Pan Chen1,2,3, Baojin Chu1,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.26, No.4, pp. 1-1, 2023, DOI:10.32604/icces.2023.09199
Abstract Generally, film dielectric materials often exhibit size-dependent structure and electric properties. In this
work, we demonstrate a similar behavior in bulk Na0.5Bi0.5TiO3 (NBT)-based polycrystalline ceramics.
According to the results from X-ray diffraction, the (Na0.5Bi0.5)0.92Ba0.08Ti0.99Mg0.01O2.99 (NBT8M1.0) ceramic
showed a complex structure that consists of rhombohedral, tetragonal and cubic symmetries. We found,
when decreasing the thickness of a ϕ 10 mm NBT8M1.0 ceramic from 1230 μm to 230 μm, the ceramic
showed increased content of cubic symmetry (CC) from 28% to 56%. Meanwhile, the piezoelectric response
(d33) increased from 107 pC/N to 134 pC/N and the depolarization temperature (Td) decreased… More >
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