Clean, cleaved surfaces of the photovoltaic perovskite

Abstract The surface of a material is not only a window into its bulk physical properties, but also hosts unique phenomena important for understanding the properties of a solid as a whole. Surface sensitive techniques, like ARPES (Angle-resolved photoemission spectroscopy), STM (Scanning tunneling m...

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Autores principales:	Márton Kollár, Luka Ćirić, J. Hugo Dil, Andrew Weber, Stefan Muff, Henrik M. Ronnow, Bálint Náfrádi, Benjamin Pierre Monnier, Jeremy Scott Luterbacher, László Forró, Endre Horváth
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/296dec7021f2470aa510b962f095afdf
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spelling	oai:doaj.org-article:296dec7021f2470aa510b962f095afdf2021-12-02T12:30:36ZClean, cleaved surfaces of the photovoltaic perovskite10.1038/s41598-017-00799-02045-2322https://doaj.org/article/296dec7021f2470aa510b962f095afdf2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00799-0https://doaj.org/toc/2045-2322Abstract The surface of a material is not only a window into its bulk physical properties, but also hosts unique phenomena important for understanding the properties of a solid as a whole. Surface sensitive techniques, like ARPES (Angle-resolved photoemission spectroscopy), STM (Scanning tunneling microscopy), AFM (Atomic force microscopy), pump-probe optical measurements etc. require flat, clean surfaces. These can be obtained by cleaving, which is usually possible for layered materials. Such measurements have proven their worth by providing valuable information about cuprate superconductors, graphene, transition metal dichalcogenides, topological insulators and many other novel materials. Unfortunately, this was so far not the case for the cubic, organo-metallic photovoltaic perovskite which morsels during the cleavage. Here we show a method which results in flat, clean surfaces of CH3NH3PbBr3 which allows surface sensitive measurements, badly needed for the understanding and further engineering of this material family.Márton KollárLuka ĆirićJ. Hugo DilAndrew WeberStefan MuffHenrik M. RonnowBálint NáfrádiBenjamin Pierre MonnierJeremy Scott LuterbacherLászló ForróEndre HorváthNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-4 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Márton Kollár Luka Ćirić J. Hugo Dil Andrew Weber Stefan Muff Henrik M. Ronnow Bálint Náfrádi Benjamin Pierre Monnier Jeremy Scott Luterbacher László Forró Endre Horváth Clean, cleaved surfaces of the photovoltaic perovskite
description	Abstract The surface of a material is not only a window into its bulk physical properties, but also hosts unique phenomena important for understanding the properties of a solid as a whole. Surface sensitive techniques, like ARPES (Angle-resolved photoemission spectroscopy), STM (Scanning tunneling microscopy), AFM (Atomic force microscopy), pump-probe optical measurements etc. require flat, clean surfaces. These can be obtained by cleaving, which is usually possible for layered materials. Such measurements have proven their worth by providing valuable information about cuprate superconductors, graphene, transition metal dichalcogenides, topological insulators and many other novel materials. Unfortunately, this was so far not the case for the cubic, organo-metallic photovoltaic perovskite which morsels during the cleavage. Here we show a method which results in flat, clean surfaces of CH3NH3PbBr3 which allows surface sensitive measurements, badly needed for the understanding and further engineering of this material family.
format	article
author	Márton Kollár Luka Ćirić J. Hugo Dil Andrew Weber Stefan Muff Henrik M. Ronnow Bálint Náfrádi Benjamin Pierre Monnier Jeremy Scott Luterbacher László Forró Endre Horváth
author_facet	Márton Kollár Luka Ćirić J. Hugo Dil Andrew Weber Stefan Muff Henrik M. Ronnow Bálint Náfrádi Benjamin Pierre Monnier Jeremy Scott Luterbacher László Forró Endre Horváth
author_sort	Márton Kollár
title	Clean, cleaved surfaces of the photovoltaic perovskite
title_short	Clean, cleaved surfaces of the photovoltaic perovskite
title_full	Clean, cleaved surfaces of the photovoltaic perovskite
title_fullStr	Clean, cleaved surfaces of the photovoltaic perovskite
title_full_unstemmed	Clean, cleaved surfaces of the photovoltaic perovskite
title_sort	clean, cleaved surfaces of the photovoltaic perovskite
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/296dec7021f2470aa510b962f095afdf
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Clean, cleaved surfaces of the photovoltaic perovskite

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