Te and Cd nuclear-magnetic-resonance study of local structure and bonding in Cd/sub 1-//sub x/Zn/sub x/Te
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Magic-angle sample-spinning NMR spectra of /sup 111/Cd and /sup 125/Te in Cd/sub 1-//sub x/Zn/sub x/Te semiconductor alloys have been recorded for 0less than or equal toxless than or equal to1. The /sup 111/Cd NMR spectra exhibit a single line whose chemical shift and linewidth depend on x. The linear dependence of the /sup 111/Cd chemical shift on x is assumed to be the result of charge transfer, while the linewidth dependence is shown to be the result of a random distribution of Zn atoms which are next-nearest neighbors to Cd. The /sup 125/Te spectra exhibit multiple lines, their number and chemical shift depending on x. The different chemical shifts of the Te lines are assigned to the five different cation configurations: Cd/sub n/Zn/sub 4-//sub n/, n = 0,...,4: around the Te. The intensities of the experimental Te lines are compared to those in spectral simulations obtained by assuming a random distribution of the cations. The comparison reveals small deviations from a random distribution of the cations. This clustering phenomenon and the effect of the bond-length changes with x on the /sup 125/Te chemical shift are discussed.
- Research Organization:
- Francis Bitter National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
- OSTI ID:
- 6252124
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 36:12; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
BOND LENGTHS
CADMIUM 111
CADMIUM COMPOUNDS
CADMIUM ISOTOPES
CADMIUM TELLURIDES
CHALCOGENIDES
CHEMICAL SHIFT
DAYS LIVING RADIOISOTOPES
DIMENSIONS
ELECTRONIC STRUCTURE
EVEN-ODD NUCLEI
INHIBITION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LENGTH
MAGNETIC RESONANCE
MATERIALS
MINUTES LIVING RADIOISOTOPES
NOISE
NUCLEAR MAGNETIC RESONANCE
NUCLEI
RADIOISOTOPES
RESONANCE
SEMICONDUCTOR MATERIALS
SENSITIVITY
STABLE ISOTOPES
TELLURIDES
TELLURIUM 125
TELLURIUM COMPOUNDS
TELLURIUM ISOTOPES
ZINC COMPOUNDS
ZINC TELLURIDES
360603* -- Materials-- Properties
BOND LENGTHS
CADMIUM 111
CADMIUM COMPOUNDS
CADMIUM ISOTOPES
CADMIUM TELLURIDES
CHALCOGENIDES
CHEMICAL SHIFT
DAYS LIVING RADIOISOTOPES
DIMENSIONS
ELECTRONIC STRUCTURE
EVEN-ODD NUCLEI
INHIBITION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LENGTH
MAGNETIC RESONANCE
MATERIALS
MINUTES LIVING RADIOISOTOPES
NOISE
NUCLEAR MAGNETIC RESONANCE
NUCLEI
RADIOISOTOPES
RESONANCE
SEMICONDUCTOR MATERIALS
SENSITIVITY
STABLE ISOTOPES
TELLURIDES
TELLURIUM 125
TELLURIUM COMPOUNDS
TELLURIUM ISOTOPES
ZINC COMPOUNDS
ZINC TELLURIDES