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High-entropy aluminate microwave dielectric material with near-zero temperature coefficient of resonance frequency and preparation method of high-entropy aluminate microwave dielectric material
The invention discloses a high-entropy aluminate system microwave dielectric material with a near-zero temperature coefficient of resonance frequency, and belongs to the field of microwave electronic ceramic materials, the chemical composition of the material is [MgZnCa] (1-2x)/3 [CoNi] xAl2O4, 0.10 < = x < = 0.30, 1.52 < = delta S < = 1.61 R, and delta S represents configuration entropy, the invention also discloses a preparation method of the material, and the material can be used for preparing the microwave dielectric material with the near-zero temperature coefficient of resonance frequency. Comprising the steps of weighing, ball milling, material drying, calcining, secondary ball milling, material drying, granulating, forming, glue discharging, sintering and the like. The microwave dielectric material provided by the invention has a low dielectric constant (6.79-8.87) and a near-zero temperature coefficient of resonance frequency (-12 ppm/DEG C), so that the microwave dielectric material has a relatively high application prospect in the field of new-generation mobile communication.
本发明公开了一种谐振频率温度系数近零的高熵铝酸盐系微波介电材料，属于微波电子陶瓷材料领域，该材料的化学组成为：[MgZnCa](1‑2x)/3[CoNi]xAl2O4，其中，0.10≤x≤0.30，1.52R≤ΔS≤1.61R，ΔS表示构型熵，本发明还公开了上述材料的制备方法，包括称量、球磨、烘料、煅烧、二次球磨、烘料、造粒、成型、排胶及烧结等步骤；本发明提供的微波介质材料，具有低的介电常数（6.79~8.87）以及近零的谐振频率温度系数（~‑12 ppm/℃），从而在新一代移动通信领域具有较高的应用前景。
High-entropy aluminate microwave dielectric material with near-zero temperature coefficient of resonance frequency and preparation method of high-entropy aluminate microwave dielectric material
The invention discloses a high-entropy aluminate system microwave dielectric material with a near-zero temperature coefficient of resonance frequency, and belongs to the field of microwave electronic ceramic materials, the chemical composition of the material is [MgZnCa] (1-2x)/3 [CoNi] xAl2O4, 0.10 < = x < = 0.30, 1.52 < = delta S < = 1.61 R, and delta S represents configuration entropy, the invention also discloses a preparation method of the material, and the material can be used for preparing the microwave dielectric material with the near-zero temperature coefficient of resonance frequency. Comprising the steps of weighing, ball milling, material drying, calcining, secondary ball milling, material drying, granulating, forming, glue discharging, sintering and the like. The microwave dielectric material provided by the invention has a low dielectric constant (6.79-8.87) and a near-zero temperature coefficient of resonance frequency (-12 ppm/DEG C), so that the microwave dielectric material has a relatively high application prospect in the field of new-generation mobile communication.
本发明公开了一种谐振频率温度系数近零的高熵铝酸盐系微波介电材料，属于微波电子陶瓷材料领域，该材料的化学组成为：[MgZnCa](1‑2x)/3[CoNi]xAl2O4，其中，0.10≤x≤0.30，1.52R≤ΔS≤1.61R，ΔS表示构型熵，本发明还公开了上述材料的制备方法，包括称量、球磨、烘料、煅烧、二次球磨、烘料、造粒、成型、排胶及烧结等步骤；本发明提供的微波介质材料，具有低的介电常数（6.79~8.87）以及近零的谐振频率温度系数（~‑12 ppm/℃），从而在新一代移动通信领域具有较高的应用前景。
High-entropy aluminate microwave dielectric material with near-zero temperature coefficient of resonance frequency and preparation method of high-entropy aluminate microwave dielectric material
一种谐振频率温度系数近零的高熵铝酸盐系微波介电材料及其制备方法
LAI YUANMING (Autor:in) / QI CONG (Autor:in) / LIU FENG (Autor:in) / XIANG PINGWEN (Autor:in) / ZHANG LINQIAO (Autor:in) / ZHONG XIAOLING (Autor:in)
05.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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