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Title: Acoustic wave amplification in ion-implanted piezoelectric semiconductor
Authors: Ghosh, S
Khare, Pragati
Keywords: Acoustic wave amplification;Piezoelectic semiconductor;Doping;Nanoclusters;Amplification
Issue Date: Feb-2006
Publisher: CSIR
IPC Code: H01L, B82B
Abstract: An analytical study on excitation of acoustic waves and novel properties introduced by considering that the implanted ions in a group III-V crystal agglomerate to form nanoclusters (NCs) and some of them acquire negative charge in compensated piezoelectric semiconductor plasma has been presented. By using multi-fluid analysis and Maxwell’s equations, a compact dispersion relation for the acoustic wave in a piezoelectric semiconductor has been derived. It is found that the presence of charged NCs not only modifies the wave spectrum but also alters the amplification characteristics even though NCs, on account of their heavy masses, are assumed to be stationary in the background.
Page(s): 183-187
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.44(02) [February 2006]

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