Engineering the Hypersonic Phononic Band Gap of Hybrid Bragg Stacks

We report on the full control of phononic band diagrams for periodic stacks of alternating layers of poly(methyl methacrylate) and porous silica combining Brillouin light scattering spectroscopy and theoretical calculations. These structures exhibit large and robust on-axis band gaps determined by...

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Veröffentlicht in:	Nano letters 2012-06, Vol.12 (6), p.3101-3108
Hauptverfasser:	Schneider, Dirk, Liaqat, Faroha, El Boudouti, El Houssaine, El Hassouani, Youssef, Djafari-Rouhani, Bahram, Tremel, Wolfgang, Butt, Hans-Jürgen, Fytas, George
Format:	Artikel
Sprache:	eng
Schlagworte:	Computer Simulation Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Density Elastic waves Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Energy gaps (solid state) Exact sciences and technology Hypersonic flow Light Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Mathematical analysis Models, Chemical Nanostructure Nanostructures - chemistry Nanostructures - ultrastructure Particle Size Physics Polymethyl methacrylates Refractometry - methods Scattering, Radiation Stacks Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Wave propagation
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