The effects of double-site yttria-doping on the structures and dielectric properties of (Ca,Sr)z(Zr,Ti)O3−δ perovskite ceramics

Chen, Ying; Pang, Qingyang; Wang, Genshui; Zhang, Zhaoquan; Zhu, Chenxi; Li, Xin; Wu, Liangcai; Song, Zhitang

doi:10.1039/d3ma00392b

Mater. Adv.

2023

DOI: 10.1039/d3ma00392b

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The effects of double-site yttria-doping on the structures and dielectric properties of (Ca,Sr)_z(Zr,Ti)O_3−δ perovskite ceramics

Ying Chen,

Qingyang Pang,

Genshui Wang

et al.

Abstract: Double-site yttria-doping (Ca,Sr)z(Zr,Ti)O3-δ (CSZTY) ceramics were synthesized by using solid-state reaction method. The correlations among the crystal structure, microstructure and microwave dielectric properties were investigated. Their structures were characterized by...

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2024

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Structure, electric, and dielectric properties of (Sr _0.7Ca _0.3) _1.02(Zr _{0.95−
x}Ti _0.05Mn _x)O _{3+
δ} ceramics for BME-MLCCs application

Pang,

Chen,

Wang

et al. 2024

Journal of Advanced Ceramics

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Zirconate-based dielectric ceramics are potential materials for base metal electrodes multilayer ceramic capacitors (BME-MLCCs) due to the exceptional chemical and thermal stability, as well as excellent dielectric properties. In this work, (Sr0.7Ca0.3)1.02(Zr0.95-xTi0.05Mnx)O3+δ (SCZTM, 0 ≤ x ≤ 0.05) ceramics with two coexisting phases were prepared using solid-state reaction method in reducing atmosphere. This study investigates the impact of Mn doping on sintering temperature, microstructure, electric and electrical properties of SCZTM ceramics. The doping of Mn can reduce sintering temperature from 1450 ℃ to 1300 ℃. The impact of Mn doping on structure and phonon vibration is minimal, resulting in a negligible effect on intrinsic loss. The valence states of Mn ions and defects are characterized by X-ray photoelectron spectroscopy (XPS) and thermal stimulated depolarization current (TSDC). The results demonstrate the significant role of Mn doping in nonintrinsic loss. Due to the decrease in concentrate of oxygen vacancies (𝑉 𝑂 •• ), the SCZTM (x = 0.01) ceramics exhibit attractive properties: ρ = 8.93 × 10 14 Ω•cm, εr = 36.16, tan δ = 2.43 × 10 -4 , τε = 15.44 ppm/˚C (@-55~200 ℃, 1 MHz), and Q×f = 30,257 GHz (@6.12 GHz), τf = -9.9 ppm/℃. The SCZTM (x = 0.01) ceramic powders have been used to successfully fabricate Ni-based MLCCs with high insulation resistance of IR ≥ 39.6 TΩ, ultra-low dielectric loss of tan δ = 0.2 × 10 -4 and wide operating temperature range (Tcc = 10.88 ppm/˚C, @-55~200 ℃, 1MHz). SCZTM ceramics exhibit properties that make them suitable for use as BME-MLCCs materials with potential market applications.

show abstract

Structure, electric, and dielectric properties of (Sr _0.7Ca _0.3) _1.02(Zr _{0.95−
x}Ti _0.05Mn _x)O _{3+
δ} ceramics for BME-MLCCs application

Pang,

Chen,

Wang

et al. 2024

Journal of Advanced Ceramics

View full text Add to dashboard Cite

show abstract

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The effects of double-site yttria-doping on the structures and dielectric properties of (Ca,Sr)_z(Zr,Ti)O_3−δ perovskite ceramics

Abstract: Double-site yttria-doping (Ca,Sr)z(Zr,Ti)O3-δ (CSZTY) ceramics were synthesized by using solid-state reaction method. The correlations among the crystal structure, microstructure and microwave dielectric properties were investigated. Their structures were characterized by...

Cited by 1 publication

References 25 publications

Structure, electric, and dielectric properties of (Sr _0.7Ca _0.3) _1.02(Zr _{0.95−
x}Ti _0.05Mn _x)O _{3+
δ} ceramics for BME-MLCCs application

Structure, electric, and dielectric properties of (Sr _0.7Ca _0.3) _1.02(Zr _{0.95−
x}Ti _0.05Mn _x)O _{3+
δ} ceramics for BME-MLCCs application

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The effects of double-site yttria-doping on the structures and dielectric properties of (Ca,Sr)z(Zr,Ti)O3−δ perovskite ceramics

Abstract: Double-site yttria-doping (Ca,Sr)z(Zr,Ti)O3-δ (CSZTY) ceramics were synthesized by using solid-state reaction method. The correlations among the crystal structure, microstructure and microwave dielectric properties were investigated. Their structures were characterized by...

Cited by 1 publication

References 25 publications

Structure, electric, and dielectric properties of (Sr 0.7Ca 0.3) 1.02(Zr 0.95− x Ti 0.05Mn x )O 3+ δ ceramics for BME-MLCCs application

Structure, electric, and dielectric properties of (Sr 0.7Ca 0.3) 1.02(Zr 0.95− x Ti 0.05Mn x )O 3+ δ ceramics for BME-MLCCs application

Contact Info

Product

Resources

About

The effects of double-site yttria-doping on the structures and dielectric properties of (Ca,Sr)_z(Zr,Ti)O_3−δ perovskite ceramics

Structure, electric, and dielectric properties of (Sr _0.7Ca _0.3) _1.02(Zr _{0.95−
x}Ti _0.05Mn _x)O _{3+
δ} ceramics for BME-MLCCs application

Structure, electric, and dielectric properties of (Sr _0.7Ca _0.3) _1.02(Zr _{0.95−
x}Ti _0.05Mn _x)O _{3+
δ} ceramics for BME-MLCCs application