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2D Materials: Thickness‐Dependent Elastic Softening of Few‐Layer Free‐Standing MoSe 2 (Adv. Mater. 23/2021)
Author(s) -
Babacic Visnja,
Saleta Reig David,
Varghese Sebin,
Vasileiadis Thomas,
Coy Emerson,
Tielrooij KlaasJan,
Graczykowski Bartlomiej
Publication year - 2021
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.202170179
Subject(s) - materials science , graphene , softening , monolayer , graphite , composite material , layer (electronics) , pencil (optics) , nanotechnology , optics , physics
Monolayer graphene is stronger than bulk graphite: the elastic properties of graphene are such that it could hypothetically withstand an elephant balancing on a pencil. A contactless optical technique, reported by Bartlomiej Graczykowski and co‐workers in article number 2008614 now shows that this is not the case for MoSe 2 , an attractive semiconducting 2D material. This material becomes significantly softer by reducing its thickness from bulk to a few layers.

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