Raman scattering on phonons in Nb-Cu metallic superlattice
Journal Article
·
· Mod. Phys. Letters B; (United States)
The authors present Raman scattering results on transverse acoustic phonons in metallic superlattice and have verified most expectations regarding acoustic phonon folding as in semiconductor superlattices. Raman folded peaks up to seventh order can be observed which agree closely with elastic continuum prediction in frequency. Owing to metal high optical absorption, phonon momentum nonconserving have caused increasing linewidth and disorder-activated transverse-acoustic mode scattering.
- Research Organization:
- Nanjing Univ., JS (China)
- OSTI ID:
- 5980596
- Journal Information:
- Mod. Phys. Letters B; (United States), Vol. 3:5
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER ALLOYS
BACKSCATTERING
NIOBIUM ALLOYS
ABSORPTION SPECTRA
CALCULATION METHODS
ELECTRON-PHONON COUPLING
METALLIC GLASSES
RAMAN SPECTRA
SEMICONDUCTOR MATERIALS
SUPERLATTICES
ALLOYS
MATERIALS
SCATTERING
SPECTRA
360102* - Metals & Alloys- Structure & Phase Studies
360602 - Other Materials- Structure & Phase Studies
400101 - Activation
Nuclear Reaction
Radiometric & Radiochemical Procedures
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER ALLOYS
BACKSCATTERING
NIOBIUM ALLOYS
ABSORPTION SPECTRA
CALCULATION METHODS
ELECTRON-PHONON COUPLING
METALLIC GLASSES
RAMAN SPECTRA
SEMICONDUCTOR MATERIALS
SUPERLATTICES
ALLOYS
MATERIALS
SCATTERING
SPECTRA
360102* - Metals & Alloys- Structure & Phase Studies
360602 - Other Materials- Structure & Phase Studies
400101 - Activation
Nuclear Reaction
Radiometric & Radiochemical Procedures