Phase separation in Cd/sub 1//sub -//sub x/Zn/sub x/Te grown by molecular-beam epitaxy
Journal Article
·
· J. Vac. Sci. Technol., B; (United States)
The ternary system Cd/sub 1-//sub x/Zn/sub x/Te has been a leading candidate for use as a lattice matched buffer layer for a variety of Hg-containing II--VI compounds. We have grown films over the entire composition range on GaAs substrates. We find that both ZnTe and CdTe grow well, but that the films degrade substantially for ternary compositions. Synchrotron x-ray scattering shows that ternary films can phase separate, with CdTe, ZnTe, and differing compositions of Cd/sub 1-//sub x/Zn/sub x/Te all present within one film. Transmission electron microscope images show features which are similar to those seen in In/sub 1-//sub x/Ga/sub x/As/sub 1-//sub y/P/sub y/ which has undergone a partial spinodal decomposition.
- Research Organization:
- ATandT Bell Laboratories, Holmdel, New Jersey 07733
- OSTI ID:
- 6805172
- Journal Information:
- J. Vac. Sci. Technol., B; (United States), Journal Name: J. Vac. Sci. Technol., B; (United States) Vol. 5:3; ISSN JVTBD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
360602* -- Other Materials-- Structure & Phase Studies
ALLOY SYSTEMS
ARSENIC COMPOUNDS
ARSENIDES
BREMSSTRAHLUNG
CADMIUM COMPOUNDS
CADMIUM TELLURIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COATINGS
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ELECTRON MICROSCOPY
EPITAXY
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
MICROSCOPY
MOLECULAR BEAM EPITAXY
PHASE STUDIES
PNICTIDES
RADIATIONS
SYNCHROTRON RADIATION
TELLURIDES
TELLURIUM COMPOUNDS
TERNARY ALLOY SYSTEMS
TRANSMISSION ELECTRON MICROSCOPY
VAPOR DEPOSITED COATINGS
ZINC COMPOUNDS
ZINC TELLURIDES
360601 -- Other Materials-- Preparation & Manufacture
360602* -- Other Materials-- Structure & Phase Studies
ALLOY SYSTEMS
ARSENIC COMPOUNDS
ARSENIDES
BREMSSTRAHLUNG
CADMIUM COMPOUNDS
CADMIUM TELLURIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COATINGS
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ELECTRON MICROSCOPY
EPITAXY
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
MICROSCOPY
MOLECULAR BEAM EPITAXY
PHASE STUDIES
PNICTIDES
RADIATIONS
SYNCHROTRON RADIATION
TELLURIDES
TELLURIUM COMPOUNDS
TERNARY ALLOY SYSTEMS
TRANSMISSION ELECTRON MICROSCOPY
VAPOR DEPOSITED COATINGS
ZINC COMPOUNDS
ZINC TELLURIDES