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Dielectric Properties of Structurally Optimized Heterogenous Ca(Mg1/3Ta2/3)O3/CaTiO3 Thin Films
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Runrun LI1, Yueming LI1, Chaoyi YAN1, Yiwang BAO2, Huajun SUN3, Haoyao HU4, Ningyi LI4
Journal of the Chinese Ceramic Society | 2021, 49(1) : 174 - 179
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Journal of the Chinese Ceramic Society | 2021, 49(1): 174-179
• Research Article •
Dielectric Properties of Structurally Optimized Heterogenous Ca(Mg1/3Ta2/3)O3/CaTiO3 Thin Films
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Runrun LI1, Yueming LI1, Chaoyi YAN1, Yiwang BAO2, Huajun SUN3, Haoyao HU4, Ningyi LI4
Affiliations
  • 1.School of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China
  • 2.National Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
  • 3.State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 4.Tuozhou Construction Company Limited, Ganzhou 341000, Jiangxi, China

    • LI Runrun (1984-), male, Ph.D., Lecturer. E-mail:

About Author:

LI Runrun (1984-), male, Ph.D., Lecturer. E-mail:

Published: 2021-01-20 doi: 10.14062/j.issn.0454-5648.20190823
Outline
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The homogeneous Ca(Mg1/3Ta2/3)O3 (CMT), CaTiO3 (CT) dielectric thin films and heterogeneous CMT/CT films with different stacking sequences and different mole ratios of CMT and CT were deposited on Pt/Ti/SiO2/Si(100) substrates by a Pechini method, respectively. The results show that the hetero-layered CMT/CT films with CT film as the first layer have single perovskite phase. However, a secondary phase diffraction peaks appear in the hetero-layered CMT/CT films with CMT film as the first layer. Meanwhile, the CT peak gradually weakens and finally disappears with increasing CMT mole ratio in the hetero-layered CMT/CT films with CT film as the first layer, indicating CT favored the CMT forming perovskite phase. The dielectric property characterizations show that the dielectric constant is highly dependent upon the mole ratio of CMT in hetero-layered CMT/CT films. However, the dielectric loss is not only dependent on the mole ratio of CMT, but also the interface number of CMT/CT thin films. The optimized dielectric constant and loss were found to be 56 and 0.038 under the mole ratio of 1∶1 for CMT to CT, respectively.

thin films  /  heterogeneous interface  /  microstructure  /  dielectric properties
李润润, 李月明, 闫朝一, 包亦望, 孙华君, 胡灏溔, 李宁益. 结构优化的异质Ca(Mg1/3Ta2/3)O3/CaTiO3薄膜介电性能. 硅酸盐学报, 2021 , 49 (1) : 174 -179 . DOI: 10.14062/j.issn.0454-5648.20190823
Runrun LI, Yueming LI, Chaoyi YAN, Yiwang BAO, Huajun SUN, Haoyao HU, Ningyi LI. Dielectric Properties of Structurally Optimized Heterogenous Ca(Mg1/3Ta2/3)O3/CaTiO3 Thin Films[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (1) : 174 -179 . DOI: 10.14062/j.issn.0454-5648.20190823
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Year 2021 volume 49 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20190823
  • Receive Date：2019-12-19
  • Online Date：2026-10-30
  • Published：2021-01-20
Article Data
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History
  • Received：2019-12-19
  • Revised：2020-06-21
Funding
Affiliations
    1.School of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China
    2.National Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
    3.State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
    4.Tuozhou Construction Company Limited, Ganzhou 341000, Jiangxi, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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