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Evaluation of as anode material in solid-oxide fuel cells: A neutron diffraction study
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10.1063/1.3544068
/content/aip/journal/jap/109/3/10.1063/1.3544068
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/3/10.1063/1.3544068

Figures

Image of FIG. 1.
FIG. 1.

NPD patterns for along the tetragonal to cubic phase transition.

Image of FIG. 2.
FIG. 2.

Observed (crosses), calculated (full line), and difference (at the bottom) NPD profiles for at refined in the tetragonal space group. The vertical markers correspond to the allowed Bragg reflections.

Image of FIG. 3.
FIG. 3.

View of the (a) tetragonal and (b) cubic crystal structures.

Image of FIG. 4.
FIG. 4.

Thermal variation in the unit-cell parameters from in situ NPD data during the heating run. A phase transition from tetragonal to cubic occurs at around . An inset of the variation in tilting angles in the tetragonal region is included.

Image of FIG. 5.
FIG. 5.

Observed (crosses), calculated (full line), and difference (at the bottom) NPD profiles for at refined in the cubic space group. The vertical markers correspond to the allowed Bragg reflections.

Image of FIG. 6.
FIG. 6.

Thermal evolution of the isotropic thermal displacement of oxygen and metal atoms during the heating run.

Image of FIG. 7.
FIG. 7.

Three-dimensional array of the NPD patterns collected during the cooling run.

Image of FIG. 8.
FIG. 8.

Thermal variation in unit-cell parameters from in situ NPD data during the cooling run. A phase transition from tetragonal to cubic occurs at around .

Image of FIG. 9.
FIG. 9.

Thermal expansion collected by dilatometric measurement in from 35 to .

Tables

Generic image for table
Table I.

Structural parameters and interatomic distances in the tetragonal space group from in situ NPD data at selected temperatures during the heating run.

Generic image for table
Table II.

Structural parameters and interatomic distances in the cubic space group from in situ NPD data at selected temperatures during the heating run.

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/content/aip/journal/jap/109/3/10.1063/1.3544068
2011-02-08
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evaluation of Sr2CoMoO6−δ as anode material in solid-oxide fuel cells: A neutron diffraction study
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/3/10.1063/1.3544068
10.1063/1.3544068
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