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Nanomechanical Characterization of Indium Nano/Microwires

Prashant Kumar1* and MSR N Kiran2

Author Affiliations

1 Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560 064, India

2 Department of Materials Engineering, Indian Institute of Science, Bangalore, 560 012, India

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Nanoscale Research Letters 2010, 5:1085-1092  doi:10.1007/s11671-010-9606-1

Published: 22 April 2010


Nanomechanical properties of indium nanowires like structures fabricated on quartz substrate by trench template technique, measured using nanoindentation. The hardness and elastic modulus of wires were measured and compared with the values of indium thin film. Displacement burst observed while indenting the nanowire. ‘Wire-only hardness’ obtained using Korsunsky model from composite hardness. Nanowires have exhibited almost same modulus as indium thin film but considerable changes were observed in hardness value.

Trench template method; Nanowires; Nanomechanical property