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AgNbO3 ceramics synthesized by aqueous solution-gel method

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Abstract

AgNbO3 powders and ceramics were prepared by aqueous solution-gel method. The phase evolution of the powders was investigated by TG/DSC and XRD. The results showed that the pure AgNbO3 phase was obtained at 600 °C without special treatment. The sintering behavior and dielectric properties of the AgNbO3 ceramics were also investigated. It showed the dense ceramics were obtained as lower as 925 °C, which had the excellent dielectric properties with the permittivity of 291 and dielectric loss of about 1.7% at 1 MHz. The coarse grains were observed for the sample sintered over 975 °C, and then they decreased with the sintering temperature further increasing to 1,050 °C.

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Acknowledgments

This work is supported by NSFC project of China (61025002), National 973-project of China (2009CB623302) and International S&T Cooperation Program of China (2009DFA51820).

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Authors and Affiliations

  1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi’an Jiaotong University, Xi’an, 710049, China

    Weihong Liu & Hong Wang

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  1. Weihong Liu
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  2. Hong Wang
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Correspondence to Hong Wang.

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Liu, W., Wang, H. AgNbO3 ceramics synthesized by aqueous solution-gel method. J Sol-Gel Sci Technol 58, 96–101 (2011). https://doi.org/10.1007/s10971-010-2361-z

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  • DOI: https://doi.org/10.1007/s10971-010-2361-z

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