A technique to improve and accelerate aluminum induced crystallization(AIC) by using hydrogen plasma is proposed.Raman spectroscopy and secondary ion mass spectrometry of crystallized poly-Si thin films show that hy...A technique to improve and accelerate aluminum induced crystallization(AIC) by using hydrogen plasma is proposed.Raman spectroscopy and secondary ion mass spectrometry of crystallized poly-Si thin films show that hydrogen plasma radicals reduce the crystallization time of AIC.This technique shortens the annealing time from 10 to 4 h and increases the Hall mobility from 22.1 to 42.5 cm^2/(V·s).The possible mechanism of AIC assisted by hydrogen radicals is also discussed.展开更多
基金supported by the National Natural Science Foundation of China(No.61076006)the National High Technology Research and Development Program of China(No.2008AA03A335)
文摘A technique to improve and accelerate aluminum induced crystallization(AIC) by using hydrogen plasma is proposed.Raman spectroscopy and secondary ion mass spectrometry of crystallized poly-Si thin films show that hydrogen plasma radicals reduce the crystallization time of AIC.This technique shortens the annealing time from 10 to 4 h and increases the Hall mobility from 22.1 to 42.5 cm^2/(V·s).The possible mechanism of AIC assisted by hydrogen radicals is also discussed.