Comparative study of the sagittal elastic waves in metallic and semiconductor multilayer systems between periodic and Fibonacci superlattices

H Aynaou,A Nougaoui,E.H El Boudouti,D Bria,V.R Velasco,B Djafari-Rouhani

doi:10.1016/j.susc.2005.03.057

Comparative study of the sagittal elastic waves in metallic and semiconductor multilayer systems between periodic and Fibonacci superlattices

H Aynaou, A Nougaoui + Show 4 more

https://doi.org/10.1016/j.susc.2005.03.057

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Journal: Surface Science	Publication Date: Apr 13, 2005
Citations: 6

Affiliation: Mohamed I University, Instituto de Ciencia de Materiales de Madrid, Laboratoire de Physique des Lasers, Atomes et Molécules, University of Lille, French National Centre for Scientific Research

#Semiconductor Systems #Fibonacci Superlattices + Show 8 more

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Abstract

We study the sagittal elastic waves in periodic and Fibonacci superlattices by means of the frequency dispersion relation and the density of states. We study also the intermediate multilayer structures between both systems, which can be seen as periodic or Fibonacci systems with planar defects. Applications are made to specific metallic and semiconductor systems as representative of the wide gap and small gap systems, respectively, in order to see the influence of the different elastic properties on the gaps and acoustic properties of these multilayer systems.

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