Direct measurement of elastic modulus of InP nanowires with Scanning Probe Microscopy in PeakForce QNM mode

Geydt, P.; Dunaevskiy, M.; Alekseev, P.; Kakko, J. P.; Haggrén, T.; Lähderanta, E.; Lipsanen, H.

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Direct measurement of elastic modulus of InP nanowires with Scanning Probe Microscopy in PeakForce QNM mode

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Title:	Direct measurement of elastic modulus of InP nanowires with Scanning Probe Microscopy in PeakForce QNM mode
Author(s):	Geydt, P. ; Dunaevskiy, M. ; Alekseev, P. ; Kakko, J. P. ; Haggrén, T. ; Lähderanta, E. ; Lipsanen, H.
Date:	2016-11-23
Language:	en
Pages:	8
Department:	Lappeenranta University of Technology St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO) Russian Academy of Sciences Department of Micro and Nanosciences Department of Electronics and Nanoengineering
Series:	Journal of Physics: Conference Series, Volume 769, issue 1
ISSN:	1742-6588 1742-6596
DOI-number:	10.1088/1742-6596/769/1/012029
Subject:	Physics and Astronomy(all), 221 Nanotechnology
Keywords:	Physics and Astronomy(all), 221 Nanotechnology
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Citation: Geydt , P , Dunaevskiy , M , Alekseev , P , Kakko , J P , Haggrén , T , Lähderanta , E & Lipsanen , H 2016 , ' Direct measurement of elastic modulus of InP nanowires with Scanning Probe Microscopy in PeakForce QNM mode ' Journal of Physics: Conference Series , vol 769 , no. 1 , 012029 . DOI: 10.1088/1742-6596/769/1/012029
Abstract: In this manuscript, we present the study of elastic properties of InP nanowires with help of scanning probe microscope in advanced PeakForce Tapping® regime. The measuring method was developed in order to investigate the Young's modulus of these cone-shaped structures with significant accuracy. The difference in InP elasticity for wurtzite phase and zinc- blende phase was revealed. It was shown that elastic modulus of InP nanowires significantly increases from 60 GPa to more than 100 GPa when diameter of a nanowire is reduced below 50 nm. The core-shell model for InP nanowire was used for the explanation of this effect.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-201705033756 Email this Export to RefWorks QR Code Print BibTex Tweet