RT Journal Article
T1 Non-Arrhenius conductivity in the fast ionic conductor Li_(0.05)La_(0.5)TiO_(3): reconciling spin-lattice and electrical-conductivity relaxations
A1 León Yebra, Carlos
A1 Santamaría Sánchez-Barriga, Jacobo
A1 París, M. A.
A1 Sanz, J.
A1 Ibarra, J.
A1 Torres, L. M.
AB Nuclear magnetic resonance and electrical conductivity measurements are conducted to study the dynamics of the ionic diffusion process in the crystalline ionic conductor Li_(0.05)La_(0.5)TiO_(3). dc conductivity shows a nonArrhenius temperature dependence, similar to the one recently reported for some ionic conducting glasses. Spin-lattice and conductivity relaxations are analyzed in the same frequency and temperature range in terms of the non-Arrhenius dependence of the correlation time. Both relaxations are then described using a single correlation function of the form f(t)=exp(-(t/τ)^(β)), with β=0.4 over the whole temperature range.
PB American Physical Society
SN 0163-1829
YR 1997
FD 1997-09-01
LK https://hdl.handle.net/20.500.14352/59657
UL https://hdl.handle.net/20.500.14352/59657
LA eng
NO © 1997 The American Physical Society.
DS Docta Complutense
RD 8 abr 2025