Publikation: Size-independent Young's modulus of inverted conical GaAs nanowire resonators
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2014
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We explore mechanical properties of top down fabricated, singly clamped inverted conical GaAs nanowires. Combining nanowire lengths of 2-9 μm with foot diameters of 36-935 nm yields fundamental flexural eigenmodes spanning two orders of magnitude from 200 kHz to 42 MHz. We extract a size-independent value of Young's modulus of (45±3) GPa. With foot diameters down to a few tens of nanometers, the investigated nanowires are promising candidates for ultra-flexible and ultra-sensitive nanomechanical devices.
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PAULITSCHKE, Philipp, Norbert SELTNER, Alexander LEBEDEV, Heribert LORENZ, Eva M. WEIG, 2014. Size-independent Young's modulus of inverted conical GaAs nanowire resonatorsBibTex
@unpublished{Paulitschke2014Sizei-26550,
year={2014},
title={Size-independent Young's modulus of inverted conical GaAs nanowire resonators},
author={Paulitschke, Philipp and Seltner, Norbert and Lebedev, Alexander and Lorenz, Heribert and Weig, Eva M.}
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<dcterms:abstract xml:lang="eng">We explore mechanical properties of top down fabricated, singly clamped inverted conical GaAs nanowires. Combining nanowire lengths of 2-9 μm with foot diameters of 36-935 nm yields fundamental flexural eigenmodes spanning two orders of magnitude from 200 kHz to 42 MHz. We extract a size-independent value of Young's modulus of (45±3) GPa. With foot diameters down to a few tens of nanometers, the investigated nanowires are promising candidates for ultra-flexible and ultra-sensitive nanomechanical devices.</dcterms:abstract>
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