Abstract:Metallic Cr film coatings of 1.2 µm thickness were prepared by DC magnetron sputter deposition method on cplane sapphire substrates. The thin Cr films were ammoniated during horizontal furnace thermal annealing for 10-240 min in NH 3 gas flow conditions between 400 and 900 o C. After annealing, changes in the crystal phase and chemical constituents of the films were characterized using X-ray diffraction (XRD) and energy dispersive X-ray photoelectron spectroscopy (XPS) surface analysis. Nitridation of the meta… Show more
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