Temperature dependence of the ionic conductivity in Li3xLa2/3−xTiO3: Arrhenius versus non-Arrhenius | Zendy

A. Rivera | Zendy; J. Santamarı́a | Zendy; C. León | Zendy; Thomas Blochowicz | Zendy; Catalin Gainaru | Zendy; E. A. Rössler | Zendy

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Temperature dependence of the ionic conductivity in Li3xLa2/3−xTiO3: Arrhenius versus non-Arrhenius

Author(s) -

A. Rivera,

J. Santamarı́a,

C. León,

Thomas Blochowicz,

Catalin Gainaru,

E. A. Rössler

Publication year - 2003

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1568169

Subject(s) - arrhenius equation , ionic conductivity , ionic bonding , conductivity , atmospheric temperature range , materials science , electrical resistivity and conductivity , ion , lithium (medication) , activation energy , chemistry , analytical chemistry (journal) , thermodynamics , electrode , physics , medicine , organic chemistry , quantum mechanics , chromatography , electrolyte , endocrinology

We report on the temperature dependence of the ionic conductivity at low temperatures in the crystalline lithium ionic conductor Li_(0.18)La_(0.61)TiO_(3). Time domain measurements of the electric modulus have been performed to investigate ion dynamics in the frequency range 1025 – 102 Hz and for conductivity values in the range 10214 – 1028 S/cm. Ionic conductivity shows an Arrhenius temperature dependence below 300 K and down to 120 K, in contrast to the non-Arrhenius behavior found at higher temperatures, demonstrating that the temperature dependence of ionic conductivity in Li_(0.18)La_(0.61)TiO_(3) cannot be described by a Vogel–Fulcher–Tamman law

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