2014
DOI: 10.1149/06103.0055ecst
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Raman Characterization of Poly-Si Channel Materials for 3D Flash Memory Device Applications

Abstract: For poly Si channel applications used in three-dimensional (3D) flash memory devices, amorphous Si films deposited on thin SiO2 on Si wafers were converted to poly Si by solid-phase crystallization in the temperature range of 600 ~ 1050oC under Ar, N2 and forming gas (N2 96% + H2 4%) ambients. Annealing temperature and process ambient gas dependence of the poly conversion process was studied. The degree of amorphous to poly conversion and grain size distribution of poly Si were investigated using Raman spectro… Show more

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Cited by 3 publications
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