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Electrical and Optical Properties of Defects by Complementary Spectroscopies

Published online by Cambridge University Press:  10 February 2011

A. Castaldini ,
A. Cavallini ,
P. Fernandez ,
B. Fraboni ,
J. Piqueras  and
L. Polenta
A. Castaldini
Affiliation:
INFM, Department of Physics, University of Bologna, Bologna, Italy
A. Cavallini
Affiliation:
INFM, Department of Physics, University of Bologna, Bologna, Italy
P. Fernandez
Affiliation:
Departamento de Fisica de Materiales, Universidad Complutense, Madrid, Spain
B. Fraboni
Affiliation:
INFM, Department of Physics, University of Bologna, Bologna, Italy
J. Piqueras
Affiliation:
Departamento de Fisica de Materiales, Universidad Complutense, Madrid, Spain
L. Polenta
Affiliation:
INFM, Department of Physics, University of Bologna, Bologna, Italy
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Abstract

Deep levels in II-VI compounds were investigated by complementary junction and optical spectroscopy methods to assess the characteristics of the traps as well as the limits and the reliability of the techniques applied. The electrical properties have been investigated by current and capacitance transient spectroscopy, while the optical properties have been studied by cathodoluminescence. A critical and comparative analysis of the results obtained with the various methods allowed the determination of the parameters and the nature (majority or minority carrier trap) of most of the detected levels.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 411: Symposium T – Electricaly-Based Microstructural Characterization , 1995 , 177
Copyright
Copyright © Materials Research Society 1996

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References

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