WIT Press


Pulsed Laser-induced Phase Changes In CdZnTe: A Computational Analysis

Price

Free (open access)

Paper DOI

10.2495/MB030281

Volume

36

Pages

10

Published

2003

Size

438 kb

Author(s)

R. ČernĂ½, P. Přikryl & E. Gatskevich

Abstract

Pulsed laser-induced phase changes in CdZnTe: a computational analysis R. Cerngl, P. Pfikry12 & E. Gatskevich3 ' ~ e ~ a r t m e n t of Structural Mechanics, Faculty of Civil Engineering, Czech Technical University, Thdkurova 7, 166 29 Prague 6, Czech Republic 2~athematical Institute of the Academy of Sciences of the Czech Republic, Zitnci 25, 115 67 Prague 1, Czech Republic 3~nstitute of Electronics, National Academy of Sciences of Belarus, 22 Logoiskii trakt, 220090 Minsk, Belarus Abstract A computational model of rapid phase transitions in binary semiconducting systems is employed to analyze the effect of the laser pulse wavelength and time duration on CdZnTe melting, crystallization and evaporation. A set of numerical simulations of pulsed laser-induced phase change processes in CdZnTe is done using the computer code developed by the authors. Temperature and concentration fields, positions and velocities of the solidAiquid and liquidlvapor phase interfaces, and time-resolved incident lase

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