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Abstract：
Perovskite-type lithium fast ion conductors of Li3xLa0.67 - xYyTi1 - 2yNbyO3 system were prepared by solid state reaction. X-Ray powder diffraction shows that a single-phase perovskite solid solution with orthorhombic structure forms in the ranges of x = 0.10, y ＜ 0.075. Over this composition range the another phase, Y2O3 hexagonal phase is found. AC impedance measurements indicate that the bulk conductivities and the total conductivities are of the order of 10(-4) S . cm(-1) and 10(-5) S . cm (-1) at 25 degreesC respectively. The compositions have low bulk activation energies of about 20 kJ . mol(-1) and total activation energies of about 40 kJ - mol in the temperature range of 298 similar to 523 K, respectively.
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JOURNAL OF RARE EARTHS
ISSN： 1002-0721
CN： 11-2788/TF
Year： 2002
Issue： 5
Volume： 20
Page： 475-478
0 . 2 8 7
JCR@2002
5 . 2 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：4
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SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 1
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