Gas effects on the growth and electrophysical parameters of PbTe, SnTe and Pb/sub 1-x/Sn/sub x/Te films
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:6336125
We examined the effects of various residual gases on the growth and electrophysical parameters of PbTe, SnTe and Pb/sub 1-x/Sn/sub x/Te films. The films were made under vacuum and in hydrogen, argon, and oxygen at various residual pressures, as well as by the gas-transport method in hydrogen. The transport agent was grade V-5 iodine. A transmission electron microscope was used to examine the structure and morphology. Reactions are responsible for the improved structures of films grown in hydrogen; the hydrogen heals defects. There is a critical gas pressure for which the rate-limiting stage shifts from mass transfer to surface processes. Films grow in argon by the vapor-crystal mechanism. When PbTe, SnTe, and Pb/sub 1-x/Sn/sub x/Te films are grown by gas transport, I/sub 2/ doping occurs.
- Research Organization:
- Dagestan State Pedagogic Institute (USSR)
- OSTI ID:
- 6336125
- Journal Information:
- Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 24:2; ISSN INOMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
ARGON
ATMOSPHERES
CARRIER DENSITY
CARRIER MOBILITY
CHALCOGENIDES
COHERENT SCATTERING
CONTROLLED ATMOSPHERES
CRYSTAL DOPING
CRYSTAL GROWTH
CRYSTALLIZATION
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON DIFFRACTION
ELECTRON MICROSCOPY
ELEMENTS
FILMS
FLUIDS
GASES
HALOGENS
HYDROGEN
IODINE
LEAD COMPOUNDS
LEAD TELLURIDES
MICROSCOPY
MOBILITY
NONMETALS
OXYGEN
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PRESSURE EFFECTS
RARE GASES
SCATTERING
TELLURIDES
TELLURIUM COMPOUNDS
TEMPERATURE EFFECTS
THIN FILMS
TIN COMPOUNDS
TIN TELLURIDES
TRANSMISSION ELECTRON MICROSCOPY
360602* -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
ARGON
ATMOSPHERES
CARRIER DENSITY
CARRIER MOBILITY
CHALCOGENIDES
COHERENT SCATTERING
CONTROLLED ATMOSPHERES
CRYSTAL DOPING
CRYSTAL GROWTH
CRYSTALLIZATION
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON DIFFRACTION
ELECTRON MICROSCOPY
ELEMENTS
FILMS
FLUIDS
GASES
HALOGENS
HYDROGEN
IODINE
LEAD COMPOUNDS
LEAD TELLURIDES
MICROSCOPY
MOBILITY
NONMETALS
OXYGEN
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PRESSURE EFFECTS
RARE GASES
SCATTERING
TELLURIDES
TELLURIUM COMPOUNDS
TEMPERATURE EFFECTS
THIN FILMS
TIN COMPOUNDS
TIN TELLURIDES
TRANSMISSION ELECTRON MICROSCOPY