Linear-like NaNbO3-based Lead-free Relaxor Antiferroelectric Ceramics with Excellent Energy-storage and Charge-discharge Properties

Ruijian SHI; Junwei LEI; Yi ZHANG; Aiwen XIE; Ruzhong ZUO

doi:10.15541/jim20230486

Journals >Journal of Inorganic Materials >Volume 39 >Issue 4 >Page 423 > Article

Journal of Inorganic Materials
Vol. 39, Issue 4, 423 (2024)

Linear-like NaNbO₃-based Lead-free Relaxor Antiferroelectric Ceramics with Excellent Energy-storage and Charge-discharge Properties

Ruijian SHI, Junwei LEI, Yi ZHANG, Aiwen XIE^*, and Ruzhong ZUO^*

Author Affiliations

Center for Advanced Ceramics, School of Materials Science and Engineering, Anhui Polytechnic University, Wuhu 241000, China

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DOI: 10.15541/jim20230486 Cite this Article

Ruijian SHI, Junwei LEI, Yi ZHANG, Aiwen XIE, Ruzhong ZUO. Linear-like NaNbO₃-based Lead-free Relaxor Antiferroelectric Ceramics with Excellent Energy-storage and Charge-discharge Properties [J]. Journal of Inorganic Materials, 2024, 39(4): 423 Copy Citation Text

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1. XRD patterns of (0.76-x)NN-0.24BNT-xBMT ceramics with different composition at room temperature

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2. Rietveld refinement results of XRD patterns for (0.76-x)NN-0.24BNT-xBMT ceramics with different compositions

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3. Evolution of lattice constant ratios for (0.76-x)NN-0.24BNT-xBMT ceramics with composition

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4. Grains morphologies of thermally etched surfaces of (0.76-x)NN-0.24BNT-xBMT ceramics and corresponding grain distributions

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5. Temperature dependent curves of ε_r and tanδ of (0.76-x)NN- 0.24BNT-xBMT ceramics

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6. Weibull distributions of (0.76-x)NN-0.24BNT-xBMT ceramics breakdown resistance (a) and variation of E_B with composition (b)

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7. Energy-storage properties of (0.76-x)NN-0.24BNT-xBMT ceramics

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8. Electric field-dependent charge-discharge characteristics of (0.76-x)NN-0.24BNT-xBMT (x=0.050) ceramics

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9. Temperature-dependent charge-discharge characteristics of (0.76-x)NN-0.24BNT-xBMT (x=0.050) ceramics

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x	Space group	Lattice parameters	V/nm³	R_wp/%	R_p/%	χ²
0	Pnma	a=0.77920 nm, b=0.77852 nm, c=2.33854 nm, α=β=γ=90^o	1.418608	5.35	3.70	3.62
0.025	Pnma	a=0.77965 nm, b=0.77897 nm, c=2.34045 nm, α=β=γ=90^o	1.421413	5.20	3.62	3.59
0.050	Pnma	a=0.77899 nm, b=0.77995 nm, c=2.33913 nm, α=β=γ=90^o	1.421193	6.27	4.05	4.17
0.075	Pnma	a=0.78060 nm, b=0.78000 nm, c=2.34481 nm, α=β=γ=90^o	1.427666	4.99	3.56	2.96

Table 1. Refined structural parameters of full spectrum fitting for (0.76-x)NN-0.24BNT-xBMT ceramics

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