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- W2081157299 abstract "In this work we report the optical, morphological and structural characterization and diode application of Cr2O3 nanofilms grown on p-Si substrates by spin coating and annealing process. X-ray diffraction (XRD), non-contact mode atomic force microscopy (NC-AFM), ultraviolet–visible (UV–vis) spectroscopy and photoluminescence (PL) spectroscopy were used for characterization of nanofilms. For Cr2O3 nanofilms, the average particle size determined from XRD and NC-AFM measurements was approximately 70 nm. Structure analyses of nanofilms demonstrate that the single phase Cr2O3 on silicon substrate is of high a crystalline structure with a dominant in hexagonal (1 1 0) orientation. The morphologic analysis of the films indicates that the films formed from hexagonal nanoparticles are with low roughness and uniform. UV–vis absorption measurements indicate that the band gap of the Cr2O3 film is 3.08 eV. The PL measurement shows that the Cr2O3 nanofilm has a strong and narrow ultraviolet emission, which facilitates potential applications in future photoelectric nanodevices. Au/Cr2O3/p-Si metal/interlayer/semiconductor (MIS) diodes were fabricated for investigation of the electronic properties such as current–voltage and capacitance–voltage. Ideality factor and barrier height for Au//Cr2O3/p-Si diode were calculated as 2.15 eV and 0.74 eV, respectively. Also, interfacial state properties of the MIS diode were determined. The interface-state density of the MIS diode was found to vary from 2.90 × 1013 eV−1 cm−2 to 8.45 × 1012 eV−1 cm−2." @default.
- W2081157299 created "2016-06-24" @default.
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- W2081157299 date "2010-04-01" @default.
- W2081157299 modified "2023-10-16" @default.
- W2081157299 title "Silicon MIS diodes with Cr2O3 nanofilm: Optical, morphological/structural and electronic transport properties" @default.
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- W2081157299 doi "https://doi.org/10.1016/j.apsusc.2010.01.122" @default.
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