Phonon attenuation in the GHz regime : Measurements and simulations with a visco-elastic material model

Aluminum and PMMA thin film samples are investigated regarding their mechanical properties like speed of sound and attenuation. Aluminum is often used as a transducer layer for pump probe laser measurements and different PMMA types have a large importance in the nanoimprinting technique. The measure...

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Hauptverfasser:	Bryner, Juerg, Kehoe, Timothy, Vollmann, Jacqueline, Aebi, Laurent, Wenke, Ingo, Dual, Jurg
Format:	Artikel
Sprache:	eng
Schlagworte:	Bulk acoustic waves Laser acoustics Phonon attenuation Thin film metrology Wave propagation
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