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Abstract:
In this study, enhancements of the carrier transport properties of p-type < 100 >-oriented Si whiskers are observed under uniaxial tensile and compressive strains. It has been found that over 400% enhancement of electrical conductivity is achieved under a 2% tensile strain, while a 2% compressive strain can only cause similar to 80% conductivity enhancement. The enhancements are mainly attributed to the breaking of the degeneracy of the v2 and v1 valence bands induced a reduction of the hole effective mass. This study provides an important insight of how the carrier mobility variation caused by the strain impact on their transport properties. (C) 2014 AIP Publishing LLC.
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APPLIED PHYSICS LETTERS
ISSN: 0003-6951
Year: 2014
Issue: 1
Volume: 104
4 . 0 0 0
JCR@2022
ESI Discipline: PHYSICS;
ESI HC Threshold:202
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 16
SCOPUS Cited Count: 17
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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