Abstract
We have developed a new superlattice technique to artificially control the B-site ordering state. The technique has been applied to Ba(Zr0.2Ti0.8)O3, in which B-site ions are not naturally ordered. XRD measurements and theoretical calculations of the XRD patterns with a step model indicated that the BZT superlattices were well constructed. We also carried out measurement of dielectric properties for samples in various B-site ordering states. The existence of relaxor behavior in BZT with x=0.2 was confirmed in a superlattice sample with an ordering ratio below 25%. For the homovalent-system compound BZT, we have succeeded in controlling the B-site ordering state and have demonstrated the influence of the order–disorder transition for the first time. We believe that this technique could be a key method for investigating the exact origin of relaxor behavior.
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Tabata, H. Relaxor Superlattices: Artificial Control of the Ordered–Disordered State of B-Site Ions in Perovskites. In: Professor Okuyama, M., Ishibashi, Y. (eds) Ferroelectric Thin Films. Topics in Applied Physics, vol 98. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31479-0_9
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DOI: https://doi.org/10.1007/978-3-540-31479-0_9
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Publisher Name: Springer, Berlin, Heidelberg
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Online ISBN: 978-3-540-31479-0
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