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Šalkus, Tomas; Bohnke, Odile; Macutkevic, Jan; Orliukas, Antanas Feliksas; Greičius, Simonas; Kezionis, Algimantas; Krotkus, Arūnas; Suzanovičienė, Rasa; Adomavičius, Ramūnas

Peculiarities of ionic transport in LLTO solid electrolytes

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  • Medientyp: E-Artikel
  • Titel: Peculiarities of ionic transport in LLTO solid electrolytes
  • Beteiligte: Šalkus, Tomas; Bohnke, Odile; Macutkevic, Jan; Orliukas, Antanas Feliksas; Greičius, Simonas; Kezionis, Algimantas; Krotkus, Arūnas; Suzanovičienė, Rasa; Adomavičius, Ramūnas
  • Erschienen: Wiley, 2009
  • Erschienen in: physica status solidi c
  • Sprache: Englisch
  • DOI: 10.1002/pssc.200982527
  • ISSN: 1610-1642; 1862-6351
  • Schlagwörter: Condensed Matter Physics
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>The Li<jats:sub>3x</jats:sub>La<jats:sub>2/3–x</jats:sub>TiO<jats:sub>3</jats:sub> (LLTO) (x = 0.1 Li<jats:sup>+</jats:sup>) ionic conductor was investigated by microwave spectrometer set‐up in the 10<jats:sup>6</jats:sup>–10<jats:sup>9</jats:sup> Hz frequency range and by time‐domain transmission terahertz spectrometer in the 2·10<jats:sup>11</jats:sup>–3·10<jats:sup>12</jats:sup> Hz frequency range. A relaxation dispersion of <jats:styled-content>$ \tilde \sigma $<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-ueqn-1.gif" xlink:title="equation image" /></jats:styled-content> and <jats:styled-content>$ \tilde \epsilon $<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-ueqn-2.gif" xlink:title="equation image" /></jats:styled-content> of LLTO ceramics was found in the microwave region and was attributed to the Li<jats:sup>+</jats:sup> relaxation in bulk. The resonance dispersion of <jats:styled-content>$ \tilde \sigma $<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-ueqn-3.gif" xlink:title="equation image" /></jats:styled-content> and <jats:styled-content>$ \tilde \epsilon $<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/tex2gif-ueqn-4.gif" xlink:title="equation image" /></jats:styled-content> was found in the terahertz region with resonance frequency <jats:italic>ω</jats:italic><jats:sub>0</jats:sub>. The value of <jats:italic>ω</jats:italic><jats:sub>0</jats:sub> correlates well with the value of attempt frequency <jats:italic>f</jats:italic><jats:sub>0</jats:sub>, found from the Arrhenius plot of the relaxation frequency <jats:italic>f</jats:italic><jats:sub>R</jats:sub>. (© 2009 WILEY‐VCH Verlag GmbH &amp; Co. KGaA, Weinheim)</jats:p>