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Photo-induced softening and hardening in Ge-As-S amorphous films

机译:Ge-As-S非晶膜中的光诱导软化和硬化

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摘要

Hardness, X-ray diffraction and transmission as well as infrared reflection measurements on virgin and ultraviolet (UV)-irradiated amorphous films of the GexAs40-xS60 system have been performed. The UV light induces film softening for x < 19 and film hardening for x > 19. The structure remains amorphous but the distance characteristic of medium range order decreases for x < 19 and increases for x > 19. Photo-contraction of the films (up to similar to 12%) has been revealed from IR spectra and X-ray transmission experiments. A main effect of UV light is the release of sulphur. (C) 1998 Elsevier Science B.V. All rights reserved. [References: 6]
机译:已经对GexAs40-xS60系统的原始和紫外线(UV)辐照的非晶膜进行了硬度,X射线衍射和透射以及红外反射测量。紫外线会引起x <19的薄膜软化和x> 19的薄膜硬化。该结构保持非晶态,但是对于x <19,中等范围量级的距离特性减小,而对于x> 19则增大。红外光谱和X射线透射实验已揭示出约有12%的化学发光)。紫外线的主要作用是释放出硫。 (C)1998 Elsevier Science B.V.保留所有权利。 [参考:6]

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