Direct observation of ultrafast thermal and non-thermal lattice deformation of polycrystalline aluminum film

The dynamics of thermal and non-thermal lattice deformation of a nanometer thick polycrystalline aluminum film has been studied by means of femtosecond (fs) time-resolved electron diffraction. We utilized two different pump wavelengths: 800 nm, the fundamental of a Ti:sapphire laser, and 1250 nm gen...

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Veröffentlicht in:	Applied physics letters 2017-07, Vol.111 (4)
Hauptverfasser:	Li, Runze, Zhu, Pengfei, Chen, Jie, Cao, Jianming, Rentzepis, Peter M., Zhang, Jie
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Applied physics Deformation Electron diffraction Excitation Metal films Parametric amplifiers Phonons Polycrystals Sapphire
Online-Zugang:	Volltext
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