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Fabrication and Characterization of Gold Nano Particles

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The powder samples were obtained by gently filing highly pure Au rod with a jeweler's file. A part of this powder was used to prepare the initial sample. The remaining powder was subjected to milling in a high-energy ball mill for 5, 10, 15, 20 and 25 hours to produce strains and decrease the particle size in a stainless steel chamber using tungsten carbide and zirconia balls of 10 mm φ and 3 mm φ ball sizes respectively. Characterized for its particle size, lattice strain, Debye-Waller factor, root mean square amplitudes of vibration 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.
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Keywords: DEBYE-WALLER FACTOR; LATTICE STRAIN; PARTICLE SIZE; X-RAY DIFFRACTION

Document Type: Research Article

Publication date: December 1, 2014

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  • Journal of Advanced Physics is an interdisciplinary peer-reviewed journal consolidating research activities in all experimental and theoretical aspects of advanced physics. The journal aims in publishing articles of novel and frontier physics that merit the attention and interest of the whole physics community. JAP publishes review articles, full research articles, short communications of important new scientific and technological findings in all latest research aspects of physics.
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