Intrinsic defects in II-VI compounds. Final report, 15 Mar 1972--30 Jun 1974
Technical Report
·
OSTI ID:7246285
Electron paramagnetic resonance (EPR) and optical studies have been used to study zinc vacancies and associated defects both in as-grown material and as produced by 1.5 MeV electron irradiation in cubic ZnSe and ZnS. Extensive studies of room temperature defect production and subsequent anneal vs sample preparation and history were performed in ZnSe. Defects observed and studied include the isolated zinc vacancy and zinc vacancies trapped by substitutional sulfur, tellurium, and chlorine impurities. Defects studied in ZnS include the isolated zinc vacancy and the zinc-vacancy-chlorine donor pair. Irradiation at 20.4/sup 0/K revealed several spectra in ZnSe, which were identified as zinc vacancy-zinc interstitial close-pairs of different microscopic configuration. Extensive studies using uniaxial stress and unidirectional electron beams which allow detailed microscopic models to be proposed for these defects were performed. This represents the first direct unambiguous observation of close Frenkel pairs in any solid.
- Research Organization:
- General Electric Co., Schenectady, N.Y. (USA)
- OSTI ID:
- 7246285
- Report Number(s):
- AD-A-010105; SRD-74-131
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360605* -- Materials-- Radiation Effects
BEAMS
CHALCOGENIDES
CHLORINE
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTRON BEAMS
ELEMENTS
ENERGY RANGE
FRENKEL DEFECTS
HALOGENS
IMPURITIES
INORGANIC PHOSPHORS
LEPTON BEAMS
MEV RANGE
MEV RANGE 01-10
NONMETALS
PARTICLE BEAMS
PHOSPHORS
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
RADIATION EFFECTS
SELENIDES
SELENIUM COMPOUNDS
STRESSES
SULFIDES
SULFUR COMPOUNDS
VACANCIES
ZINC COMPOUNDS
ZINC SELENIDES
ZINC SULFIDES
360605* -- Materials-- Radiation Effects
BEAMS
CHALCOGENIDES
CHLORINE
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
ELECTRON BEAMS
ELEMENTS
ENERGY RANGE
FRENKEL DEFECTS
HALOGENS
IMPURITIES
INORGANIC PHOSPHORS
LEPTON BEAMS
MEV RANGE
MEV RANGE 01-10
NONMETALS
PARTICLE BEAMS
PHOSPHORS
PHYSICAL RADIATION EFFECTS
POINT DEFECTS
RADIATION EFFECTS
SELENIDES
SELENIUM COMPOUNDS
STRESSES
SULFIDES
SULFUR COMPOUNDS
VACANCIES
ZINC COMPOUNDS
ZINC SELENIDES
ZINC SULFIDES