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Inhibition of polydomain formation in PbTiO3/PbZr0.2Ti0.8O3 superlattices by intercalation of ultra-thin SrTiO3 layers
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10.1063/1.3619843
/content/aip/journal/apl/99/5/10.1063/1.3619843
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/5/10.1063/1.3619843

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Reciprocal space map around (a) (002) and (b) (103) reflections of a [PT10/PZT11]20 SL grown on STO. The presence of a/c domain patterns is clearly detected. The brackets highlight the modulation of a- and c-domains.

Image of FIG. 2.
FIG. 2.

TEM cross-section micrograph of a [PT22/PZT22]10 superlattice. The image shows the 90° domain walls (black arrows), characteristic of a/c domain structure. Domains propagate throughout the entire film thickness.

Image of FIG. 3.
FIG. 3.

(Color online) RSMs around the (a) (002) and (b) (103) Bragg peaks of a [STO2/PT8/STO2/PZT10]20 SL grown on STO substrate. The brackets highlight the modulation along [00L] direction. The position of the dashed line is characteristic of the in-plane lattice parameter of the SL, which is different from that of the substrate.

Image of FIG. 4.
FIG. 4.

High magnification along the 010 zone axis (a) and bright field TEM images (b) of a [PT8/STO2/PZT10/STO2]20 SL cross-section. The bright layers in (a) correspond to STO layers. The absence of a-domain is confirmed.

Tables

Generic image for table
Table I.

Structural parameters in PT and PZT 20-80 layers in several SLs. nPT, nSTO, and nPZT represent the thickness in unit cells of PT, STO, and PZT 20-80, respectively.

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/content/aip/journal/apl/99/5/10.1063/1.3619843
2011-08-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Inhibition of polydomain formation in PbTiO3/PbZr0.2Ti0.8O3 superlattices by intercalation of ultra-thin SrTiO3 layers
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/5/10.1063/1.3619843
10.1063/1.3619843
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