Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure

Abstract Van der Waals heterostructures composed of multiple few layer crystals allow the engineering of novel materials with predefined properties. As an example, coupling graphene weakly to materials with large spin–orbit coupling (SOC) allows to engineer a sizeable SOC in graphene via proximity e...

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Autores principales:	Bálint Fülöp, Albin Márffy, Simon Zihlmann, Martin Gmitra, Endre Tóvári, Bálint Szentpéteri, Máté Kedves, Kenji Watanabe, Takashi Taniguchi, Jaroslav Fabian, Christian Schönenberger, Péter Makk, Szabolcs Csonka
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/d923ea410198455b96ec35ae4c008be4
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id	oai:doaj.org-article:d923ea410198455b96ec35ae4c008be4
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spelling	oai:doaj.org-article:d923ea410198455b96ec35ae4c008be42021-12-02T19:17:01ZBoosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure10.1038/s41699-021-00262-92397-7132https://doaj.org/article/d923ea410198455b96ec35ae4c008be42021-09-01T00:00:00Zhttps://doi.org/10.1038/s41699-021-00262-9https://doaj.org/toc/2397-7132Abstract Van der Waals heterostructures composed of multiple few layer crystals allow the engineering of novel materials with predefined properties. As an example, coupling graphene weakly to materials with large spin–orbit coupling (SOC) allows to engineer a sizeable SOC in graphene via proximity effects. The strength of the proximity effect depends on the overlap of the atomic orbitals, therefore, changing the interlayer distance via hydrostatic pressure can be utilized to enhance the interlayer coupling between the layers. In this work, we report measurements on a graphene/WSe2 heterostructure exposed to increasing hydrostatic pressure. A clear transition from weak localization to weak antilocalization is visible as the pressure increases, demonstrating the increase of induced SOC in graphene.Bálint FülöpAlbin MárffySimon ZihlmannMartin GmitraEndre TóváriBálint SzentpéteriMáté KedvesKenji WatanabeTakashi TaniguchiJaroslav FabianChristian SchönenbergerPéter MakkSzabolcs CsonkaNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ChemistryQD1-999ENnpj 2D Materials and Applications, Vol 5, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 Bálint Fülöp Albin Márffy Simon Zihlmann Martin Gmitra Endre Tóvári Bálint Szentpéteri Máté Kedves Kenji Watanabe Takashi Taniguchi Jaroslav Fabian Christian Schönenberger Péter Makk Szabolcs Csonka Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure
description	Abstract Van der Waals heterostructures composed of multiple few layer crystals allow the engineering of novel materials with predefined properties. As an example, coupling graphene weakly to materials with large spin–orbit coupling (SOC) allows to engineer a sizeable SOC in graphene via proximity effects. The strength of the proximity effect depends on the overlap of the atomic orbitals, therefore, changing the interlayer distance via hydrostatic pressure can be utilized to enhance the interlayer coupling between the layers. In this work, we report measurements on a graphene/WSe2 heterostructure exposed to increasing hydrostatic pressure. A clear transition from weak localization to weak antilocalization is visible as the pressure increases, demonstrating the increase of induced SOC in graphene.
format	article
author	Bálint Fülöp Albin Márffy Simon Zihlmann Martin Gmitra Endre Tóvári Bálint Szentpéteri Máté Kedves Kenji Watanabe Takashi Taniguchi Jaroslav Fabian Christian Schönenberger Péter Makk Szabolcs Csonka
author_facet	Bálint Fülöp Albin Márffy Simon Zihlmann Martin Gmitra Endre Tóvári Bálint Szentpéteri Máté Kedves Kenji Watanabe Takashi Taniguchi Jaroslav Fabian Christian Schönenberger Péter Makk Szabolcs Csonka
author_sort	Bálint Fülöp
title	Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure
title_short	Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure
title_full	Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure
title_fullStr	Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure
title_full_unstemmed	Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure
title_sort	boosting proximity spin–orbit coupling in graphene/wse2 heterostructures via hydrostatic pressure
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d923ea410198455b96ec35ae4c008be4
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Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure

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