Crystalline-amorphous contrast formation in thermally crystallized SiC

被引:0
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作者
Ruttensperger, B. [1 ]
Krotz, G. [1 ]
Mueller, G. [1 ]
Derst, G. [1 ]
Kalbitzer, S. [1 ]
机构
[1] Technical Univ of Munich, Garching, Germany
关键词
Optical Variables Measurement - Semiconducting Films - Optical Properties - Semiconducting Glass - Crystallization - Silicon Carbide - Crystallization;
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摘要
The crystallization of stoichiometric amorphous (a-) SiC:H films, deposited onto crystalline (c-) Si and highly transparent sapphire substrates, has been investigated. After annealing transparent poly-crystalline material is obtained due to an emerging indirect band gap. Irradiation of the crystallized films with energetic Ar+ ions transforms the films into a heavily absorbing amorphous state. Possible applications of this effect with regard to sub-micron lithography and to high-density optical storage are pointed out.
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页码:635 / 638
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