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Title: Transient Nonlinear Response of Dynamically Decoupled Ionic Conductors

Abstract

The present study demonstrates that large electric fields progressively enhance the conductivity of ionic systems up to timescales corresponding to those on which their structural rearrangements take place. Here, in many ionic materials, some regarded as candidates for electrical energy storage applications, the structural relaxation process can be tremendously slower than (or highly decoupled from) the charge fluctuations. Consequently, nonlinear dielectric spectroscopy may be employed to access rheological information in dynamically decoupled ionic conductors, whereas the combination of large electric power density and good mechanical stability, both technologically highly desired, imposes specific experimental constraints to reliably determine the steady-state conductivity of such materials.

Authors:
 [1]; ORCiD logo [2];  [1];  [1]
  1. Technische Univ. Dortmund, Dortmund (Germany)
  2. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1510586
Alternate Identifier(s):
OSTI ID: 1463761
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 121; Journal Issue: 6; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Wieland, Felix, Sokolov, Alexei P., Böhmer, Roland, and Gainaru, Catalin. Transient Nonlinear Response of Dynamically Decoupled Ionic Conductors. United States: N. p., 2018. Web. doi:10.1103/PhysRevLett.121.064503.
Wieland, Felix, Sokolov, Alexei P., Böhmer, Roland, & Gainaru, Catalin. Transient Nonlinear Response of Dynamically Decoupled Ionic Conductors. United States. doi:10.1103/PhysRevLett.121.064503.
Wieland, Felix, Sokolov, Alexei P., Böhmer, Roland, and Gainaru, Catalin. Thu . "Transient Nonlinear Response of Dynamically Decoupled Ionic Conductors". United States. doi:10.1103/PhysRevLett.121.064503. https://www.osti.gov/servlets/purl/1510586.
@article{osti_1510586,
title = {Transient Nonlinear Response of Dynamically Decoupled Ionic Conductors},
author = {Wieland, Felix and Sokolov, Alexei P. and Böhmer, Roland and Gainaru, Catalin},
abstractNote = {The present study demonstrates that large electric fields progressively enhance the conductivity of ionic systems up to timescales corresponding to those on which their structural rearrangements take place. Here, in many ionic materials, some regarded as candidates for electrical energy storage applications, the structural relaxation process can be tremendously slower than (or highly decoupled from) the charge fluctuations. Consequently, nonlinear dielectric spectroscopy may be employed to access rheological information in dynamically decoupled ionic conductors, whereas the combination of large electric power density and good mechanical stability, both technologically highly desired, imposes specific experimental constraints to reliably determine the steady-state conductivity of such materials.},
doi = {10.1103/PhysRevLett.121.064503},
journal = {Physical Review Letters},
issn = {0031-9007},
number = 6,
volume = 121,
place = {United States},
year = {2018},
month = {8}
}

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Cited by: 6 works
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