New insights into phase transformations in single crystal silicon by controlled cyclic nanoindentation

Hu Huang; Jiwang Yan

doi:10.1016/j.scriptamat.2015.02.008

New insights into phase transformations in single crystal silicon by controlled cyclic nanoindentation

Hu Huang, Jiwang Yan

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

Phase transformations in single crystal silicon were investigated by cyclic nanoindentation with controlled residual loads in the unloading process. Different phase transformations were observed at different residual loads, leading to appearance of pop-outs in different positions, which has never been reported before. Phase transformation mechanism in the reloading process was discussed by analyzing the slope change in the indentation displacement-time curve.

Original language	English
Pages (from-to)	35-38
Number of pages	4
Journal	Scripta Materialia
Volume	102
DOIs	https://doi.org/10.1016/j.scriptamat.2015.02.008
Publication status	Published - 2015 Jun 1

Keywords

Nanoindentation
Phase transformations
Raman spectroscopy
Silicon

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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title = "New insights into phase transformations in single crystal silicon by controlled cyclic nanoindentation",

abstract = "Phase transformations in single crystal silicon were investigated by cyclic nanoindentation with controlled residual loads in the unloading process. Different phase transformations were observed at different residual loads, leading to appearance of pop-outs in different positions, which has never been reported before. Phase transformation mechanism in the reloading process was discussed by analyzing the slope change in the indentation displacement-time curve.",

keywords = "Nanoindentation, Phase transformations, Raman spectroscopy, Silicon",

author = "Hu Huang and Jiwang Yan",

note = "Funding Information: H.H. as an International Research Fellow of the Japan Society for the Promotion of Science (JSPS) acknowledges the financial support from JSPS (Grant No. 26-04048 ).",

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language = "English",

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AU - Huang, Hu

AU - Yan, Jiwang

N1 - Funding Information: H.H. as an International Research Fellow of the Japan Society for the Promotion of Science (JSPS) acknowledges the financial support from JSPS (Grant No. 26-04048 ).

PY - 2015/6/1

Y1 - 2015/6/1

N2 - Phase transformations in single crystal silicon were investigated by cyclic nanoindentation with controlled residual loads in the unloading process. Different phase transformations were observed at different residual loads, leading to appearance of pop-outs in different positions, which has never been reported before. Phase transformation mechanism in the reloading process was discussed by analyzing the slope change in the indentation displacement-time curve.

AB - Phase transformations in single crystal silicon were investigated by cyclic nanoindentation with controlled residual loads in the unloading process. Different phase transformations were observed at different residual loads, leading to appearance of pop-outs in different positions, which has never been reported before. Phase transformation mechanism in the reloading process was discussed by analyzing the slope change in the indentation displacement-time curve.

KW - Nanoindentation

KW - Phase transformations

KW - Raman spectroscopy

KW - Silicon

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