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期刊论文
Ultrafast dynamics in ZnO thin films irradiated by femtosecond lasers
Solid State Communications 136 (2005) 389-394,-0001,():
The damage morphologies, threshold fluences in ZnO films were studied with femtosecond laser pulses. Time-resolved reflectivity and transmissivity have been measured by the pump-probe technique at different pump fluences and wavelengths. The results indicate that two-phase transition is the dominant damage mechanism, which is similar to that in narrow band gap semiconductors. The estimated energy loss rate of conduction electrons is 1.5V/ps.
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