Zusammenfassung
Impedance spectroscopy measurements, in the temperature range from room
temperature to 600 K, were performed in order to investigate the
dielectric and ionic properties of Bi2Sn2O7 ceramics. The results show
that the conductivity in this pyrochlore is associated with the hopping
of ions. An activation energy of 1.26 eV was observed and the dielectric
constant exhibits a strong contribution from ionic conduction. (C) 2011
Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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