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Oxygen tracer diffusion in donor doped barium titanate
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10.1063/1.3626054
/content/aip/journal/jap/110/4/10.1063/1.3626054
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/4/10.1063/1.3626054
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Bulk and grain boundary resistances of donor (La) and acceptor (Mn) co-doped barium titanate ceramics as a function of temperature. Sample dimensions: 1.55 mm thickness and 8.5 mm diameter.

Image of FIG. 2.
FIG. 2.

(Color online) Cumulative 18O image obtained in a depth from 900 nm to 1150 nm of a sample annealed in 18O2 at 900 °C (the color scale represents increasing intensity from bottom to top of the scale).

Image of FIG. 3.
FIG. 3.

(Color online) Cross section 18O image (900 °C) (a) from surface (left) to interior of the sample; (b) center of the sample. (c) Corresponding secondary electron image of the center area.

Image of FIG. 4.
FIG. 4.

(Color online) Cross section 18O image (600 °C) from surface (left) to interior of the sample.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Cumulative Ti image (600 °C). (b) Corresponding SE image. (c) Overlay of cumulative Ti and Ba image.

Image of FIG. 6.
FIG. 6.

(Color online) (a) Cumulative 18O image (600 °C, 0–600 nm). (b) Corresponding SE image. (c) Calculated xz-image of 18O (white box in (a) indicating the section for the evaluation of grain diffusion).

Image of FIG. 7.
FIG. 7.

(Color online) (a) Cross section 18O image (900 °C) from surface (left) to interior of the sample. (b) Corresponding cross section TiO image.

Image of FIG. 8.
FIG. 8.

(Color online) Diffusion profiles of single grains for different annealing temperatures; the lines represent measurement data, only one symbol every 20 data points is shown for indicating temperature.

Image of FIG. 9.
FIG. 9.

(Color online) Line profiles across a single grain boundary from cross section images.

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/content/aip/journal/jap/110/4/10.1063/1.3626054
2011-08-31
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Oxygen tracer diffusion in donor doped barium titanate
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/4/10.1063/1.3626054
10.1063/1.3626054
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