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One-step fastest method of nanocrystalline CuAlS2 chalcopyrite synthesis, and its nanostructure characterization

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Abstract

Nanocrystalline CuAlS2 chalcopyrite has been mechanosynthesized at room temperature for the first time by ball milling the stoichiometric mixture of elemental of Cu, Al, and S powders under argon atmosphere. Initially, the CuAlS2 phase is formed by solid state reaction of elemental powders within 15 min of milling and in the course of milling crystallite size decreases slowly to ~5 nm within 10 h of milling. Microstructure characterization and phase transformation kinetics of the elemental powders toward the chalcopyrite phase formation has been made by employing the Rietveld analysis using X-ray diffraction data of unmilled and ball-milled samples.

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Acknowledgments

The authors wish to thank the University Grant Commission (UGC) India, for granting DSA-III program under the thrust area “Condensed Matter Physics including Laser applications” to the Department of Physics Burdwan University under the financial assistance of which the work has been carried out.

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Correspondence to S. K. Pradhan.

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Ghosh, B., Pradhan, S.K. One-step fastest method of nanocrystalline CuAlS2 chalcopyrite synthesis, and its nanostructure characterization. J Nanopart Res 13, 2343–2350 (2011). https://doi.org/10.1007/s11051-010-9993-3

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  • DOI: https://doi.org/10.1007/s11051-010-9993-3

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