1.微波介质陶瓷与器件（Microwave dielectric ceramics and devices） 

　　1.1 概述 

　　微波介质陶瓷是指应用于微波频段电路中作为介质材料并完成一种或多种功能的陶瓷材料。微波介质陶瓷作为一种新型电子材料，在微波通信中被用作谐振器、滤波器、介质基片、介质天线等，在卫星通信、北斗导航、电子对抗、5G、物联网等领域具有广泛应用。本课题组是国内最早开展微波介质陶瓷及其器件研究的团队之一，在微波介质陶瓷的组成设计、构性关系、介电机理、结构功能一体化及工程化研究等方面具有丰富的研究经验，相关研究成果已获得成功应用，为我国的国防建设作出了突出贡献。 

　　Microwave dielectric ceramics refer to ceramic materials which are used as dielectric materials in microwave frequency band circuits and perform one or more functions. As a new electronic material, microwave dielectric ceramics has been used as resonator, filter, dielectric substrate and dielectric antenna in microwave communication, and has been widely used in satellite communication, Beidou navigation, electronic countermeasures, 5G, Internet of Things and other fields. Our group is the earliest one of the team to carry out research in microwave dielectric ceramics and its components, we have rich research experience in the microwave dielectric ceramic composition design, structure relationship, dielectric mechanism, the structure and function integration and engineering research. Related research results have been successfully applied, our group has made a great contribution for our country to the national defense construction. 

　　1.2 研究内容 

　　（1）超高Q值微波介质陶瓷 

　　Ultra-high Q microwave dielectric ceramics 

　　（2）微波介质陶瓷介电损耗机理

　　Dielectric loss mechanism of microwave dielectric ceramics 

　　（3）超低介电常数微波介质陶瓷 

　　Microwave dielectric ceramics with ultra-low dielectric constant 

　　（4）陶瓷异质集成微波器件 

　　Heterogeneous integrated ceramic based microwave device 

　　（5）单层陶瓷电容器 

　　Single-layer ceramic capacitor 

　　（6）微波介质陶瓷产业化技术 

　　Industrialization technology of microwave dielectric ceramics 

　　1.3 代表性论文 

1. Mingzhao Dang，Haishen Ren，Xiaogang Yao， Haiyi Peng， Tianyi Xie，Huixing Lin，Investigation of phase composition and microwave dielectric properties of MgO-Ta₂O₅ ceramics with ultrahigh Qf value，Journal of the American Ceramic Society，2018：3026-3030. 
2. Haiyi Peng，Haishen Ren，Mingzhao Dang，Yi Zhang，Xiaogang Yao， Huixing Lin，Investigation on the anti-reduction mechanism of Ti⁴⁺ in high dielectric constant system Ca_0.9La_0.067TiO₃ by doping with Al₂O₃，Ceramics International，2018，44（6）：6527-6532. 
3. Haishen Ren，Haiyi Peng，Tianyi Xie，Xiaogang Yao，Huixing Lin，Low loss and temperature stable microwave dielectric ceramicsin (1-x)Li₂TiO₃–xLi₂Mg₃TiO₆ (0.1≤x≤0.5) system，Journal of Materials Science: Materials in Electronics，2018，29（9）：7114–7118. 
4. Mingzhao Dang，Haishen Ren，Tianyi Xie，Xiaogang Yao，Huixing Lin，Lan Luo，Effects of B₂O₃ additive on ultra-low-loss Mg₄Ta₂O₉ microwave dielectric ceramics，Journal of Materials Science: Materials in Electronics，2018，29（1）：568-572. 

Ca_0.9La_0.067TiO₃+Al₂O₃陶瓷的XRD结构精修结果

xMgO-Ta₂O₅陶瓷在最佳温度下烧结后的SEM照片 

 

　　2.有机-无机复合介质材料与应用研究（The research on organic-inorganic composite dielectric materials and their applications） 

　　2.1 概述 

　　有机-无机复合介质材料是一类以有机聚合物为基体，填入具有良好微波介电性能的无机功能组分（陶瓷、玻纤等）后制成的复合材料。有机-无机复合介质材料兼具树脂的高可靠性、优异的加工特性和无机填料优异的介电、热学等性能，在航空航天、电子对抗、5G通信、人工智能等领域具有重要的应用前景。 

　　The organic-inorganic composite dielectric material is a kind of composite which uses organic polymer as matrix and loads inorganic functional components (ceramics, fibers, etc.) with excellent microwave dielectric properties. Because the composite possesses excellent reliability and machinability of polymer and dielectric and thermal properties of ceramics. They have become candidate materials for many fields such as aerospace, electronic countermeasure, 5G communication, artificial intelligence and so on.

