H. Miura, N. Iwata, N. Toyoshima, Y. Hayashi, K. Takeuchi, T. Mori, I. Hirosawa
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Structure Analysis of ZnS-SiO2 Thin Film and Patterning by Heat-Mode Lithography
A tetrahedral network structure like ZnS crystal is found to exist in the amorphous ZnS-SiO2 thin film. It is considered that the etching selectivity in as-deposited and annealed ZnS-SiO2 thin film becomes large due to the growth of ZnS crystals by annealing. There is optimum mixture rate of ZnS for patterning of Zns-SiO2 thin film by the heat-mode lithography, and the ZnS-SiO2 dots with clear and smooth edges were formed with increasing in the ZnS mixture rate to 80%