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Imaging planar tetragonal sheets in rhombohedral Na0.5Bi0.5TiO3 using transmission electron microscopy
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Beanland, R. and Thomas, Pam A. (2011) Imaging planar tetragonal sheets in rhombohedral Na0.5Bi0.5TiO3 using transmission electron microscopy. Scripta Materialia, Vol.65 (No.5). pp. 440-443. doi:10.1016/j.scriptamat.2011.05.031
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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2011.05.031
Abstract
Planar nanometre-scale inclusions in single-crystal Na(0.5)Bi(0.5)TiO(3) have been investigated using transmission electron microscopy at room temperature. In diffraction patterns, they give rise to weak extra spots and diffuse contrast. Here we show that they are visible in diffraction contrast images, giving a new route to directly observe subtly different structures in perovskites. Visibility is determined by their structure and diffraction vector. We show that single-crystal a(-)a(-)a(-) Na(0.5)Bi(0.5)TiO(3) contains an inhomogeneous distribution of nanometre-scale {0 0 1} platelets of tetragonal a(0)a(0)c(+) material.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics Q Science > QD Chemistry T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Transmission electron microscopy, Electrons -- Diffraction, Ferroelectric crystals, Electronic ceramics, Crystals -- Defects | ||||
| Journal or Publication Title: | Scripta Materialia | ||||
| Publisher: | Pergamon | ||||
| ISSN: | 13596462 | ||||
| Official Date: | September 2011 | ||||
| Dates: |
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| Volume: | Vol.65 | ||||
| Number: | No.5 | ||||
| Page Range: | pp. 440-443 | ||||
| DOI: | 10.1016/j.scriptamat.2011.05.031 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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