Two distinct transitions in ultrafast solid-liquid phase transformations of GaAs

1991 ◽  
Vol 53 (3) ◽  
pp. 227-234 ◽  
Author(s):  
K. Sokolowski-Tinten ◽  
H. Schulz ◽  
J. Bialkowski ◽  
D. Linde
Keyword(s):  
Liquid Phase ◽  
Phase Transformations ◽  
Solid Liquid

Picosecond Laser-Induced Solid-Liquid Phase Transformations in Gallium Arsenide and Silicon

1988 ◽  
Vol 100 ◽  
Author(s):  
B. Danielzik ◽  
P. Harten ◽  
K. Sokolowski-Tinten ◽  
D. von der Linde
Keyword(s):  
Gallium Arsenide ◽  
Liquid Phase ◽  
Phase Transformations ◽  
Picosecond Laser ◽  
Time Resolved ◽  
Velocity Increase ◽  
Melting Threshold ◽  
A New Technique ◽  
Solid Liquid ◽  
Laser Heated

ABSTRACTMelt-in velocities of picosecond laser-heated Si and GaAs were obtained from optical reflectivity measurements. We observed a velocity increase from about 100 m/s near the melting threshold to many hundred m/s at higher fIuences. With a new technique for picosecond time-resolved observation of atomic desorption we have been able to resolve the evaporation of Ga.

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