Synthesis, Characterization, Effect of Lattice Strain on the Debye-Waller Factor and Debye Temperature of Aluminium Nanoparticles
American Journal of Nanosciences
Volume 5, Issue 3, September 2019, Pages: 23-26
Received: Oct. 17, 2019; Accepted: Nov. 9, 2019; Published: Nov. 17, 2019
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Endla Purushotham, Department of Physics, S R Engineering College, Telangana, India
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The synthesis of aluminium (Al) nanocrystalline powder by high-energy ball milling has been investigated. Al powders were ball milled in an argon inert atmosphere. The milled powders were characterized by X-ray diffraction and scanning electron microscopy measurements. The high-energy ball milling of Al after 12 hours resulted in crystallite size (particle size) of about 76 nm. Particle size and lattice strain in Al powder produced by milling have been analyzed by X-ray powder diffraction. The lattice strain () and Debye-Waller factor (B) are determined from the half-widths and integrated intensities of the Bragg reflections. In this Al, the Debye-Waller factor is found to increase with the lattice strain. From the correlation between the strain and effective Debye-Waller factor, the Debye-Waller factors for zero strain have been estimated for Al. The variation of energy of vacancy formation as a function of lattice strain has been studied.
X-ray Diffraction, Lattice Strain, Crystallite Size, Debye-Waller Factor, Vacancy Formation Energy
To cite this article
Endla Purushotham, Synthesis, Characterization, Effect of Lattice Strain on the Debye-Waller Factor and Debye Temperature of Aluminium Nanoparticles, American Journal of Nanosciences. Vol. 5, No. 3, 2019, pp. 23-26. doi: 10.11648/j.ajn.20190503.11
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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