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Ionic conductivity of NASICON-type LiHf2(PO4)3: a reexamination

✍ Scribed by Ana Martínez-Juárez; Juan E. Iglesias; JoséM. Rojo

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
596 KB
Volume
91
Category
Article
ISSN
0167-2738

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✦ Synopsis

The ionic conductivity of two pellets of LiHf,(PO,), calcined at 1000 and 1100°C has been measured. Grain interior and grain boundary responses are distinguished in the impedance plots as well as in the real part of conductivity versus frequency plots. The activation energy associated with the motion of Li' Ions inside the grains is 0.33 eV while the activation energy corresponding to the total d.c. conductivity changes from 0.36 to 0.47 eV, depending on the relative contribution of grain interior and grain boundary to that parameter.

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