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Modulation of terahertz properties of 3D ceramic photonic crystals via post-creation non-metal anion doping treatment
Wang, Rong; Yang, Weiyi; Gao, Shuang; Ju, Xiaojing; Zhu, Pengfei; Li, Bo; Li, Qi
2019-08-01
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume102Issue:8Pages:4688-4697
AbstractCeramic photonic crystals have wide application potentials for THz technology due to their characteristic strong chemical stability and high temperature resistance for demanding environment. However, it is still a challenge to modulate the THz properties of as-prepared ceramic TPCs via post-creation treatments to satisfy different application requirements. In this work, the THz properties of rutile TiO2 ceramic 3D-TPCs were modulated by non-metal anion doping of either carbon or nitrogen, which was firstly created by the direct-writing technique with a TiO2 sol-gel ink followed by the high temperature sintering process at 1200 degrees C. Calcination of the pristine rutile TiO2 ceramic 3D-TPCs in either CO or NH3 atmosphere successfully doped either C or N dopants into rutile TiO2 ceramic 3D-TPCs, respectively, which changed their dielectric properties and subsequently induced different THz properties on these ceramic 3D-TPCs with the same structure. Their THz properties were found to be largely affected by the specific nature of the dopant. Compared with the pristine rutile TiO2 ceramic 3D-TPC, the bandgap positions of both C-doped and N-doped rutile TiO2 ceramic 3D-TPCs largely shifted toward the higher frequency, while the N-doped sample demonstrated a much broader bandgap. Thus, non-metal anion doping could be an effective post-creation approach to modulate the THz properties of ceramic TPCs.
Keyword3D-terahertz photonic crystals anion doping direct-writing rutile TiO2 sol-gel ink
Indexed BySCI
Language英语
WOS IDWOS:000470016900033
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80886
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Rong,Yang, Weiyi,Gao, Shuang,et al. Modulation of terahertz properties of 3D ceramic photonic crystals via post-creation non-metal anion doping treatment[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2019,102(8):4688-4697.
APA Wang, Rong.,Yang, Weiyi.,Gao, Shuang.,Ju, Xiaojing.,Zhu, Pengfei.,...&Li, Qi.(2019).Modulation of terahertz properties of 3D ceramic photonic crystals via post-creation non-metal anion doping treatment.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,102(8),4688-4697.
MLA Wang, Rong,et al."Modulation of terahertz properties of 3D ceramic photonic crystals via post-creation non-metal anion doping treatment".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 102.8(2019):4688-4697.
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