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Materials 2009, 2(1), 1-9; doi:10.3390/ma2010001
Article

Mechanochemical Effects on the Synthesis of Copper Orthophosphate and cyclo-Tetraphosphate Bulks by the Hydrothermal Hot Pressing Method

1,* , 2, 3 and 4
Received: 24 November 2008 / Revised: 7 January 2009 / Accepted: 8 January 2009 / Published: 9 January 2009
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Abstract

Copper orthophosphate, Cu3(PO4)2, and cyclo-tetraphosphates, Cu2P4O12, were synthesized using phosphoric acid and basic copper carbonate, and then treated with a planetary mill for up to 360 minutes. The un-milled and milled samples were characterized by X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy. SEM images, particle size distribution, specific surface area, UV-Vis reflectance spectra were also used to evaluate the materials. The un-milled and milled materials were used to fabricate copper phosphate bulks by a hydrothermal hot pressing method. The influence of powder condition on the sintering behavior of the copper phosphates was studied.
Keywords: Mechanochemical effects; Copper phosphates; Hydrothermal hot pressing Mechanochemical effects; Copper phosphates; Hydrothermal hot pressing
This 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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Onoda, H.; Okumoto, K.-I.; Nakahira, A.; Tanaka, I. Mechanochemical Effects on the Synthesis of Copper Orthophosphate and cyclo-Tetraphosphate Bulks by the Hydrothermal Hot Pressing Method. Materials 2009, 2, 1-9.

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