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Dielectric properties of ternary scheelite-type molybdate NaSrLa(MoO4)3 ceramics.

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Titel: Dielectric properties of ternary scheelite-type molybdate NaSrLa(MoO4)3 ceramics.
Autoren: Wei, Xiaoli, Liu, Kaiyang, He, Yinghan, Gao, Pengxiang, Chen, Xiuli, Liu, Xiaobin, Zhou, Huanfu
Quelle: Journal of Materials Science: Materials in Electronics; Nov2022, Vol. 33 Issue 32, p24741-24750, 10p
Schlagwörter: DIELECTRIC properties, CERAMICS, RIETVELD refinement, SCANNING electron microscopy, X-ray diffraction, SCHEELITE
Abstract: The novel scheelite-structured NaSrLa(MoO4)3 (abbreviated as NSLM) ceramic was synthesized by traditional solid-state process, and its microwave dielectric properties were investigated. X-ray diffraction (XRD) and Rietveld refinement showed that all samples belonged to the tetragonal scheelite structure. SEM images show that dense ceramics are formed at the optimal sintering temperature of 750 °C, exhibiting excellent microwave dielectric properties (εr = 10.59, Q × f = 58,412 GHz, τf = − 47.78 ppm/°C). P-V-L bond theory was exploited to explain the microwave dielectric properties of the ceramics. In addition, the co-fire compatibility between the ceramic and silver demonstrates that it is an excellent LTCC candidate material. [ABSTRACT FROM AUTHOR]
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Abstract:The novel scheelite-structured NaSrLa(MoO<subscript>4</subscript>)<subscript>3</subscript> (abbreviated as NSLM) ceramic was synthesized by traditional solid-state process, and its microwave dielectric properties were investigated. X-ray diffraction (XRD) and Rietveld refinement showed that all samples belonged to the tetragonal scheelite structure. SEM images show that dense ceramics are formed at the optimal sintering temperature of 750 °C, exhibiting excellent microwave dielectric properties (ε<subscript>r</subscript> = 10.59, Q × f = 58,412 GHz, τ<subscript>f</subscript> = − 47.78 ppm/°C). P-V-L bond theory was exploited to explain the microwave dielectric properties of the ceramics. In addition, the co-fire compatibility between the ceramic and silver demonstrates that it is an excellent LTCC candidate material. [ABSTRACT FROM AUTHOR]
ISSN:09574522
DOI:10.1007/s10854-022-09181-x