Comprehensive Structural Analysis Identifies the Relationships Between the Electrical Characteristics of Environmentally Friendly NBTMn-BAl-NaNb Ceramics
Gadiraju Venkata Vijaya Bhaskara Rao, Sobhanachalam p, Vijaya Dasaradha Sani, B. Avula, Giridhar Babu N, K. R. Kandula, Goutham Cilaveni, Ashok A, Anees Ansari, Sambasiva Rao T, Gangadhar S, Chittibabu A
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引用次数: 0
Abstract
We give an in-depth examination of the structural and electrical features of NBTMn-BAl-NaNb ceramics. The comprehensive structural investigation indicated an important connection among the phase and polarization mechanisms of the compounds/samples by Nb substitution. The quantitative study of phase contribution shown by Raman spectroscopy is confirmed by structural refinement inquiries. The significant polarization difference in NBTMn–BAl–NaNb was found to be in excellent agreement with the structural presence of a dual phase contribution, which was confirmed through structural refinement. The substitution of NaNb in NBTMn–BAl led to a significant shift in average grain size (~1 μm). It was additionally found that the dielectric constant of NBTMn–BAl–NaNb was greater than typical, lowering the depolarization temperature. This modification resulted in reduced dielectric loss as well as shifts in coordination and structural features. The room-temperature bipolar and unipolar strain S(%) ~1.5, and the fact that the substitution of NaNb leads to an increase in both (bipolar and unipolar), represents structural symmetry modulation. As a result of this, these were discovered to be feasible prospects for current generation applications.