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Determination of Youngs Modulus of Ultrathin Nanomaterials

Chen, Yujie; Gao, Qiang; Wang, Yan-Bo; An, Xianghai; Liao, Xiao-Zhou; Mai, Yiu-Wing; Zou, Jin; Ringer, Simon P.; Jagadish, Chennupati; Tan, Hark Hoe


Determination of the elastic modulus of nanostructures with sizes at several nm range is a challenge. In this study, we designed an experiment to measure the elastic modulus of amorphous Al<inf>2</inf>O<inf>3</inf> films with thicknesses varying between 2 and 25 nm. The amorphous Al<inf>2</inf>O<inf>3</inf> was in the form of a shell, wrapped around GaAs nanowires, thereby forming an effective core/shell structure. The GaAs core comprised a single crystal structure with a diameter of 100 nm....[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Nano Letters
DOI: 10.1021/acs.nanolett.5b01603


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