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- W2952047183 abstract "In the present paper, experimental investigations on structural, morphological, optical and electrical properties of Co 3 O 4 thin film deposited by spray pyrolysis method are reported. Using the interplanar spacing of the XRD reflection and Scherrer formula, respectively, we observed that the obtained films identified crystallize in the cubic spinel structure with [Formula: see text] nm and [Formula: see text] nm. From the SEM picture, a dense grain in the morphology of Co 3 O 4 is detected which has a uniform spherical shape. In addition, transmittance, absorbance, optical bandgap and extinction coefficient of the film versus incident photon energy were calculated. We found that Co 3 O 4 film has a direct bandgap and direct forbidden transition varying from 1.69 eV to 2.85 eV and 1.62 eV to 1.88 eV, respectively. Further, the variation of (DC) electrical resistivity with temperature (from the room temperature of 27 ∘ C to 350 ∘ C) shows that the electrical resistivity was decreased with increasing temperature indicating a semiconducting transport behavior." @default.
- W2952047183 created "2019-06-27" @default.
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- W2952047183 date "2019-07-26" @default.
- W2952047183 modified "2023-09-27" @default.
- W2952047183 title "INSIGHT INTO STRUCTURAL, OPTICAL AND ELECTRICAL PROPERTIES OF COBALT OXIDE Co<sub>3</sub>O<sub>4</sub> THIN FILM" @default.
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- W2952047183 doi "https://doi.org/10.1142/s0218625x19501348" @default.
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