　　2.2 研究内容 

　　（1）PTFE基超低损耗微波复合介质材料 

　　Investigation on dielectric properties of PTFE based composite with ultra-low dielectric loss. 

　　（2）系列化介电常数的微波复合介质基板工程化研究 

　　Applications in PPO based microwave composite with series dielectric constant. 

　　（3）高导热微波复合介质材料结构设计与性能调控 

　　Microstructure control of orientated high thermal conductivity composite. 

　　（4）新型流体复合介质材料开发与应用研究 

　　Dielectric properties and microstructure control of fluid dielectric composite. 

　　（5）高耐温热固性微波复合介质基板 

　　Multilayer thermosetting composite substrate with high temperature resistant. 

　　2.3 代表性论文 

1. Haiyi Peng, Jian Huang, Xiaogang Yao*，Huixing Lin*，Parallel structure enhanced polysilylaryl-enyne/Ca_0.9La_0.067TiO₃ composites with ultra-high dielectric constant and thermal conductivity，ACS Appl. Mater. Interfaces，2022, 14：45893-45903
2. Haiyi Peng*, Jian Huang, Xiaogang Yao*，Huixing Lin，Study on properties of Ca_0.9La_0.067TiO₃-0.01Al₂O₃ ceramics reinforced PSAE/fiber composite substrate with high εr，J. Am. Ceram. Soc.，2022：1-9
3. Haiyi Peng, Yanchun Huang, Shifeng Deng, Xiaogang Yao*, Huixing Lin*, Investigation on a novel polysilylaryl-enyne/Ca_0.7La_0.2TiO₃ composite with an ultra-high dielectric constant and excellent temperature resistance, Composites Science and Technology 200 (2020) 108447
4. Shengang Ding, Haiyi Peng, Haishen Ren, Tianyi Xie, Xiaogang Yao*, Kaixin Song*, Investigation on preparation and properties of novel polyphenylene oxide based composites by injection molding, Ceramics International, doi.org/10.1016/j.ceramint.2020.08.078
5. Yanchun Huang, Haiyi Peng, Heng Zhang, Huixing Lin, Shifeng Deng, A novel thermosetting composite with excellent high-frequency dielectric properties and ultra-high-temperature resistance, Journal of Materials Science: Materials in Electronics (2019) 30:21495.
6. Haiyi Peng, Haishen Ren, Mingzhao Dang, Yi Zhang, Zhongyuan Gu, Xiaogang Yao, Huixing Lin, The dimensional effect of MgTiO₃ ceramic fller on the microwave dielectric properties of PTFE/MgTiO₃ composite with ultra-low dielectric loss, Journal of Materials Science: Materials in Electronics (2019) 30:6680
7. Haiyi Peng, Haishen Ren, Mingzhao Dang, Yi Zhang, Xiaogang Yao, Huixing Lin, Novel high dielectric constant and low loss PTFE/CNT composites, Ceramics International, 44 (2018) 16556

PSAE/CLT复合材料的介电性能随CLT陶瓷比例的变化曲线

PSAE/CLT复合材料的热导率随CLT陶瓷比例的变化曲线

PSAE树脂及其复合材料的制备过程示意图 

 

　　3.微晶玻璃与封接玻璃材料及其应用研究（Research on glass-ceramic and sealing glass materials and their applications） 

　　3.1 概述 

　　微晶玻璃是在一定温度制度下进行晶化热处理，在玻璃内均匀地析出大量的微小晶体，形成致密的微晶相和玻璃相的多相复合体。通过控制微晶的种类数量、尺寸大小等，可以获得透明微晶玻璃、膨胀系数为零的微晶玻璃、可切削微晶玻璃、微波介质微晶玻璃等，广泛应用于航空航天、5G通讯等领域。 

