NDLI: Analysis of the CdTe Hole Concentration and the Hole Mobility

Content Provider	IEEE Xplore Digital Library
Author	Andreev, A. Zajacek, J. Grmela, L. Sikula, J.
Copyright Year	2007
Description	Author affiliation: Brno Univ. of Technol., Brno (Andreev, A.; Zajacek, J.; Grmela, L.; Sikula, J.)
Abstract	The CdTe radiation detector resistance was measured during long time interval with applied voltage U=1V. Effect of temperature changes on the hole concentration, the hole mobility and the Fermi level position was studied this way. At first the CdTe sample showed metal behavior with every temperature changes. Its resistance increased with the temperature increasing and decreased with the temperature decreasing. Semiconductor properties of the sample began to dominate just after some period of time. The hole concentration, the hole mobility and the Fermi level position as a functions of time were calculated. Analysis of the resistance show that the hole concentration is almost constant with temperature changing. It begins to change appreciably just after the temperature became constant. The resistance changing is influenced mainly by the hole mobility changing. As temperature is constant, the resistance changing is influenced only by the hole concentration changing. Metal behavior of the CdTe with changes of temperature is explained in this paper.
Starting Page	148
Ending Page	151
File Size	1827713
Page Count	4
File Format	PDF
ISBN	9781424412174
DOI	10.1109/ISSE.2007.4432837
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-09
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrical resistance measurement Time measurement Radiation detectors Voltage Physics Electric resistance Temperature measurement Temperature distribution Temperature control Electric variables measurement
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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