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pro vyhledávání: '"Tang Yan-seng"'
Publikováno v:
Ferroelectrics. 101:299-301
With relation to photorefraction, it has been found that higher light irradiation intensities can be withstood by Li-rich LiNbO3:Mg (5 mol%) than by the congruent LiNbO3:Mg (5 mol%). The photoconductivity of the former is an order of magnitude larger
Publikováno v:
Applied Physics A Solids and Surfaces. 29:195-198
The space chages formed in the process of photorefraction in LiNbO3 crystals is visualised by charged powder techniques. The results confirmed the existence of space charge carriers at the periphery of the illuminated region with negative charge carr