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Both pure and doped with Eu3+ potassium calcium pyrophosphate have been prepared by solid state synthesis and by flux growth from K4P2O7–K2Mo2O7 molten salts. For solid solutions K2Ca1–XEuXP2O7 (X = 0.01–0.10) synthesized by a ceramic method the admixture of Ca3(PO4)2 has been observed for values above X = 0.05. For a range of X = 0.01–0.03 well defined nanoparticles has been prepared with the size...
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