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Publikováno v:
ECS Meeting Abstracts. :1184-1184
Introduction Carbon in silicon crystal affects the performance of power devices for the hybrid cars [1]. Measurement of (substitutional) carbon concentration [Cs] is usually done by infrared absorption spectroscopy (IR). We have established the measu
Publikováno v:
ECS Meeting Abstracts. :2347-2347
1. Introduction Multi-layered structure is one of the methods to enhance the conversion efficiency of solar cells. In order to realize the multi-junction solar cell with high conversion efficiency, the development of semiconductor materials with high
Publikováno v:
ECS Meeting Abstracts. :1638-1638
Introduction Infrared absorption measurement of (substitutional) carbon concentration [Cs] in Si crystal meets many problems. Its practical detection limit is around 5E+15 cm-3 and [Cs] estimated to be below that is inaccurate due primarily to that t