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Gadolinium zinc borate glass-based low temperature Co-fired ceramics

机译：硼酸zinc锌玻璃基低温共烧陶瓷

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摘要

New microwave materials based on a gadolinium zinc borate (20ZnO?20Gd2O3?60B2O3) glass with typical Al2O3 filler have been investigated as a dielectric candidate for low temperature co-fired ceramic (LTCC) applications. The experimental parameters, such as filler contents and firing temperature, were found to affect seriously densification, crystallization and microwave dielectric properties. The presence of ZnAl2O4 and GdBO3 phases with an unexpected GdAl3(BO3)4 phase were assumed to influence the final performance of the materials. In particular, the GdAl3(BO3)4 phase is the consequence of chemical reactions between the glass and Al2O3 filler during firing. As a promising dielectric composition, the sample consisting of 20ZnO?20Gd2O3?60B2O3 and 40 wt.% Al2O3 filler exhibited k (dielectric constant) ～8.1 and Q (quality factor) ～312 at 18.6 GHz when fired at 850°C.
机译：基于硼酸zinc锌（20ZnO？20Gd2 O3 ？60B2 O3 ）玻璃和典型的Al2 O3 填充物的新型微波材料已经被开发出来。作为低温共烧陶瓷（LTCC）应用的电介质候选材料进行了研究。发现诸如填料含量和烧成温度的实验参数严重影响致密化，结晶和微波介电性能。 ZnAl2 O4 和GdBO3 相的存在以及意外的GdAl3 （BO3 ）4 相的存在被认为会影响合金的最终性能。材料。特别地，GdAl3 （BO3 ）4 相是玻璃和焙烧过程中Al2 O3 填料之间化学反应的结果。作为有希望的介电成分，样品由20ZnO？20Gd2 O3 ？60B2 O3 和40 wt。％Al2 O3 填料组成在850°C焙烧时，在18.6 GHz处的k（介电常数）〜8.1和Q（品质因数）〜312。

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  • 来源
    《Metals and Materials International》 |2008年第4期|493-496|共4页
  • 作者

    Yeon Hwa Jo; Deuk Ho Yeon; Bhaskar C. Mohanty; Yong Soo Cho;

  • 作者单位

    Department of Materials Science and Engineering Yonsei University 134 Sinchon-dong Seodaemun-gu 120-749 Seoul Korea;

    Department of Materials Science and Engineering Yonsei University 134 Sinchon-dong Seodaemun-gu 120-749 Seoul Korea;

    Department of Materials Science and Engineering Yonsei University 134 Sinchon-dong Seodaemun-gu 120-749 Seoul Korea;

    Department of Materials Science and Engineering Yonsei University 134 Sinchon-dong Seodaemun-gu 120-749 Seoul Korea;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    dielectric; glass; LTCC; borate;

    机译：电介质;玻璃;LTCC;硼酸盐;

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