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Structure of a-Si:H/a-Si1-xCx:H multilayers deposited in a reactor with automated substrate holder

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This paper deals with the structural properties of a-Si:H/a-Si1-xCx: H multilayers deposited by glow-discharge decomposition of SiH4 and SiH4 and CH4 mixtures. The main feature of the rf plasma reactor is an automated substrate holder. The plasma stabilization time and its influence on the multilayer obtained is discussed. A series of a-Si:H/a-Si1-xCx: H multilayers has been deposited and characterized by secondary ion mass spectrometry (SIMS), X-ray diffraction (XRD) and transmission electron microscopy (TEM). No asymmetry between the two types of interface has been observed. The results show that the multilayers present a very good periodicity and low roughness. The difficulty of determining the abruptness of the multilayer at the nanometer scale is discussed.

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Articles publicats en revistes (Física Aplicada)

# metadata.dc.title[].value
Structure of a-Si:H/a-Si1-xCx:H multilayers deposited in a reactor with automated substrate holder