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Scientific and Engineering Issues of the State-of-the-Art and Future Multilayer Capacitors

机译:最新和未来的多层电容器的科学和工程问题

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摘要

BaTiO_3-based multilayer capacitors are rich with the science of crystal chemistry, defect chemistry, phase transition theory, ferroelectricity, and processing. State-of-the-art multilayer capacitors are fabricated with base metals, submicron grains and have thickness of layers approaching one micron. There are, however, needs to keep improving the volumetric efficiency of capacitance, improve reliability in thin layers, and increase the number of active layers. This paper summarizes and reviews some of the studies our group is performing to scientifically aid progress in this fast moving field. Specifically, we will review size effect issues, the role of rare-earth doping in improving degradation resistance, and the potential of electrophoretic deposition to produce multilayer structures with nanopowders.
机译:基于BaTiO_3的多层电容器具有丰富的晶体化学,缺陷化学,相变理论,铁电和加工技术。最先进的多层电容器是用贱金属,亚微米晶粒制造的,层的厚度接近一微米。但是,需要不断提高电容的体积效率,提高薄层的可靠性,并增加有源层的数量。本文总结并回顾了我们小组为科学地促进这一快速发展领域的进展而进行的一些研究。具体来说,我们将审查尺寸效应问题,稀土掺杂在改善抗降解性中的作用以及电泳沉积产生具有纳米粉末的多层结构的潜力。

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