.10 eV. Stanane has a sizable band gap of 1.63 eV and strongly binding exciton with binding energy of 0.10 eV. Under strain, the quasiparticle band gap and optical spectrum of both stanene and stanane are tunable.Pengfei LuLiyuan WuChuanghua YangDan LiangRuge QuhePengfei GuanShumin WangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pengfei Lu Liyuan Wu Chuanghua Yang Dan Liang Ruge Quhe Pengfei Guan Shumin Wang Quasiparticle and optical properties of strained stanene and stanane
description	Abstract Quasiparticle band structures and optical properties of two dimensional stanene and stanane (fully hydrogenated stanene) are studied by the GW and GW plus Bethe–Salpeter equation (GW-BSE) approaches, with inclusion of the spin-orbit coupling (SOC). The SOC effect is significant for the electronic and optical properties in both stanene and stanane, compared with their group IV-enes and IV-anes counterparts. Stanene is a semiconductor with a quasiparticle band gap of 0.10 eV. Stanane has a sizable band gap of 1.63 eV and strongly binding exciton with binding energy of 0.10 eV. Under strain, the quasiparticle band gap and optical spectrum of both stanene and stanane are tunable.
format	article
author	Pengfei Lu Liyuan Wu Chuanghua Yang Dan Liang Ruge Quhe Pengfei Guan Shumin Wang
author_facet	Pengfei Lu Liyuan Wu Chuanghua Yang Dan Liang Ruge Quhe Pengfei Guan Shumin Wang
author_sort	Pengfei Lu
title	Quasiparticle and optical properties of strained stanene and stanane
title_short	Quasiparticle and optical properties of strained stanene and stanane
title_full	Quasiparticle and optical properties of strained stanene and stanane
title_fullStr	Quasiparticle and optical properties of strained stanene and stanane
title_full_unstemmed	Quasiparticle and optical properties of strained stanene and stanane
title_sort	quasiparticle and optical properties of strained stanene and stanane
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/f07cf824eeac4a5c9ad93618a5c84387
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_version_	1718388680003944448

Quasiparticle and optical properties of strained stanene and stanane

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