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Temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material as well as preparation method and application thereof
The invention discloses a temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material as well as a preparation method and application thereof, wherein the chemical composition of the temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material is Li(GdHoErYbLu)0.2GeO4. According to the temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material prepared by the invention, the temperature coefficient tau f of resonance frequency is small (-3.8 to -1.6 ppm/DEG C), and the temperature stability is good; the dielectric constant of the ceramic reaches 7.1-9.3, and the quality factor Q*f value of the ceramic reaches up to 68,000-95,000 GHz; the ceramic material can be widely used for manufacturing microwave devices such as various dielectric antenna substrates, resonators and filters.
本发明公开一种温度稳定型超低介电常数微波介电高熵陶瓷材料及其制备方法与应用，其中，所述温度稳定型超低介电常数微波介电高熵陶瓷材料的化学组成为Li(GdHoErYbLu)0.2GeO4。本发明制备的温度稳定型超低介电常数微波介电高熵陶瓷材料，其谐振频率的温度系数τf小(‑3.8～‑1.6ppm/℃)，温度稳定性好；其介电常数达到7.1～9.3，品质因数Q×f值高达68000‑95000GHz；可广泛用于各种介质天线基板、谐振器和滤波器等微波器件的制造。
Temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material as well as preparation method and application thereof
The invention discloses a temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material as well as a preparation method and application thereof, wherein the chemical composition of the temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material is Li(GdHoErYbLu)0.2GeO4. According to the temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material prepared by the invention, the temperature coefficient tau f of resonance frequency is small (-3.8 to -1.6 ppm/DEG C), and the temperature stability is good; the dielectric constant of the ceramic reaches 7.1-9.3, and the quality factor Q*f value of the ceramic reaches up to 68,000-95,000 GHz; the ceramic material can be widely used for manufacturing microwave devices such as various dielectric antenna substrates, resonators and filters.
本发明公开一种温度稳定型超低介电常数微波介电高熵陶瓷材料及其制备方法与应用，其中，所述温度稳定型超低介电常数微波介电高熵陶瓷材料的化学组成为Li(GdHoErYbLu)0.2GeO4。本发明制备的温度稳定型超低介电常数微波介电高熵陶瓷材料，其谐振频率的温度系数τf小(‑3.8～‑1.6ppm/℃)，温度稳定性好；其介电常数达到7.1～9.3，品质因数Q×f值高达68000‑95000GHz；可广泛用于各种介质天线基板、谐振器和滤波器等微波器件的制造。
Temperature-stable ultralow-dielectric-constant microwave dielectric high-entropy ceramic material as well as preparation method and application thereof
一种温度稳定型超低介电常数微波介电高熵陶瓷材料及其制备方法与应用
XIANG HUAICHENG (Autor:in) / YAO LEI (Autor:in) / YANG HAITAO (Autor:in)
30.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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