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Journal of Sol-Gel Science and Technology
Published in: Journal of Sol-Gel Science and Technology 2/2018

17-01-2018 | Original Paper: Fundamentals of sol-gel and hybrid materials processing

Structural, optical, and magnetic studies of iodine-doped CdO nanopowders and films

Author: A. A. Dakhel

Published in: Journal of Sol-Gel Science and Technology | Issue 2/2018

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Abstract

Iodine-doped CdO powders of different iodine contents have been synthesized by thermal dissociation of Cd complex. In addition, I-doped CdO thin films have been grown on glass substrates by a physical vapor deposition method. The effects of iodine doping on the structural, magnetic, and optical properties of the host CdO powder and film were systematically studied. The X-ray diffraction study shows that the incorporated I−-ions most likely occupy oxygen vacancies (VO) created naturally in CdO lattice as point defects during synthesis. Thus, I-doping increases the unit-cell volume of host CdO, causes bandgap narrowing, and removing the weak d0 ferromagnetic (FM) component of CdO. Therefore, the weak FM component of undoped (d0) CdO is defect-induced phenomenon or induced by the created oxygen vacancies (VO). In the present fundamental investigation, real experimental connection between active VO, I-doping, and magnetic properties of I-doped CdO was observed and discussed.

Graphical abstract

Structural, optical and magnetic Study of iodine-doped CdO nanocomposite ceramic
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Metadata
Title
Structural, optical, and magnetic studies of iodine-doped CdO nanopowders and films
Author
A. A. Dakhel
Publication date
17-01-2018
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 2/2018
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-017-4567-9

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