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

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Date

2016-11-23

Authors

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

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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.

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https://hdl.handle.net/1885/733798501

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ANU Research Publications

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Journal of Physics: Conference Series

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Conference paper

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10.1088/1742-6596/769/1/012029

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