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Updated: May 2, 2026
High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia YSZ Scaffolds by In Situ Carbon Templating Xerogels
Published on: April 16, 2017
Optimization of Hot-Press Sintering for Cu2+-Sn4+ Co-Doped YIG Ferrites: Microstructure, Dielectric Properties, and
Yuhao Sun1, Xin Meng1, Jiawen Wu1
1Laboratory for Nanoelectronics and NanoDevices, Department of Electronics Science and Technology, Hangzhou Dianzi University, Hangzhou 310018, China.
Abstract:
Yttrium iron garnet (YIG), as a core material in microwave devices, remains a key focus in materials science for performance optimization. In this study, Y3Fe4.8Cu0.1Sn0.1O12 samples were prepared via the solid-phase method with the co-doping of low-magnetic-anisotropy Cu2+ and Sn4+, combined with hot-press sintering under different conditions. Systematic analyses revealed that hot-press sintering optimized the microstructure, reduced porosity, and improved the compactness to 5.60 g/cm3. The sample hot-pressed sintered at 1200 °C achieved a maximum ε' of 34, the lowest dielectric loss and a minimal FMR linewidth of 21 Oe, thus holding great potential for applications in high-frequency microwave devices requiring low loss and high integration. This work provides a viable approach to regulating the microstructure, dielectric properties, and magnetic properties of YIG ferrites.
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