DOI: 10.1111/jace.16169. Good thermal stability, giant permittivity, and low dielectric loss for X9R‐type (Ag1/4Nb3/4)0.005Ti0.995O2 ceramics

Good thermal stability, giant permittivity, and low dielectric loss for X9R‐type (Ag1/4Nb3/4)0.005Ti0.995O2 ceramics

10.1111/jace.16169

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

AbstractWith the intense demand of the developing microelectronics market, the study of giant permittivity dielectric materials is being promoted. However, it is difficult to obtain suitable dielectric materials for such applications, especially due to high dielectric loss at low frequencies. In this work, Ag+Nb codoped TiO2 ceramics were designed and fabricated in a conventional solid reaction by sintering at 1290‐1340°C for 5‐10 hours. The issue of how the microstructure and dielectric properties of (Ag1/4Nb3/4)0.005Ti0.995O2 ceramics are affected by the sintering conditions was discussed. By optimizing sintering conditions, a dense microstructure, a high dielectric constant (εr ≈ 9410), and a low dielectric loss (tanδ ≈ 0.037) at 1 kHz were achieved. Most importantly, the temperature coefficient value of εr at different frequencies remained stable between −14.3% and 13.7% within the temperature range from −190 to 200°C, which has potential applications in X9R capacitor.

Bibliography

Peng, H., Liang, P., Zhou, X., Peng, Z., Xiang, Y., Chao, X., & Yang, Z. (2018). Good thermal stability, giant permittivity, and low dielectric loss for X9Râtype (Ag1/4Nb3/4)0.005Ti0.995O2 ceramics. Journal of the American Ceramic Society, 102(3), 970â975. Portico.

Authors 7

Hui Peng (first)
Pengfei Liang (additional)
Xiaobin Zhou (additional)
Zhanhui Peng (additional)
Yichen Xiang (additional)
Xiaolian Chao (additional)
Zupei Yang (additional)

References 16 Referenced 34

Dates

Type	When
Created	6 years, 10 months ago (Oct. 22, 2018, 6:09 p.m.)
Deposited	1 year, 11 months ago (Sept. 14, 2023, 5:51 p.m.)
Indexed	4 weeks, 2 days ago (Aug. 2, 2025, 1:13 a.m.)
Issued	6 years, 10 months ago (Nov. 1, 2018)
Published	6 years, 10 months ago (Nov. 1, 2018)
Published Online	6 years, 10 months ago (Nov. 1, 2018)
Published Print	6 years, 6 months ago (March 1, 2019)

Funders 1

National Natural Science Foundation of China 10.13039/501100001809
Region: Asia
gov (National government)
Labels11
1. Chinese National Science Foundation
2. Natural Science Foundation of China
3. National Science Foundation of China
4. NNSF of China
5. NSF of China
6. 国家自然科学基金委员会
7. National Nature Science Foundation of China
8. Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
9. NSFC
10. NNSF
11. NNSFC
Awards4
1. 51577111
2. 51872177
3. 51607108
4. 51572163

BibTeX

@article{Peng_2018, title={Good thermal stability, giant permittivity, and low dielectric loss for X9R‐type (Ag1/4Nb3/4)0.005Ti0.995O2 ceramics}, volume={102}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/jace.16169}, DOI={10.1111/jace.16169}, number={3}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={Peng, Hui and Liang, Pengfei and Zhou, Xiaobin and Peng, Zhanhui and Xiang, Yichen and Chao, Xiaolian and Yang, Zupei}, year={2018}, month=nov, pages={970–975} }

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