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Low-temperature sintered YIG gyromagnetic ferrite material and preparation method thereof
The invention belongs to the technical field of electronic ceramics, and particularly provides a low-temperature sintered YIG gyromagnetic ferrite material and a preparation method thereof which are used for solving the problem that the existing low-temperature sintered YIG gyromagnetic ferrite material is difficult to meet the requirements of low-temperature sintering and excellent gyromagnetic performance under an LTCC process. The low-temperature sintered YIG gyromagnetic ferrite material provided by the invention is Y2.1 Bi0. 9Fe5-3xZn2xVxO12, wherein x is greater than 0 and less than or equal to 0.06, the material has a single garnet structure, Bi < 3 + > ions occupy a garnet lattice dodecahedron and replace part of Y < 3 + > ions, V < 5 + > ions occupy an octahedron and replace part of Fe < 3 + > ions, and meanwhile, metal ions Zn < 2 + > ions are introduced, so that YIG ferrite lattices are replaced and activated by multiple ions, the low-temperature sintering of YIG ferrite at 900-960 DEG C is promoted, and the microwave characteristics of the material are improved, namely, higher saturation magnetization, lower coercive force and lower microwave dielectric loss and magnetic loss, so that the material meets the technical requirements of LTCC, and a basic material is provided for manufacturing microwave ferrite devices with high integration level requirements and small volume requirements.
本发明属于电子陶瓷技术领域，具体提供一种低温烧结YIG旋磁铁氧体材料及其制备方法，用以解决现有低温烧结YIG旋磁铁氧体材料在LTCC工艺下均难以满足低温烧结以及旋磁性能优异要求的问题。本发明提供一种低温烧结YIG旋磁铁氧体材料：Y2.1Bi0.9Fe5‑3xZn2xVxO12、0＜x≤0.06，具有单一石榴石结构，Bi3+离子占据石榴石晶格十二面体、取代一部分Y3+离子，V5+离子占据八面体、取代一部分Fe3+离子，同时引入金属离子Zn2+离子，实现多离子取代活化YIG铁氧体晶格，促进YIG铁氧体900～960℃下低温烧结的同时，改善材料的微波特性：较高的饱和磁化强度、较低的矫顽力、较低的微波介电损耗和磁损耗，使之满足LTCC技术要求，对集成度要求高、体积要求小的微波铁氧体器件的制造提供基础材料。
Low-temperature sintered YIG gyromagnetic ferrite material and preparation method thereof
The invention belongs to the technical field of electronic ceramics, and particularly provides a low-temperature sintered YIG gyromagnetic ferrite material and a preparation method thereof which are used for solving the problem that the existing low-temperature sintered YIG gyromagnetic ferrite material is difficult to meet the requirements of low-temperature sintering and excellent gyromagnetic performance under an LTCC process. The low-temperature sintered YIG gyromagnetic ferrite material provided by the invention is Y2.1 Bi0. 9Fe5-3xZn2xVxO12, wherein x is greater than 0 and less than or equal to 0.06, the material has a single garnet structure, Bi < 3 + > ions occupy a garnet lattice dodecahedron and replace part of Y < 3 + > ions, V < 5 + > ions occupy an octahedron and replace part of Fe < 3 + > ions, and meanwhile, metal ions Zn < 2 + > ions are introduced, so that YIG ferrite lattices are replaced and activated by multiple ions, the low-temperature sintering of YIG ferrite at 900-960 DEG C is promoted, and the microwave characteristics of the material are improved, namely, higher saturation magnetization, lower coercive force and lower microwave dielectric loss and magnetic loss, so that the material meets the technical requirements of LTCC, and a basic material is provided for manufacturing microwave ferrite devices with high integration level requirements and small volume requirements.
本发明属于电子陶瓷技术领域，具体提供一种低温烧结YIG旋磁铁氧体材料及其制备方法，用以解决现有低温烧结YIG旋磁铁氧体材料在LTCC工艺下均难以满足低温烧结以及旋磁性能优异要求的问题。本发明提供一种低温烧结YIG旋磁铁氧体材料：Y2.1Bi0.9Fe5‑3xZn2xVxO12、0＜x≤0.06，具有单一石榴石结构，Bi3+离子占据石榴石晶格十二面体、取代一部分Y3+离子，V5+离子占据八面体、取代一部分Fe3+离子，同时引入金属离子Zn2+离子，实现多离子取代活化YIG铁氧体晶格，促进YIG铁氧体900～960℃下低温烧结的同时，改善材料的微波特性：较高的饱和磁化强度、较低的矫顽力、较低的微波介电损耗和磁损耗，使之满足LTCC技术要求，对集成度要求高、体积要求小的微波铁氧体器件的制造提供基础材料。
Low-temperature sintered YIG gyromagnetic ferrite material and preparation method thereof
一种低温烧结YIG旋磁铁氧体材料及其制备方法
MA YONGXIANG (Autor:in) / ZHANG HUAIWU (Autor:in) / LI JIE (Autor:in) / XU BINGCHUAN (Autor:in)
10.08.2021
Patent
Elektronische Ressource
Chinesisch
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