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Internal relations between crystal structures and dielectric properties of (1-x)BaWO4-xTiO(2)composite ceramics
Wang, YY; Lv, JQ; Xiao, EC; Qi, ZM; Yue, ZX; Chen, Y; Chen, GH; Shi, F
2020-11-01
Source PublicationJOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
ISSN0957-4522
Issue22Pages:19961
SubtypeArticle
Abstract(1-x)BaWO4-xTiO(2)(x = 0.00, 0.05, 0.10, 0.15, 0.20, 0.25, BWT) ceramics were prepared by traditional solid-state method. The XRD patterns indicate that the BWT ceramics exist as composites, and the Raman spectra show that as TiO(2)increases, thev(ext)mode shifts to a low wavenumber and the Ba-O bond length decreases. The variations in FWHM values of thev(3)(E-g) modes and c/a values indicate the changes in the ordered structures that lead to the increase in dielectric loss. The infrared spectra were fitted by the FPSQ model, and the external mode (E-u) contributes most to the dielectric properties, which is related to the Ba-O bond vibration. With the increasein xvalues, the tau(f)values increase from - 101.61 to - 6.71 ppm/degrees C, the epsilon(r)values increase from 8.03 to 9.49, and the 0.75BaWO(4)-0.25TiO(2)ceramic with stable temperature coefficient was obtained:epsilon(r) = 9.49,Q x f = 20,602 GHz (f = 17.99 GHz),tau(f) = - 6.71 ppm/degrees C.
DOI10.1007/s10854-020-04519-9
WOS KeywordMICROWAVE ; TEMPERATURE ; BAWO4 ; SR ; CA ; BEHAVIOR ; AWO(4) ; CAWO4 ; SRWO4 ; ZN
Language英语
WOS Research AreaEngineering ; Materials Science ; Physics
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27735
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, YY,Lv, JQ,Xiao, EC,et al. Internal relations between crystal structures and dielectric properties of (1-x)BaWO4-xTiO(2)composite ceramics[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2020(22):19961.
APA Wang, YY.,Lv, JQ.,Xiao, EC.,Qi, ZM.,Yue, ZX.,...&Shi, F.(2020).Internal relations between crystal structures and dielectric properties of (1-x)BaWO4-xTiO(2)composite ceramics.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS(22),19961.
MLA Wang, YY,et al."Internal relations between crystal structures and dielectric properties of (1-x)BaWO4-xTiO(2)composite ceramics".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS .22(2020):19961.
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