Raymond Frésard

Strongly correlated properties of the thermoelectric cobalt oxide Ca3Co4O9

We have performed both in-plane resistivity, Hall effect, and specific heat measurements on the thermoelectric cobalt oxide

Scaling behavior in thermoelectric misfit cobalt oxides.

{\mathrm{Ca}}_{3}{\mathrm{Co}}_{4}{\mathrm{O}}_{9}

On the strong impact of doping in the triangular antiferromagnet CuCrO2

. Four distinct transport regimes are found as a function of temperature, corresponding to a low temperature insulating one up to

INTERPLAY OF MOTT TRANSITION AND FERROMAGNETISM IN THE ORBITALLY DEGENERATE HUBBARD MODEL

{T}_{\mathit{min}}\ensuremath{\approx}63\phantom{\rule{0.3em}{0ex}}\mathrm{K}

Origin of magnetic interactions in Ca 3 Co 2 O 6

, a strongly correlated Fermi liquid up to

Nonlinear effects and Joule heating in I-V curves in manganites

{T}^{*}\ensuremath{\approx}140\phantom{\rule{0.3em}{0ex}}\mathrm{K}

Electronic structure and thermoelectric properties of CuRh 1 − x Mg x O 2

, with

Thickness dependence of the electronic properties in V2O3 thin films

\ensuremath{\rho}={\ensuremath{\rho}}_{0}+A{T}^{2}

On the metallic conductivity of the delafossites PdCoO2 and PtCoO2

and

Unconventional Hall effect in oriented Ca 3 Co 4 O 9 thin films

A\ensuremath{\approx}3.63\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}2}\phantom{\rule{0.3em}{0ex}}\ensuremath{\mu}\ensuremath{\Omega}\phantom{\rule{0.2em}{0ex}}\mathrm{cm}∕{\mathrm{K}}^{2}