Problems and results of diffusion length investigations by energy-dependent EBIC measurements |
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Authors: | M. Kittler,W. Seifert,K.-W. Schrö der,E. Susi |
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Abstract: | The fundamentals of the method are described. From applications of this measuring method the following results were obtained: The determination of the diffusion length on glass-plate bevels with evaporated Schottky contacts is frequently quite difficult and sometimes even impossible. Besides a reduction of the diffusion length with increasing microdefect density surprisingly also the opposite behaviour can be found. Comparative PEM and EBIC investigations yield differences between both diffusion lengths (LEBIC < < LPEM) depending on the sample pre-history. |
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