Room temperature synthesis and spectral characterizations of Fe3+-doped CdO powder

Title
Room temperature synthesis and spectral characterizations of Fe3+-doped CdO powder
Author(s)
심재술변찬L.V. Krishna Rao[L.V. Krishna Rao]R.V.S.S.N. Ravikumar[R.V.S.S.N. Ravikumar]벤카타레디
Keywords
TRANSPARENT CONDUCTING OXIDES; THIN-FILMS; PHYSICAL-PROPERTIES; MAGNETIC-PROPERTIES; OPTICAL-ABSORPTION; SINGLE-CRYSTALS; NANOPARTICLES; DEPOSITION; IONS; EPR
Issue Date
201410
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF MOLECULAR STRUCTURE, v.1075, pp.365 - 369
Abstract
Fe3+ doped CdO powder was prepared at room temperature using a mild and simple solution method. X-ray diffraction (XRD) analysis showed that the prepared material has cubic structure. The average crystalline size evaluated using the Debye-Scherrer method is 24 nm. Scanning electron microscope (SEM) images show the surface morphology of nano-crystalline CdO powder, and the Energy dispersive X-ray spectroscopy (EDX) spectrum indicates the presence of a transition metal ion. The optical absorption spectrum shows characteristic bands for Fe3+ with octahedral site symmetry. The crystal field parameter (Dq) and the Racah inter-electronic repulsion parameters (B and C) were evaluated. The electron paramagnetic resonance (EPR) spectrum shows a resonance signal at g=2.0128, which indicates Fe3+ ions in tetragonally-distorted octahedral site symmetry. This is also confirmed using the optical absorption spectrum. FT-IR shows the fundamental vibrations of the host lattice. (C) 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/30636http://dx.doi.org/10.1016/j.molstruc.2014.07.004
ISSN
0022-2860
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공과대학 > 기계공학부 > Articles
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