Crystal structure, Raman spectra and microwave dielectric properties of novel temperature-stable LiYbSiO4 ceramics
Source abstract
Abstract
Abstract Olivine−type structure microwave dielectric ceramics LiYbSiO4 with near-zero τf were fabricated by solid-state reaction process for the first time. The relationships among structural parameters, sintering behavior, vibrational modes and microwave dielectric properties for the ceramics were studied. The variation in er could be correlated with Raman shift. The variation in Q×f values was inversely correlated to FWMH and average cation covalency. The τf values were explained with the bond valence sum of cations. Single phase LiYbSiO4 ceramics could be obtained at the range of 1100–1140 °C and showed promising microwave dielectric properties with er = 7.36 – 7.42, Q×f = 19081 – 25276 GHz and τf = +4.52 – +8.03 ppm/°C.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Microwave Dielectric Ceramics Synthesis · Ferroelectric and Piezoelectric Materials · Dielectric properties of ceramics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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