Abstract
The solid solutions of the niobium oxides were prepared using two-stage solid-phase synthesis and sintering by conventional ceramic technology. The dissipative characteristics of the solutions were studied experimentally in the microwave frequency range 1.0–11.0 GHz. It is shown that the maximum of microwave power absorption is observed usually near the phase boundaries in the systems of solid solutions, containing phase transitions of different nature. It is suggested that this behavior is connected with development of the defective structures in the corresponding media due to breaking of chemical bonds during the structure adjustments, accumulation of vacancies and impurity phases and increasing the number of interfaces. The obtained results open a possibility for development of new functional materials, which may be used in a variety of industrial applications operating within microwave frequency band. In particular, these materials may be employed to solve the problem of electromagnetic compatibility (EMC) of different radio-electronic systems, as well as the problem of protection against electromagnetic interference and development of passive microwave components including integrated circuit components.
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Acknowledgments
This work was financially supported by the Ministry of Education and Science of the Russian Federation: Agreement No. 14.575.21.0007 (Federal Target Program).
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Abubakarov, A.G. et al. (2016). Features of Electromagnetic Microwave Radiation Absorption by Ferroelectric Complex Niobium Oxides. In: Parinov, I., Chang, SH., Topolov, V. (eds) Advanced Materials. Springer Proceedings in Physics, vol 175. Springer, Cham. https://doi.org/10.1007/978-3-319-26324-3_17
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DOI: https://doi.org/10.1007/978-3-319-26324-3_17
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