Resonant Raman scattering of In/sup +/-implanted CdTe and Cd/sub 0. 23/Hg/sub 0. 77/Te
Journal Article
·
· Appl. Phys. Lett.; (United States)
In/sup +/ -implanted CdTe and Cd/sub 0.23/ Hg/sub 0.77/ Te have been studied by resonant Raman scattering. Dipole-forbidden but defect-induced scattering by one longitudinal optical (LO) phonon as well as Froehlich-induced two-LO phonon scattering is strongly affected by implantation of 350 keV In/sup +/ with doses ranging from 10/sup 11/ to 5 x 10/sup 14/ ions/cm/sup 2/ . The intensity ratio of the one-LO and the two-LO phonon lines is found to be a measure of the implantation damage in CdTe and in the alloy Cd/sub 0.23/ Hg/sub 0.77/ Te. The observed implantation effects on resonant Raman scattering by LO phonons are due to a broadening and an energy shift of the corresponding resonances as demonstrated for the E/sub 0/ +..delta../sub 0/ gap resonance in CdTe.
- Research Organization:
- Fraunhofer-Institut fuer Angewandte Festkoerperphysik, Eckerstrasse 4, 7800 Freiburg, West Germany
- OSTI ID:
- 6291416
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 54:18; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360605* -- Materials-- Radiation Effects
CADMIUM COMPOUNDS
CADMIUM TELLURIDES
CHALCOGENIDES
CHARGED PARTICLES
ENERGY RANGE
INDIUM IONS
ION IMPLANTATION
IONS
KEV RANGE
KEV RANGE 100-1000
LASER SPECTROSCOPY
MERCURY COMPOUNDS
MERCURY TELLURIDES
PHONONS
PHYSICAL RADIATION EFFECTS
QUASI PARTICLES
RADIATION EFFECTS
RAMAN SPECTROSCOPY
RESONANCE
SPECTROSCOPY
TELLURIDES
TELLURIUM COMPOUNDS
360605* -- Materials-- Radiation Effects
CADMIUM COMPOUNDS
CADMIUM TELLURIDES
CHALCOGENIDES
CHARGED PARTICLES
ENERGY RANGE
INDIUM IONS
ION IMPLANTATION
IONS
KEV RANGE
KEV RANGE 100-1000
LASER SPECTROSCOPY
MERCURY COMPOUNDS
MERCURY TELLURIDES
PHONONS
PHYSICAL RADIATION EFFECTS
QUASI PARTICLES
RADIATION EFFECTS
RAMAN SPECTROSCOPY
RESONANCE
SPECTROSCOPY
TELLURIDES
TELLURIUM COMPOUNDS