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Ion dynamics at porous alumina surfaces
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10.1063/1.4742869
/content/aip/journal/apl/101/6/10.1063/1.4742869
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/6/10.1063/1.4742869
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Snapshot of the simulated amorphous alumina structure with a cylindrical pore, where the yellow and red spheres indicate Al and O atoms, respectively. (b) Schematic of the simulated system.

Image of FIG. 2.
FIG. 2.

Spatial distribution of atomic displacement projected on the xy plane for (a) Al and (b) O ions. Red and blue colors indicate parallel and antiparallel motions to the direction of the applied electric field, respectively. The dashed lines indicate the boundary between the surface and bulk regions. (c) Displacements of Al (blue) and O (red) ions in the z direction in the surface (solid lines) and bulk (dashed lines) regions.

Image of FIG. 3.
FIG. 3.

Spatial distribution of the charge (a) and dipole moment (b) projected on the xy plane.

Image of FIG. 4.
FIG. 4.

Local stoichiometry (i.e., the ratio between the numbers of O and Al atoms) as a function of the distance from the cylindrical center.

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/content/aip/journal/apl/101/6/10.1063/1.4742869
2012-08-07
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ion dynamics at porous alumina surfaces
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/6/10.1063/1.4742869
10.1063/1.4742869
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