期刊
PHYSICAL REVIEW LETTERS
卷 85, 期 19, 页码 4112-4115出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.4112
关键词
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We report the observation of a photorefractivelike nonlinearity responsible for the formation of giant relief modulations in amorphous semiconductor glasses. The photoinduced softening of the matrix, formation of defects with enhanced polarizability, and their drift under the optical field gradient force is believed to be the origin of the mass transport.
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