التفاصيل البيبلوغرافية
| العنوان: |
Extrinsic permittivity in domain engineered rhombohedral BaTiO3 monocrystal. |
| المؤلفون: |
Bednyakov, P., Savinov, M., Pokorný, J., Hlinka, J. |
| المصدر: |
Journal of Applied Physics; 2018, Vol. 124 Issue 2, pN.PAG-N.PAG, 4p, 1 Color Photograph, 1 Diagram, 2 Graphs |
| مصطلحات موضوعية: |
ELECTRIC properties of single crystals, DIELECTRIC properties, PERMITTIVITY, SINGLE crystals, DOMAIN walls (Ferromagnetism) |
| مستخلص: |
Arrangement of 90-degree domain walls in the domain structure of the ⟨ 111 ⟩ pc -oriented single crystal plates of BaTiO3 was intentionally modified by combinations of in-plane and out-of-plane steady state electric poling at ambient temperature. It is shown that the annealed, in-plane, and out-of-plane poled samples exhibit markedly different dielectric properties at low temperatures. The difference in low-temperature permittivity behavior is enhanced by the out-of-plane fast-decayed bipolar electric pulse treatment, but the efficiency of this enhancement is strongly dependent on the initial domain structure. The absence of a clear signature of the pulse treatment in optical observations of the domain structure suggests that it might involve mostly changes in the 180-degree domain wall subsystem. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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