A Copper-Related Shallow Acceptor in Quenched Germanium

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Copyright (c) 1982 The Japan Society of Applied Physics
, , Citation Yōichi Kamiura et al 1982 Jpn. J. Appl. Phys. 21 L357 DOI 10.1143/JJAP.21.L357

1347-4065/21/6A/L357

Abstract

The temperature variation of hole density was measured in the range 5–200 K after successive annealings at 320°C. It was found that a shallow acceptor at Ev+9 meV disappears on annealing, being replaced by a just equal additional density of substitutional copper. This provides experimental proof that the shallow acceptor is a defect complex containing at least one copper atom.

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10.1143/JJAP.21.L357