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Published January 2006 | Version public
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Phase Transitions and Ion Conductivity in NASICON-type Compounds Li_(1±X)Zr_(2-X)M_(X)(PO_4)_3, M = Ta, Nb, Y, Sc, In

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Abstract

Ionic conductivity and phase transitions of lithium-zirconium phosphates, Li_(1±X)Zr_(2-X)M_(X)(PO_4)_3 (M = Ta, Nb, Y, Sc, In), with NASICON structure were studied using X-ray powder diffraction, calorimetry, ^(31)P and ^(7)Li NMR and impedance spectroscopy. Triclinic-rhombohedral phase transition in these materials occurs in a wide temperature range at coexistence of both phases. Unusual change of LiZr_2(PO_4)_3 lattice parameters with temperature increase was found. During heating of this compound parameter "a" significantly decreases.

Additional Information

© 2006 Trans Tech Publications, Switzerland. This work was supported by the CRDF (grant No 2528) and RFBR (grant No 03-03-32439) for which grateful acknowledgement is made.

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Identifiers

Eprint ID
24765
DOI
10.4028/www.scientific.net/DDF.249.255
Resolver ID
CaltechAUTHORS:20110809-115128515

Funding

CRDF
2528
Russian Foundation for Basic Research
03-03-32439

Dates

Created
2011-08-09
Created from EPrint's datestamp field
Updated
2021-11-09
Created from EPrint's last_modified field

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Series Name
Diffusion and Defect Data Part A - Defect and Diffusion Forum
Series Volume or Issue Number
249