Effects of ZrO2–ZnO on the sintering behavior and microwave dielectric properties of 0.65CaTiO3–0.35SmAlO3 ceramics

Hu, Lisong; Zhou, Hongqing; Sun, Qinglei; Ren, Luchao; Luo, Xianfu; Hu, Yongkang; Xia, Yunsheng

doi:10.1007/s10854-016-5417-1

Cited by 4 publications

(1 citation statement)

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“…It is well known that among the three important characteristics (εr, Q×f and τf ) of dielectric materials, dielectric losses are of prime importance. Dielectric losses depend on various factors including composition, processing and crystal structure [3,4]. Non-centrosymmetric materials exhibit high dielectric losses due to lack of inversion symmetry while centrosymmetric materials exhibit low dielectric losses.…”

Section: Introductionmentioning

confidence: 99%

Phase and microstructural analysis of NdTi0.8M0.2O3.4 (M = Al, Ga) microwave ceramics

Muhammad

Khesro

2019

Matéria (Rio J.)

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In this paper, we report the characterization of NdTi0.8M0.2O3.4 (M = Ga, Al) ceramics prepared via mixed oxide solid state sintering route. X-ray diffraction analysis of the samples revealed the formation of single phase for NdTi 0.8 Ga 0.2 O 3.4 sample while secondary phase was formed in the case of NdTi 0.8 Al 0.2 O 3.4. Microstructural analysis of the sample showed dense packed grains. NdTi0.8M0.2O3.4 with M = Ga and Al exhibited a dielectric constant (r) = 34, quality factor (Q×f) = 9,776 and 10,867 GHz and temperature coefficient of resonance frequency (τf) =-113 and-90 ppm/ o C, respectively. Further work is required on tuning the low τf of the samples for possible applications in the GHz frequency range.

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Section: Introductionmentioning

confidence: 99%