WELL WIDTH DEPENDENCE OF ELECTRON-PHONON INTERACTION IN ZNSE ZNSXSE1-X SUPERLATTICES DETERMINED BY MICRO-RAMAN SPECTROSCOPY/

Authors
SPAGNOLO V SCAMARCIO G CORVASCE C LUGARA M SUEMUNE I
Citation
V. Spagnolo et al., WELL WIDTH DEPENDENCE OF ELECTRON-PHONON INTERACTION IN ZNSE ZNSXSE1-X SUPERLATTICES DETERMINED BY MICRO-RAMAN SPECTROSCOPY/, Superlattices and microstructures, 16(1), 1994, pp. 47-49
Citations number
13
Categorie Soggetti
Physics, Condensed Matter
Journal title
Superlattices and microstructures → ACNP
ISSN journal
07496036
Volume
16
Issue
1
Year of publication
1994
Pages
47 - 49
Database
ISI
SICI code
0749-6036(1994)16:1<47:WWDOEI>2.0.ZU;2-D
Abstract
We report a study of multiphonon resonant Raman scattering in a series of symmetric (ZnSe)(d)(ZnS1-xSex)(d) superlattices (SL), 20 Angstrom less than or equal to d less than or equal to 150 Angstrom. In additio n to confined optical phonons, the energies of interface (IF) modes wi th in-plane wavevectors have been assessed by means of micro-probe Ram an measurements in backscattering from the SL edge. The comparison bet ween one- and two-phonon spectra shows that the electron-phonon intera ction is dominated by ZnSe-like IF phonons for d < 50 Angstrom, wherea s LO(2) phonons prevail for larger well.