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Mechanical properties of individual InAs nanowires studied by tensile tests
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- المؤلفون: Li, X.; Wei, X. L.; Xu, T. T.; Ning, Z. Y.; Shu, J. P.; Wang, X. Y.; Pan, D.; Zhao, J. H.; Yang, T.; Chen, Q.
- المصدر:
Applied Physics Letters ; volume 104, issue 10 ; ISSN 0003-6951 1077-3118
- نوع التسجيلة:
article in journal/newspaper
- اللغة:
English
- معلومة اضافية
- Contributors:
NSFC
- بيانات النشر:
AIP Publishing
- الموضوع:
2014
- نبذة مختصرة :
Mechanical properties of individual InAs nanowires (NWs) synthesized by metal organic chemical vapor deposition (MOCVD) and molecular beam epitaxy (MBE) methods are studied by in-situ tensile tests in a scanning electron microscope and their fracture strength and Young's modulus are obtained. The two types of NWs both exhibit brittle fracture with a maximum elastic strain up to ∼10%. Their fracture strength distributes in a similar range of ∼2–5 GPa with a general trend of increasing with NW volume decrease, which is well described by Weibull statistic with a smaller Weibull modulus and a higher characteristic strength for MOCVD NWs. Young's modulus is determined to be 16–78 GPa with an average value of 45 GPa and no dependence on NW diameter for MOCVD NWs and 34–79 GPa with an average value of 58 GPa for MBE NWs.
- الرقم المعرف:
10.1063/1.4868133
- الرقم المعرف:
10.1063/1.4868133/14294615/103110_1_online.pdf
- الدخول الالكتروني :
https://doi.org/10.1063/1.4868133
https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/1.4868133/14294615/103110_1_online.pdf
- الرقم المعرف:
edsbas.DAACFE03
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