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APS » Journals » Phys. Rev. B » Volume 45 » Issue 11
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Phys. Rev. B 45, 6247–6250 (1992)

Identification of the chlorine A center in CdTe

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D. M. Hofmann, P. Omling, and H. G. Grimmeiss
Department of Solid State Physics, University of Lund, Box 118, S-221 00 Lund, Sweden

B. K. Meyer
Physikdepartment E16, Technical University of Munich, James Franck Strasse, D-8046 Garching, Federal Republic of Germany

K. W. Benz and D. Sinerius
Kristallographisches Institut, University of Freiburg, Hebelstrasse 25, D-7800 Freiburg, Federal Republic of Germany

Received 8 November 1991; published in the issue dated 15 March 1992

The chlorine A center has been identified in CdTe using photoluminescence and optically detected magnetic-resonance techniques. The A center is found to be an acceptor with a binding energy Ea=120±3 meV and consists of a Cd vacancy and a Cl donor on a nearest Te site. The defect has trigonal symmetry with g?=2.2 and g⊥=0.4, assuming an effective spin S=1/2. The interactions with the three Te neighbors are also resolved and the measured isotropic ligand hyperfine interaction amounts to (2.7±0.4)×10-2 cm-1.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.45.6247
DOI:
10.1103/PhysRevB.45.6247
PACS:
71.55.Gs, 78.55.Et, 76.70.Hb
 
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