Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite

Abstract Multi-element two-dimensional (2D) materials hold great promise in the context of tailoring the physical and chemical properties of the materials via stoichiometric engineering. However, the rational and controllable synthesis of complex 2D materials remains a challenge. Herein, we demonstr...

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Autores principales:	Ravi P. N. Tripathi, Jie Gao, Xiaodong Yang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c8e6cc09f5d34fe8b445a6395b95377d
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spelling	oai:doaj.org-article:c8e6cc09f5d34fe8b445a6395b95377d2021-11-14T12:21:56ZAnisotropic optical responses of layered thallium arsenic sulfosalt gillulyite10.1038/s41598-021-01542-62045-2322https://doaj.org/article/c8e6cc09f5d34fe8b445a6395b95377d2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01542-6https://doaj.org/toc/2045-2322Abstract Multi-element two-dimensional (2D) materials hold great promise in the context of tailoring the physical and chemical properties of the materials via stoichiometric engineering. However, the rational and controllable synthesis of complex 2D materials remains a challenge. Herein, we demonstrate the preparation of large-area thin quaternary 2D material flakes via mechanical exfoliation from a naturally occurring bulk crystal named gillulyite. Furthermore, the anisotropic linear and nonlinear optical properties including anisotropic Raman scattering, linear dichroism, and anisotropic third-harmonic generation (THG) of the exfoliated gillulyite flakes are investigated. The observed highly anisotropic optical properties originate from the reduced in-plane crystal symmetry. Additionally, the third-order nonlinear susceptibility of gillulyite crystal is retrieved from the measured thickness-dependent THG emission. We anticipate that the demonstrated strong anisotropic linear and nonlinear optical responses of gillulyite crystal will facilitate the better understanding of light-matter interaction in quaternary 2D materials and its implications in technological innovations such as photodetectors, frequency modulators, nonlinear optical signal processors, and solar cell applications.Ravi P. N. TripathiJie GaoXiaodong YangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ravi P. N. Tripathi Jie Gao Xiaodong Yang Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
description	Abstract Multi-element two-dimensional (2D) materials hold great promise in the context of tailoring the physical and chemical properties of the materials via stoichiometric engineering. However, the rational and controllable synthesis of complex 2D materials remains a challenge. Herein, we demonstrate the preparation of large-area thin quaternary 2D material flakes via mechanical exfoliation from a naturally occurring bulk crystal named gillulyite. Furthermore, the anisotropic linear and nonlinear optical properties including anisotropic Raman scattering, linear dichroism, and anisotropic third-harmonic generation (THG) of the exfoliated gillulyite flakes are investigated. The observed highly anisotropic optical properties originate from the reduced in-plane crystal symmetry. Additionally, the third-order nonlinear susceptibility of gillulyite crystal is retrieved from the measured thickness-dependent THG emission. We anticipate that the demonstrated strong anisotropic linear and nonlinear optical responses of gillulyite crystal will facilitate the better understanding of light-matter interaction in quaternary 2D materials and its implications in technological innovations such as photodetectors, frequency modulators, nonlinear optical signal processors, and solar cell applications.
format	article
author	Ravi P. N. Tripathi Jie Gao Xiaodong Yang
author_facet	Ravi P. N. Tripathi Jie Gao Xiaodong Yang
author_sort	Ravi P. N. Tripathi
title	Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
title_short	Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
title_full	Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
title_fullStr	Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
title_full_unstemmed	Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
title_sort	anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c8e6cc09f5d34fe8b445a6395b95377d
work_keys_str_mv	AT ravipntripathi anisotropicopticalresponsesoflayeredthalliumarsenicsulfosaltgillulyite AT jiegao anisotropicopticalresponsesoflayeredthalliumarsenicsulfosaltgillulyite AT xiaodongyang anisotropicopticalresponsesoflayeredthalliumarsenicsulfosaltgillulyite
_version_	1718429254904971264

Anisotropic optical responses of layered thallium arsenic sulfosalt gillulyite

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