期刊
MATERIALS
卷 14, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/ma14164548
关键词
aerosol deposition; multilayers; interdigitated aluminium electrodes; alumina insulating layers
类别
资金
- Jozef Stefan Institute Director's fund 2017-ULTRACOOL
- Slovenian Research Agency [N2-0212, PR-08977, Z2-9247, P2-0105]
The preparation of metal-ceramic layered composites faces challenges due to material incompatibilities at high temperatures, which can increase production costs. However, using aerosol deposition (AD) to prepare multilayers is a simple, reliable, and cost-effective approach for substrate functionalization and protection.
The preparation of metal-ceramic layered composites remains a challenge due to the incompatibilities of the materials at the high temperatures of the co-firing process. For densification, the ceramic thick-film materials must be subjected to high-temperature annealing (usually above 900 degrees C), which can increase the production costs and limit the use of substrate or co-sintering materials with a low oxidation resistance and a low melting point, such as metals. To overcome these problems, the feasibility of preparing dense, defect-free, metal-ceramic multilayers with a room-temperature-based method should be investigated. In this study, we have shown that the preparation of ceramic-metal Al2O3/Al/Al2O3/Gd multilayers using aerosol deposition (AD) is feasible and represents a simple, reliable and cost-effective approach to substrate functionalisation and protection. Scanning electron microscopy of the multilayers showed that all the layers have a dense, defect-free microstructure and good intra-layer connectivity. The top Al2O3 dielectric layer provides excellent electrical resistance (i.e., 7.7 x 10(12) omega center dot m), which is required for reliable electric field applications.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据