Microstructure, electrical and optical properties of NBT– x BZT lead-free single crystals
Journal of Alloys and Compounds, ISSN: 0925-8388, Vol: 861, Page: 157949
2021
- 2Citations
- 5Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Lead-free single crystals (100- x )Na 0.5 Bi 0.5 TiO 3 - x Bi(Zn 0.5 Ti 0.5 )O 3 ( x = 0, 8, 20, 30) were grown by the top seeded solution growth (TSSG) method. With the addition of Bi(Zn 0.5 Ti 0.5 )O 3 (BZT), the NBT- x BZT crystals change from rhombohedral to tetragonal and the NBT-8BZT lead-free single crystals are near the morphotropic phase boundary (MPB) by studying the phase structures via X-ray powder diffraction (XRPD) and the domain structures via polarizing microscope (PLM). And with the addition of BZT, the electrical performances of NBT- x BZT crystals exhibit a trend of increasing firstly and then decreasing, in which the maximum values of piezoelectric constant d 33 can be found in NBT-8BZT crystals, being 127 pC/N. The improvements of electrical performance can be attributed to the coexistence of rhombohedral and tetragonal near MPB with more possible crystallographic orientations, inducing crystals can be poled more easily, which can be verified by the piezo-response force microscopy (PFM). Furthermore, the trend of optical properties is similar to the electrical properties, in which the maximum optical transmittance is as much as 90%.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0925838820343139; http://dx.doi.org/10.1016/j.jallcom.2020.157949; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85096942353&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0925838820343139; https://api.elsevier.com/content/article/PII:S0925838820343139?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S0925838820343139?httpAccept=text/plain; https://dul.usage.elsevier.com/doi/; https://dx.doi.org/10.1016/j.jallcom.2020.157949
Elsevier BV
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