Yiheng Lin, H. Yasuda, H. Ho, M. Schiekofer, B. Benna, R. Wise, G. Xia
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Effect of thermal nitridation on phosphorus diffusion in SiGe and SiGe:C and its implication on diffusion mechanisms
The effectiveness of thermal nitridation in retarding P diffusion in SiGe and SiGe:C is investigated in this study. Three types of masking layers are used to make P diffuse under vacancy injection, interstitial injection, and inert annealing conditions. A secondary ion mass spectroscopy is used to measure the diffusion profiles.