Fabrication and characterization of direct-written 3D TiO2 woodpile electromagnetic bandgap structures

doi:10.1088/1674-1056/23/9/098104

›› 2014, Vol. 23 ›› Issue (9): 98104-098104.doi: 10.1088/1674-1056/23/9/098104

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Fabrication and characterization of direct-written 3D TiO₂ woodpile electromagnetic bandgap structures

李吉皎^a, 李勃^a, 彭琴梅^a, 周济^b, 李龙土^b

a Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;
b State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

收稿日期:2014-03-18 修回日期:2014-05-04 出版日期:2014-09-15 发布日期:2014-09-15

Fabrication and characterization of direct-written 3D TiO₂ woodpile electromagnetic bandgap structures

Li Ji-Jiao (李吉皎)^a, Li Bo (李勃)^a, Peng Qin-Mei (彭琴梅)^a, Zhou Ji (周济)^b, Li Long-Tu (李龙土)^b

a Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;
b State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Received:2014-03-18 Revised:2014-05-04 Online:2014-09-15 Published:2014-09-15
Contact: Li Bo E-mail:boli@mail.tsinghua.edu.cn

摘要/Abstract

摘要： Three groups of three-dimensional (3D) TiO₂ woodpile electromagnetic gap materials with tailed rheological properties were developed for direct-written fabrication. Appropriate amount of polyethyleneimine (PEI) dispersants allow the preparation of TiO₂ inks with a high solid content of 42 vol.%, which enables them to flow through the nozzles easily. The inks exhibit pseudoplastic behavior. The measured microwave characteristics of the results agree well with simulations based on plane wave expansion (PWE).

关键词: TiO₂, woodpile structure, direct writing

Abstract: Three groups of three-dimensional (3D) TiO₂ woodpile electromagnetic gap materials with tailed rheological properties were developed for direct-written fabrication. Appropriate amount of polyethyleneimine (PEI) dispersants allow the preparation of TiO₂ inks with a high solid content of 42 vol.%, which enables them to flow through the nozzles easily. The inks exhibit pseudoplastic behavior. The measured microwave characteristics of the results agree well with simulations based on plane wave expansion (PWE).

Key words: TiO₂, woodpile structure, direct writing

中图分类号: (Self-assembly)

81.16.Dn

83.60.Fg (Shear rate dependent viscosity) 83.80.Hj (Suspensions, dispersions, pastes, slurries, colloids) 81.05.-t (Specific materials: fabrication, treatment, testing, and analysis)

李吉皎, 李勃, 彭琴梅, 周济, 李龙土. Fabrication and characterization of direct-written 3D TiO₂ woodpile electromagnetic bandgap structures[J]. , 2014, 23(9): 98104-098104.

Li Ji-Jiao (李吉皎), Li Bo (李勃), Peng Qin-Mei (彭琴梅), Zhou Ji (周济), Li Long-Tu (李龙土). Fabrication and characterization of direct-written 3D TiO₂ woodpile electromagnetic bandgap structures[J]. Chin. Phys. B, 2014, 23(9): 98104-098104.

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Fabrication and characterization of direct-written 3D TiO₂ woodpile electromagnetic bandgap structures

Fabrication and characterization of direct-written 3D TiO₂ woodpile electromagnetic bandgap structures

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