Aperiodic thin film filters for acoustic phonons

被引：1
|
作者：
Lanzillotti-Kimura, N. D. [1 ,2 ]
Fainstein, A. [1 ]
Jusserand, B. [2 ]
Lemaitre, A. [3 ]
Mauguin, O. [3 ]
Largeau, L. [3 ]
机构：
[1] CNEA, Ctr Atom Bariloche, R8402AGP SC de Bariloche, San Carlos De Bariloche, Rio Negro, Argentina
[2] Univ Pierre Marie Curie, CNRS, Inst NanoSci Paris, UMR 7588, F-75015 Paris, France
[3] CNRS, Lab Photon Nanostruct, F-91460 Marcoussis, France
来源：
12TH INTERNATIONAL CONFERENCE ON PHONON SCATTERING IN CONDENSED MATTER (PHONONS 2007) | 2007年 / 92卷
关键词：
D O I：
10.1088/1742-6596/92/1/012109
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We describe multilayer acoustic nanowave devices based on aperiodic stacks of GaAs and AlAs layers and achievable with standard Molecular Beam Epitaxy (MBE) technology. These nanostructures were designed to display optimized acoustic reflectivity curves in the terahertz range. We address the design and optimization of these devices using a downhill simplex algorithm. We analyze different strategies of optimization, and we study the different engineering parameters relevant for the conception of aperiodic filters.
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页数：4
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