The growth of bismuth-based cubic pyrochlore dielectric thin films

Bismuth-based cubic pyrochlore thin films, such as Bi1.5ZnNb1.5O7 (BZN) and Bi1.5MgNb1.5O7 (BMN) thin films show attractive properties for microwave tunable system due to their medium dielectric constant, low dielectric loss, and high dielectric tunability. Several deposition technologies are used f...

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Bibliographic Details
Published in:Ceramics international 2019-02, Vol.45 (2), p.1482-1495
Main Authors: Gao, Libin, Liang, Kexin, Guan, Zhipu, Huang, Shixian, Chen, Hongwei, Zhang, Jihua
Format: Article
Language:English
Subjects:
Cubic pyrochlore films
Low loss
Thin film deposition technologies
Tunability
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Summary:Bismuth-based cubic pyrochlore thin films, such as Bi1.5ZnNb1.5O7 (BZN) and Bi1.5MgNb1.5O7 (BMN) thin films show attractive properties for microwave tunable system due to their medium dielectric constant, low dielectric loss, and high dielectric tunability. Several deposition technologies are used for preparing bismuth-based cubic pryochlore thin films. The effects of different thin film deposition approaches on the structure and dielectric properties of BZN/BMN thin films are summarized. The advantages and limitations of bismuth-based cubic pyrochlore thin films deposited by different deposition technologies are also discussed from the viewpoint of dielectric properties.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2018.10.094