Non-Arrhenius Conductivity in Glass: Mobility and Conductivity Saturation Effects
Author(s) -
Joseph Kincs,
Steve W. Martin
Publication year - 1996
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.76.70
Subject(s) - arrhenius equation , conductivity , ionic conductivity , saturation (graph theory) , materials science , ion , omega , electrical resistivity and conductivity , activation energy , analytical chemistry (journal) , condensed matter physics , thermodynamics , physics , chemistry , electrode , quantum mechanics , mathematics , combinatorics , chromatography , electrolyte
Extreme non-Arrhenius dependence of the ionic conductivity in optimized fast ion conducting glasses has been observed. When all the chemical factors controlling the ionic conductivity in glass have been optimized, the conductivity fails to reach the values expected, .0.1 sV cmd21 at 298 K. A new series of glasses zAgI 1 s1 2 zd f0.525Ag2S 1 0.475B2S3:SiS2g have been measured for the first time and are found to exhibit a non-Arrhenius conductivity, the extent of which increases the greater the AgI content. Such behavior is believed to be a new feature of optimized fast ion conducting glasses and will be a critical obstacle to overcome if the conductivity of such systems is to ever reach the values needed for optimum device performance.
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom