Morphology of new superionic pyrophosphates |
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| Authors: | K. Byrappa G. S. Gopalakrishna B. V. Umesh Dutt |
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| Affiliation: | (1) Mineralogical Institute, University of Mysore, Manasagangotri, 570006 Mysore, India |
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| Abstract: | New superionic pyrophosphates, Na2H3Al(P2O7)2, Na2CaMn2(P2O7)2, NaFeP2O7, Na2M2+Zr(P2O7)2 where M=Mn, Co, Ni and Zn, and (Na0.66Zr0.33)2P2O7 were obtained by a hydrothermal method. The crystal growth, solubility and structure of these superionic pyrophosphates are discussed in brief. Detailed morphological studies were carried out with reference to the divalent/trivalent cations, degree of supersaturation, concentration of volatiles such as Na2O, H2O, P2O5 etc. |
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