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Solid-liquid phase transitions in CdTe crystals under pulsed laser irradiation

V. A. Gnatyuk,Toru Aoki,Olena S. Gorodnychenko,Y. Hatanaka

Materials science

Irradiation

Laser

2003

Phase transitions in CdTe crystals irradiated with nanosecond KrF (248 nm) excimer laser pulses were investigated by a numerical simulation and time-resolved reflectivity method. By solving the time-dependent heat flow equation and taking into account the temperature dependences of semiconductor parameters, the time dependence of the surface temperature in a CdTe crystal was calculated as a function of laser pulse intensity. The dynamics of laser-induced melting was directly monitored by measurements of the reflection coefficient of a probe laser beam (532 nm). The melting and ablation thresholds have been determined as 2.5 and 7.3 MW/cm2, respectively.

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“Solid-liquid phase transitions in CdTe crystals under pulsed laser irradiation” is a paper by V. A. Gnatyuk Toru Aoki Olena S. Gorodnychenko Y. Hatanaka published in 2003. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.