Structural, electrical, and optical properties of amorphous carbon nitride films prepared using a hybrid deposition technique
2016
Abstract Amorphous carbon nitride (a-CN x ) thin films were prepared using a hybrid deposition technique (HDT), which is a combination of RF and DC magnetron co-sputtering of a graphite target. We varied the nitrogen gas flow ratio (GFR, N 2 /N 2 + Ar) during deposition to prepare a-CN x films with various nitrogen concentrations. The film properties were characterized using X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. The optical and electrical properties were also investigated. For 0.3 3 C–N bonding fraction in the films. Compared to carbon nitride films with a comparable nitrogen content prepared by RF and DC sputtering, the optical band gap and resistivity of a-CN x films prepared by HDT were narrower and lower, respectively.
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