Abstract
The Cr3+-doped cadmium oxide nanopowder is prepared at room temperature by a mild and simple solution method. The prepared powder is characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), optical, electron paramagnetic resonance (EPR) and Fourier transform infrared (FT-IR) techniques. The XRD powder pattern reveals the lattice structure and cell parameters are evaluated. The SEM image shows the stone-like morphology of the nanopowder. The optical absorption spectrum indicates the distorted octahedral site symmetry of Cr3+ ions. The crystal field Dq and interelectronic repulsion parameters B and C are evaluated. The EPR spectrum gives a resonance signal at g = 1.973 for Cr3+ ions. The FT-IR spectrum reveals the characteristic vibrations of cadmium oxide.
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One of the authors (L.V. Krishna Rao) is grateful to the UGC-SERO (F.ETFAPAN041), Hyderabad, for permitting him to pursue the Ph.D. program as an FDP scholar under XI plan and RVSSN Ravikumar is thankful to UGC-DRS programme, Level-III, for providing financial assistance to the Department of Physics, ANU.
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KrishnaRao, L.V., Sathish, D.V., Venkata Reddy, C. et al. Structural Properties of Cr3+-Doped Cadmium Oxide Nanopowders. Appl Magn Reson 42, 403–411 (2012). https://doi.org/10.1007/s00723-011-0308-3
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DOI: https://doi.org/10.1007/s00723-011-0308-3