　　封接玻璃能够将金属或合金、陶瓷、其他玻璃及复合材料等相互间封接起来的中间层玻璃。相比于高分子材料，它们在气密性和耐热性上有突出的优点，相比于金属、陶瓷等封接材料，具有化学稳定性、耐热性和较强的机械强度、极高的绝缘性等，广泛应用于各种传感器、馈通件、继电器等电子领域、SOFC电堆封装等领域。 

　　Glass ceramics are crystallized at a certain temperature system, and a large number of micro crystals are uniformly precipitated in the glass, forming a dense multiphase composite of microcrystalline phase and glass phase. Transparent glass ceramics, glass ceramics with zero expansion coefficient, machinable glass ceramics and microwave dielectric glass ceramics can be obtained by controlling the type, quantity and size of microcrystals, which are widely used in aerospace, 5G communication and other fields.

　　Sealing glass is a kind of intermediate glass which can seal metal or alloy, ceramic, other glass and composite materials. Compared with polymer materials, they have outstanding advantages in air tightness and heat resistance. Compared with metal and ceramic sealing materials, they have chemical stability, heat resistance, strong mechanical strength and high insulation. It is widely used in various sensors, feedthrough devices, relays and other electronic fields, SOFC stack packaging and other fields.

　　3.2 研究内容 

　　（1）超低膨胀系数微晶玻璃材料设计、制备及其工程化应用研究 

　　Design, Preparation and Engineering application Research of glass-ceramics with ultra low expansion coefficient.  

　　（2）高膨胀高温高绝缘封接玻璃材料设计与应用

　　Design and application of glass materials with high expansion coefficient and high insulation. 

　　（3）低熔点封接玻璃材料设计与应用

　　Design and application of low melting point sealing glass material. 

　　（4）功能化助烧微晶玻璃的设计及其在HTCC/LTCC领域应用

　　Design of functional sintering aid glass-ceramic and its application in HTCC / LTCC field. 

　　（5）介电常数系列化微波介质微晶玻璃及其在通讯领域应用

　　Study on series of dielectric constant microwave dielectric glass ceramics and its application in communication field 

　　3.3 代表性论文 

1. Ren Haishen, Jiang Shaohu, Dang Mingzhao, et al. Investigating on sintering mechanism and adjustable dielectric properties of BLMT glass/Li₂Zn₃Ti₄O₁₂ composites for LTCC applications. Journal of Alloys and Compounds, 2018, 740: 1188-1196. 
2. Ren Haishen, Xie Tianyi, Dang Mingzhao, et al. Sintering mechanism and microwave dielectric properties of BaTi₄O₉-BBZ composite for LTCC technology. Ceramics International, 2017, 43: 12863–12869.  
3. Ren Haishen, Dang Mingzhao, Wang Huijun, et al. Sintering behavior and microwave dielectric properties of B₂O₃-La₂O₃-MgO-TiO₂ based glass-ceramic for LTCC applications. Materials Letters, 2018, 210: 113–116.  
4. Ren Haishen, Yao Xiaogang, Xie Tianyi, et al. Low temperature sintering process, phase evolution and dielectric properties of BaTi₄O₉-flled B–La–Mg–Ti–O glass/ceramic composites. Journal of Materials Science: Materials in Electronics, 2017, 28: 18646–18655.  
5. Ren Haishen, Xie Tianyi, Dang Mingzhao, et al. The influence of BBZ glass on phase evolution, sintering behavior and dielectric properties of BaTi₄O₉ ceramics. Journal of Materials Science: Materials in Electronics, 2017, 28: 19090–19097. 
6. Ren Haishen, Liang Hao, Haiyi Peng, et al. Investigation on low-temperature sinterable behavior and tunable dielectric properties of BLMT glass-Li₂ZnTi₃O₈ composite ceramics. Journal of the European Ceramic Society, 2018,38:  3498-3504. 

介电常数系列化微波介质微晶玻璃性能调控

 

EBSD表征微晶玻璃析晶过程