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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 13/2021

11.06.2021

Lattice vibrational characteristics, crystal structure, and dielectric properties of single-phase Sr(Mg1/2Mo1/2)O3 microwave dielectric ceramic

verfasst von: Wenhao Yu, Jiqing Lv, Feng Shi, Kaixin Song, Wen Lei, Huanfu Zhou, Ze-Ming Qi, Jing Wang

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 13/2021

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Abstract

Sr(Mg1/2Mo1/2)O3 (SMM) microwave dielectric ceramic was prepared by a solid-state sintering method. X-ray diffraction shows that the sample is a single-phase SMM with a tetragonal double perovskite structure (Fm-3m). Raman scattering and FTIR spectroscopy analyze the vibration characteristics of lattice. The far-infrared spectra of SMM ceramics fitted by a FPSQ model are obtained, εr = 7.39 and tanδ = 8.19 × 10–4. The theoretical properties calculated by the C-M and damping equations are of εr = 7.03 and tanδ = 6.19 × 10–4, which agrees well with the experimental values (εr = 7.84 and tanδ = 6.59 × 10–4). The results show that the stretching vibration of Mg/MoO6 has the greatest influence on the dielectric properties of the SMM sample.
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Metadaten
Titel
Lattice vibrational characteristics, crystal structure, and dielectric properties of single-phase Sr(Mg1/2Mo1/2)O3 microwave dielectric ceramic
verfasst von
Wenhao Yu
Jiqing Lv
Feng Shi
Kaixin Song
Wen Lei
Huanfu Zhou
Ze-Ming Qi
Jing Wang
Publikationsdatum
11.06.2021
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 13/2021
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-021-06182-0

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