Abstract
Ge2Sb2Te5 thin films and Si doped Ge2Sb2Te5 thin films were deposited by electron beam evaporation method. The crystallization behaviors of the films were investigated by using the in situ resistance measurement. Through in situ resistance measurement, the increases of amorphous stability, crystallization rate and crystalline resistivity after Si doping were observed. The promoted nucleation process and the retardation of crystal growth were found in Si doped samples through the calculation of JMAK equation.
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