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2001-01-02. Summary of the data for ceria-{Mn,Sc,Y,Gd,La,Ca}

GOAL

Summary of the data obtained for the $Ce^{4+}/Ce^{3+}$ reduction and oxygen migration.

Potential parameters

\rcRoundingfalse \fpDecimalSign{.} \begin{tabular}{llR{5}{4}R{1}{5}R{2}{3}l} \mu... ...3+}$} & {$O^{2-}$} & 1439.7 & 0.3651 & 0.00 & \cite{catlow:85} \\ \end{tabular}

\rcRoundingfalse \fpDecimalSign{.} \begin{tabular}{lR{1}{3}R{3}{2}l} \multicolum... ...}} & \\ {$La^{3+}$} & 0.00 & \multicolumn{1}{c}{{$\infty$}} & \\ \end{tabular}

Cationic radii from Shannon (1976):

\inittptctr \rcRoundingfalse \fpDecimalSign{.} \begin{threeparttable} \begin{tab... ...octahedral ionic radii''. What did they do? \end{tablenotes}\end{threeparttable}

$Ce^{4+}/Ce^{3+}$ reduction energy

Map of the calculations:

$CeO_2-Mn_2O_3$ 2000-07-17
$CeO_2-Sc_2O_3$ 2000-12-15
$CeO_2-Y_2O_3$ 2000-07-04
$CeO_2-Gd_2O_3$ 2000-07-05
$CeO_2-CaO$ 2000-12-12
$CeO_2-La_2O_3$ 2000-07-06

\begin{center}\vbox{\input{2001-01-02-01.pslatex} }\end{center}

Activation energy for oxygen migration

Map of the calculations:

$CeO_2-Mn_2O_3$ 2000-09-07
$CeO_2-Sc_2O_3$ 2000-12-19
$CeO_2-Y_2O_3$ 2000-09-14
$CeO_2-Gd_2O_3$ 2000-09-11
$CeO_2-CaO$ 2000-12-22
$CeO_2-La_2O_3$ 2000-09-19

\begin{center}\vbox{\input{2001-01-02-02.pslatex} }\end{center}

The following shows an expanded view (data for ceria-calcia are truncated to $x=0.25$):

\begin{center}\vbox{\input{2001-01-02-03.pslatex} }\end{center}

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Next: Bibliography Up: Aliovalent cation doped ceria Previous: 2000-12-22. Activation energy for