Long valley lifetime of dark excitons in single-layer WSe2

The valley degree of freedom in monolayer transition metal dichalcogenides can be addressed by optical means. Here, the authors develop a waveguide-based method to detect emission from dark excitons in single-layer WSe2, access the valley degree of freedom through the Zeeman effect, and demonstrate...

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Autores principales:	Yanhao Tang, Kin Fai Mak, Jie Shan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/147e7caf07ee42b6b0a44790a39bd2a5
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id	oai:doaj.org-article:147e7caf07ee42b6b0a44790a39bd2a5
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spelling	oai:doaj.org-article:147e7caf07ee42b6b0a44790a39bd2a52021-12-02T16:57:33ZLong valley lifetime of dark excitons in single-layer WSe210.1038/s41467-019-12129-12041-1723https://doaj.org/article/147e7caf07ee42b6b0a44790a39bd2a52019-09-01T00:00:00Zhttps://doi.org/10.1038/s41467-019-12129-1https://doaj.org/toc/2041-1723The valley degree of freedom in monolayer transition metal dichalcogenides can be addressed by optical means. Here, the authors develop a waveguide-based method to detect emission from dark excitons in single-layer WSe2, access the valley degree of freedom through the Zeeman effect, and demonstrate long valley lifetime of charged dark excitons.Yanhao TangKin Fai MakJie ShanNature PortfolioarticleScienceQENNature Communications, Vol 10, Iss 1, Pp 1-7 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Yanhao Tang Kin Fai Mak Jie Shan Long valley lifetime of dark excitons in single-layer WSe2
description	The valley degree of freedom in monolayer transition metal dichalcogenides can be addressed by optical means. Here, the authors develop a waveguide-based method to detect emission from dark excitons in single-layer WSe2, access the valley degree of freedom through the Zeeman effect, and demonstrate long valley lifetime of charged dark excitons.
format	article
author	Yanhao Tang Kin Fai Mak Jie Shan
author_facet	Yanhao Tang Kin Fai Mak Jie Shan
author_sort	Yanhao Tang
title	Long valley lifetime of dark excitons in single-layer WSe2
title_short	Long valley lifetime of dark excitons in single-layer WSe2
title_full	Long valley lifetime of dark excitons in single-layer WSe2
title_fullStr	Long valley lifetime of dark excitons in single-layer WSe2
title_full_unstemmed	Long valley lifetime of dark excitons in single-layer WSe2
title_sort	long valley lifetime of dark excitons in single-layer wse2
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/147e7caf07ee42b6b0a44790a39bd2a5
work_keys_str_mv	AT yanhaotang longvalleylifetimeofdarkexcitonsinsinglelayerwse2 AT kinfaimak longvalleylifetimeofdarkexcitonsinsinglelayerwse2 AT jieshan longvalleylifetimeofdarkexcitonsinsinglelayerwse2
_version_	1718382487896326144

Long valley lifetime of dark excitons in single-layer WSe2

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