Study of Indentation Damage in Single Crystal Silicon Carbide by Using Micro Raman Spectroscopy

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Abstract:

Raman spectroscopic study is carried on the Vickers indented area on the surface of a single crystal silicon carbide (4H- and 6H-SiC) as a nondestructive structure probe to investigate a residual stress and crystal structure. LO phonon frequency shifts and the broad and weak bands around LO phonon band were observed. The residual strain field around the indentation is discussed.

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Materials Science Forum (Volumes 645-648)

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551-554

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April 2010

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