Structure and high temperature dielectric properties of Dy and Al co-doped CaTiSiO5 ceramics

Ni, Hanwen; Zhang, Faqiang; He, Zichen; Liu, Zhifu

doi:10.1007/s10854-024-12497-5

J Mater Sci: Mater Electron

2024

DOI: 10.1007/s10854-024-12497-5

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Structure and high temperature dielectric properties of Dy and Al co-doped CaTiSiO5 ceramics

Hanwen Ni,

Faqiang Zhang,

Zichen He

et al.

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2024

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Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO₅ ceramics

Ni,

He,

Liu

2024

J. Adv. Dielect.

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Dielectrics with high permittivity and temperature stability are important for the development of high-temperature multilayer ceramic capacitors (MLCCs). In this study, Ca[Formula: see text]NaxTi[Formula: see text]NbxSiO5 (abbreviated as CTS[Formula: see text]NN) ceramics were prepared by solid-phase reaction method. The introduction of NN weakens the long-range ordered displacement of Ti, leading to a significant increase in the dielectric temperature stability. The CTS−2%NN samples exhibit high permittivity (53) and TCC [Formula: see text] ppm/∘C in the range of [Formula: see text]C to 300∘C. The CTS-based ceramics behave high dielectric temperature stability. In addition, the bandgap of the CTS-based ceramics increased significantly, which is favorable for improving the breakdown strength of the material. For [Formula: see text]% samples, the breakdown strength reaches 621[Formula: see text]kV/cm. Thus, the designed CTS-based dielectrics are promising for high-temperature capacitors.

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Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO₅ ceramics

Ni,

He,

Liu

2024

J. Adv. Dielect.

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show abstract

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Structure and high temperature dielectric properties of Dy and Al co-doped CaTiSiO5 ceramics

Cited by 1 publication

References 56 publications

Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO₅ ceramics

Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO₅ ceramics

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Structure and high temperature dielectric properties of Dy and Al co-doped CaTiSiO5 ceramics

Cited by 1 publication

References 56 publications

Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO5 ceramics

Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO5 ceramics

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Product

Resources

About

Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO₅ ceramics

Effect of A/B sites co-doping on the structure, electric and dielectric properties of CaTiSiO₅ ceramics