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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2003     Display Documents



  history
ID: 7007.0, MPI für Festkörperforschung / FKF Publikationen 2003
Pressure dependence of optical phonons in ZnCdSe alloys
Authors:Camacho, J.; Loa, I.; Cantarero, A.; Syassen, K.; Hernández-Calderón, I.; González, L.
Language:English
Date of Publication (YYYY-MM-DD):2003
Title of Journal:physica status solidi (b)
Volume:235
Issue / Number:2
Start Page:432
End Page:436
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We report on resonant Raman scattering measurements under
hydrostatic pressure and at low temperature on two ZnxCd1-xSe
alloy films, which were grown by different epitaxial techniques
on GaAs. This ternary alloy exhibits an intermediate (I) mode
between the typical transverse (TO) and longitudinal optical
(LO) modes of the zinc-blende structure. The shift of the
vibrational frequencies of the three modes with pressure is
analyzed. The Gruneisen parameters of these three optical modes
are determined. Moreover, overtones of the LO modes as well as
TO + nLO and I + nLO zone-center phonon combinations are
observed.
External Publication Status:published
Document Type:Article
Communicated by:Michaela Asen-Palmer
Affiliations:MPI für Festkörperforschung
External Affiliations:; Univ Valencia, Inst Ciencia Mat, POB 22085, E-46071 Valencia, Spain
; Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
; Univ Politecn Cartagena, Dept Fis Aplicada, Murcia 30202, Spain
; IPN, CINVESTAV, Dept Fis, Mexico City 07300, DF, Mexico
; CSIC, CNM, PTM, Inst Microelect Madrid, Tres Cantos 28760, Madrid, Spain
Identifiers:ISI:000181009000040
ISSN:0370-1972
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