Dielectric relaxation and localized electron hopping in colossal dielectric (Nb,In)-doped TiO <sub>2</sub> rutile nanoceramics

Tsuji, Kosuke; Han, HyukSu; Guillemet-Fritsch, Sophie; A. Randall, Clive

doi:10.1039/c7cp00042a

Public

Dielectric relaxation and localized electron hopping in colossal dielectric (Nb,In)-doped TiO 2 rutile nanoceramics

Published in Physical Chemistry Chemical Physics • Jan 1, 2017

Authors:

Kosuke Tsuji

HyukSu Han

Sophie Guillemet-Fritsch

Abstract

nano-crystalline ceramic (n-NITO) synthesized by a low-temperature spark plasma sintering (SPS) technique. The dielectric properties of the n-NITO were not largely affected by the metal electrode contacts. Huge dielectric relaxation was observed at a very low temperature below 35 K. Both the activat...

Subject

Dielectric

Rutile

Condensed matter physics

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