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The dielectric, thermal properties and crystallization mechanism of Li-Al - B-Si - O glass - Ceramic systems as a new ULTCC material
Chen, Guanyu; Ma, Mingsheng; Wei, Anqing; Liu, Zhifu; Zhang, Faqiang; Mitchell, Arnan; Li, Yongxiang
2019-11-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume45Issue:16Pages:19689
SubtypeArticle
AbstractLi-Al-B-Si-O (LABS) glass-ceramics with a sintering temperature of 600 degrees C were studied for ultra-low temperature co-fired ceramics (ULTCC) applications. The crystal phase of LABS glass-ceramics is dendritic beta-spodumene. The permittivity and dielectric loss of LABS glass-ceramics are epsilon(r) = 5.8 and tg delta = 1.3 x 10(-3) at 10 MHz, respectively. The coefficient of thermal expansion (CTE) of LABS glass-ceramics is 3.23 ppm/degrees C, which is close to that of silicon. The dielectric and thermal properties of LABS glass-ceramics are closely correlated to the degree of its crystallization. The permittivity decreases continually while the dielectric loss decreases first and slightly increases with the increasing of crystallization of beta-spodumene. The CTE of LABS glass-ceramics decreases as beta-spodumene crystallized from LABS glass. The crystallization kinetic and mechanism of LABS glass-ceramics indicate that the beta-spodumene crystallizes in a two-dimensional interfacial growth mechanism due to the migration of Li-ions. The diffusion coefficients derived from energy-dispersive X-ray spectroscopy (EDS) results indicated that both Al and Ag electrodes have good compatibilities with ULTCC tapes, which could reduce the cost of multilayer electro-ceramic devices dramatically by using the ULTCC and base metallization.
KeywordLABS glass-ceramic ULTCC Dielectric property CTE Crystallization kinetic Base metallization
DOI10.1016/j.ceramint.2019.06.220
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26738
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, Guanyu,Ma, Mingsheng,Wei, Anqing,et al. The dielectric, thermal properties and crystallization mechanism of Li-Al - B-Si - O glass - Ceramic systems as a new ULTCC material[J]. CERAMICS INTERNATIONAL,2019,45(16):19689.
APA Chen, Guanyu.,Ma, Mingsheng.,Wei, Anqing.,Liu, Zhifu.,Zhang, Faqiang.,...&Li, Yongxiang.(2019).The dielectric, thermal properties and crystallization mechanism of Li-Al - B-Si - O glass - Ceramic systems as a new ULTCC material.CERAMICS INTERNATIONAL,45(16),19689.
MLA Chen, Guanyu,et al."The dielectric, thermal properties and crystallization mechanism of Li-Al - B-Si - O glass - Ceramic systems as a new ULTCC material".CERAMICS INTERNATIONAL 45.16(2019):19689.
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