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Investigations of Cd0.9Mn0.1Te Doped with Au, Cu, As and P Acceptors Using Optical Absorption and Photoluminescence

Published online by Cambridge University Press:  26 February 2011

J. Misiewicz ,
J. M. Wrobel ,
P. Becla  and
D. Heiman
J. Misiewicz
Affiliation:
Francis Bitter National Magnet Laboratory MIT, Cambridge, MA 02139 USA
J. M. Wrobel
Affiliation:
Department of Physics, Simon Fraser University, Burnaby, Britisch Columbia V5A 1S6 Canada
P. Becla
Affiliation:
Francis Bitter National Magnet Laboratory MIT, Cambridge, MA 02139 USA
D. Heiman
Affiliation:
Francis Bitter National Magnet Laboratory MIT, Cambridge, MA 02139 USA
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Abstract

Using absorption and photoluminescence investigations the energies of shallow acceptors are determined as follows: 0.11 eV for P; 0.12 eV for As; 0.17 eV for Cu and 0.18 eV for Au. Deep level energies are found as 0.28 eV for P; 0.29 eV for As; 0.41 eV and 0.92 eV for Cu; and 0.33 eV, 0.69 eV and 1.25 eV for Au dopants. Acceptor concentrations in the 1017cm−3 range are achieved for As and P dopants, but for Au and Cu high compensation is found.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 89: Symposium Q – Diluted Magnetic (Semimagnetic) Semiconductors , 1986 , 275
Copyright
Copyright © Materials Research Society 1987

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