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Folded phonons from lateral periodicity in (311) GaAs/AlAs corrugated superlattices
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1995
(EN)
EKT historical period
Title
Folded phonons from lateral periodicity in (311) GaAs/AlAs corrugated superlattices (EN)
Creator
Popovic, ZV (EN)
Vukmirovic, MB (EN)
Ploog, K (EN)
Raptis, YS (EN)
Anastassakis, E (EN)
Notzel, R (EN)
Description
We present an analysis of folded acoustic-phonon Raman scattering in (311)-oriented GaAs/AlAs superlattices with periodically corrugated interfaces. Besides folded phonons from q parallel to the growth direction, the folded acoustic-phonon modes from additional periodicity along the [011̄] direction are observed at frequencies that are in complete agreement with continuum model calculations. The influence of surface corrugation on confined optical-phonon modes is also discussed. © 1995 The American Physical Society. (EN)
Type
journalArticle (EN)
Subject
superlattices (EN)
Physics, Condensed Matter (EN)
GAAS (EN)
DIRECTIONS (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Physical Review B (EN)
Language
English
Issued
1995 (EN)
Identifier
http://hdl.handle.net/123456789/11533
10.1103/PhysRevB.52.5789 (EN)
ISI:A1995RR28800057 (EN)
5794 (EN)
8 (EN)
0163-1829 (EN)
5789 (EN)
52 (EN)
Publisher
AMERICAN PHYSICAL SOC (EN)
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