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Abstract:
Natural kaolinite has been used as a starting material for preparing the fast ion conductors of Na1+2x+yAlxSmyZr2-x-ySixP3-xO12 system(Al-Sm-Nasicon)by high temperature solid phase reaction. A Nasicon phase with C2/c or R (3) over bar c space group exists in a rather wide composition region of above system. The unit-cell dimensions of Al-Sm-Nasicon change with changing x and y. The maximum conductivity in the above system is 1.25 X 10(-2) S, cm at 400 degrees C for the initial composition x= 0.5, y = 0.3, its activation energy is 37.31 KJ/mole in the temperature range 200 similar to 400 degrees C.
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SOLID STATE IONICS: THE SCIENCE AND TECHNOLOGY OF IONS IN MOTION
Year: 2004
Page: 949-954
Language: English
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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