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http://hdl.handle.net/10397/20667
| Title: | Ferroelectric domain structures in <001>-oriented K0.15Na0.85NbO3 lead-free single crystal | Authors: | Chen, Y Wong, CM Deng, H Yau, HM Wang, D Yan, Z Luo, H Chan, HLW Dai, J |
Issue Date: | 2015 | Source: | AIP Advances, 2015, v. 5, no. 3, 37117, p. 037117-1-037117-6 | Abstract: | In this work, ferroelectric domain structures of <001 >-oriented K0.15Na0.85NbO3 single crystal are characterized. Transmission electron microscopy (TEM) observation revealed high-density of laminate domain structures in the crystal and the lattices of the neighboring domains are found to be twisted in a small angle. Superlattice diffraction spots of 1/2 {eeo } and 1/2 {ooe} in electron diffraction patterns are observed in the crystal, revealing the a+a+c- tilting of oxygen octahedral in the perovskite structure. The piezoresponse of domains and in-situ poling responses of K0.15Na0.85NbO3 crystal are observed by piezoresponse force microscopy (PFM), and the results assure its good ferroelectric properties. | Publisher: | American Institute of Physics Inc. | Journal: | AIP Advances | ISSN: | 2158-3226 | DOI: | 10.1063/1.4914936 | Rights: | © 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License (https://creativecommons.org/licenses/by/3.0/). The following publication Y. Chen et al., AIP Advances 5, 037117 (2015) is available at https://dx.doi.org/10.1063/1.4914936 |
| Appears in Collections: | Journal/Magazine Article |
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|---|---|---|---|---|
| Chen_Ferroelectric_Domain_Lead-free.pdf | 4.58 MB | Adobe PDF | View/Open |
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