Photoluminescence and photoacoustic inve
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O. Ka; O. Oda; Y. Makita; A. Yamada
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Article
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1993
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Elsevier Science
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English
โ 443 KB
Photoluminescence and photoacoustic spectroscopy were used to investigate the effect of post-growth annealing carried out to improve the uniformity of Czochralski-grown semi-insulating GaAs. Single-and multi-step, ingot-and waferannealed crystals were studied. It is shown that wafer-annealed crystal