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Preparation and Characterization of Cadmium Metal Nanoparticle-by X-Ray Study
American Journal of Quantum Chemistry and Molecular Spectroscopy
Volume 3, Issue 2, December 2019, Pages: 37-40
Received: Jul. 17, 2019; Accepted: Aug. 14, 2019; Published: Oct. 23, 2019
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Author
Endla Purushotham, Department of Physics, S R Engineering College (Autonomous), Warangal, India
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Abstract
Crystallite size and lattice strains in cadmium (Cd) powders produced by milling have been analyzed by X-ray powder diffraction. The lattice strain (ε) and Debye-Waller factor (B) are determined from the half-widths and integrated intensities of the Bragg reflections. In Cd the Debye-Waller factor is found to increase with the lattice strain. Cadmium powder was ball milled in an argon inert atmosphere. The milled powders were characterized by X-ray diffraction. The high-energy ball milling of Cd after 25 hours resulted in particle size of 21 nm. Lattice strains in Cd powder produced by milling have been analyzed by X-ray powder diffraction. The lattice strain (ε) and Debye-Waller factor (B) are determined from the half-widths and integrated intensities of the Bragg reflections. Debye-Waller factor is found to increase with the lattice strain. From the correlation between the strain and effective Debye-Waller factors have been estimated for Cd. The variation of energy of vacancy formation as a function of lattice strain has been studied.
Keywords
Ball Milling, X-ray Diffraction, Particle Size, Lattice Strain, Debye-Waller Factor, Vacancy Formation Energy
To cite this article
Endla Purushotham, Preparation and Characterization of Cadmium Metal Nanoparticle-by X-Ray Study, American Journal of Quantum Chemistry and Molecular Spectroscopy. Vol. 3, No. 2, 2019, pp. 37-40. doi: 10.11648/j.ajqcms.20190302.12
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Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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