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- W4205836669 abstract "CrxFe2−xO3 (0.0 ≤ x ≤ 2.0) nanoparticles were synthesized through phytochemical mediated reduction method using hesperidin and the samples were annealed at 600 °C for 4 hrs for ageing. The data obtained after characteristic measurements such as X-ray diffraction, Uv–visible spectroscopy and photoluminescence were systematically studied. The crystallographic plane reflections corresponding to the formation of rhombohedral rhomb-centered lattice of Fe2O3 phase and Cr2O3 phase under the space group R¯3c (1 6 7) were confirmed for x = 0.0 and x = 2.0 samples. Both Fe2O3 and Cr2O3 phases were coexisted in intermediate compositions between x = 0.0 and 2.0 with considerable intensity variations and shift in peak positions. Crystallite size, strain and dislocation density were estimated from the crystallographic data obtained from X- ray diffraction pattern. The doping with chromium resulted greater defects or dislocation density in the intermediate compositions (0.0 < x < 2.0), owing to the difference in ionic radii of iron and chromium. The optical band gap assessments were obtained from Uv–visible reflection data using Tauc’s plot employing Kubelka Munk function. The band gap estimations show considerable red shift on gradual addition of chromium and then at x > 1.1, found undergoing blue shift. The optical emission resulted from photo excitation was observed at wavelengths 303 nm, 546 nm and 783 nm, respectively for different samples." @default.
- W4205836669 created "2022-01-25" @default.
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- W4205836669 date "2022-03-01" @default.
- W4205836669 modified "2023-09-25" @default.
- W4205836669 title "Crystallographic studies and optical analysis on nanocrystalline CrxFe2−xO3 (0.0 ≤ x ≤ 2.0) synthesized through hesperidin mediation" @default.
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- W4205836669 doi "https://doi.org/10.1016/j.jcrysgro.2022.126513" @default.
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