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Structural and electrical properties of HgTe thin films
Faculty
Science
Year:
2000
Type of Publication:
Article
Pages:
31-41
Authors:
Elfalaky, A, Seyam, MAM
DOI:
10.1016/S0042-207X(99)00203-1
Journal:
VACUUM PERGAMON-ELSEVIER SCIENCE LTD
Volume:
57
Research Area:
Materials Science; Physics
ISSN
ISI:000087543000002
Keywords :
Structural , electrical properties , HgTe thin films
Abstract:
Thin films of HgTe were thermally, flash, evaporated onto glass substrates at room temperature. The structural investigations showed that stoichiometric and amorphous films were produced. The electrical resistivity, thermoelectric power and space charge characteristics were also studied at room and elevated temperatures. The measurements indicated that HgTe thin films behave as a p-type semiconductor with current carrier concentration between 10(21) and 10(25) m(-3). Two conduction mechanisms were applied to interpret the obtained results. (C) 2000 Elsevier Science Ltd. All rights reserved.
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