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The following article is Open access

Observation of spatial distribution of vacancy defects in semiconductor by positron microscope and electron beam induced current measurement

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Published under licence by IOP Publishing Ltd
, , Citation M Maekawa and A Kawasuso 2013 J. Phys.: Conf. Ser. 443 012041 DOI 10.1088/1742-6596/443/1/012041

1742-6596/443/1/012041

Abstract

A complementary study of vacancy defects in Si substrates by using scanning positron microscope (SPM) and electron beam induced current (EBIC) method were demonstrated for the same samples and in the same chamber. Both the S parameter and EBIC contrast were found to be enhanced in the regions containing vacancy defects introduced by ion implantation. That is, the SPM provides a criterion if the spatially resolved carrier recombination centres by the EBIC method are originating from vacancy defects or not.

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10.1088/1742-6596/443/1/012041