Recalescence after bulk solidification in germanium films melted by ns laser pulses
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چکیده
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منابع مشابه
Recalescence after solidification in Ge films melted by picosecond laser pulses
Thin amorphous Ge films on glass substrates are irradiated by single picosecond ~ps! laser pulses and the induced melting and solidification process is followed by means of real-time reflectivity measurements with ps resolution using a setup based on a streak camera. Due to the excellent time resolution achieved in single exposure, the recalescence process occurring upon solidification can be c...
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The dynamics of melting-rapid solidification of amorphous Ge films on transparent substrates upon irradiation with nanosecond laser pulses has been analyzed by means of real time reflectivity measurements performed both at the air-film and film-substrate interfaces. The effect of the heat flow conditions on the rapid solidification process has been studied by comparing the behavior of films wit...
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