TITLE

Molecular beam epitaxial growth and characterization of a novel superlattice system: Hg1-xCdxTe-CdTe

AUTHOR(S)
Reno, J.; Sou, I. K.; Wijewarnasuriya, P. S.; Faurie, J. P.
PUB. DATE
April 1986
SOURCE
Applied Physics Letters;4/21/1986, Vol. 48 Issue 16, p1069
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Hg1-xCdxTe-CdTe superlattices of both type I and type III have been grown for the first time using the molecular beam epitaxy technique. The superlattices were grown at 190 °C. They have been characterized by electron and x-ray diffraction, infrared transmission, and Hall measurements. The presence of satellite peaks in the x-ray spectra shows the superlattices to be of high quality. Infrared transmission spectra show that HgCdTe-CdTe superlattices have narrower band gaps than equivalent HgCdTe alloys. These superlattices are p type. Their Hall characterizations, along with magnetotransport experiments, seem to indicate that high hole mobilities observed in p-type HgTe-CdTe superlattices are due to some type of relationship between the two-dimensional heavy hole gas and the interface state existing in type III superlattices.
ACCESSION #
9819622

 

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