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Structural and Fatigue Properties of Pt/Na0.5Bi0.5TiO3/La0.5Sr0.5CoO3 Capacitor
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Yi DING, Jiayin FAN, Jing GUO, Xiangyang ZHAO, Chunpeng GU, Yinfan TIAN, Jianye ZHAO, Lei DONG, Jianmin SONG
Journal of the Chinese Ceramic Society | 2021, 49(10) : 2189 - 2194
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Journal of the Chinese Ceramic Society | 2021, 49(10): 2189-2194
Structural and Fatigue Properties of Pt/Na0.5Bi0.5TiO3/La0.5Sr0.5CoO3 Capacitor
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Yi DING, Jiayin FAN, Jing GUO, Xiangyang ZHAO, Chunpeng GU, Yinfan TIAN, Jianye ZHAO, Lei DONG, Jianmin SONG
Affiliations
  • College of Science, Agriculture University of Hebei, Baoding 071001, Hebei, China
  • DING Yi (1999-), male, Undergraduate. E-mail:

About Author:

DING Yi (1999-), male, Undergraduate. E-mail:

Published: 2021-10-20 doi: 10.14062/j.issn.0454-5648.20210021
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The La0.5Sr0.5CoO3(LSCO) oxide bottom electrodes were epitaxially grown on (001) SrTiO3(STO) substrates via off-axis magnetron sputtering at different deposition temperatures. Based on the results of X ray diffraction (XRD), atomic force microscopy (AFM) and four probe square resistance test, the optimal deposition temperature for (00l) epitaxial LSCO films is 550℃. In addition, the Pt/Na0.5Bi0.5TiO3(NBT)/LSCO/STO ferroelectric capacitor was fabricated on LSCO/STO heterostructure via laser pulse deposition. The results indicate that NBT films are (00l) epitaxial. The leakage current density of Pt/NBT/LSCO heterostructure increases with increasing temperature from room temperature to 70℃. The conduction mechanism is ohmic conduction at low voltage and space charge limited current at a high voltage. At 5 V driving voltage, the Pt/NBT/LSCO capacitor exhibits saturated hysteresis loops and retention characteristics both at room temperature and 70℃ without fatigue after 1010 inversion.

sodium bismuth titanate thin films  /  heterostructure  /  ferroelectric storage  /  fatigue characteristics
丁逸, 范佳荫, 郭靖, 赵向阳, 顾春鹏, 田寅帆, 赵建业, 董磊, 宋建民. Pt/Na0.5Bi0.5TiO3/La0.5Sr0.5CoO3电容器的结构和铁电疲劳特性. 硅酸盐学报, 2021 , 49 (10) : 2189 -2194 . DOI: 10.14062/j.issn.0454-5648.20210021
Yi DING, Jiayin FAN, Jing GUO, Xiangyang ZHAO, Chunpeng GU, Yinfan TIAN, Jianye ZHAO, Lei DONG, Jianmin SONG. Structural and Fatigue Properties of Pt/Na0.5Bi0.5TiO3/La0.5Sr0.5CoO3 Capacitor[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (10) : 2189 -2194 . DOI: 10.14062/j.issn.0454-5648.20210021
Year 2021 volume 49 Issue 10
20
6
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Article Info
doi: 10.14062/j.issn.0454-5648.20210021
  • Receive Date:2021-01-08
  • Online Date:2026-10-30
  • Published:2021-10-20
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History
  • Received:2021-01-08
  • Revised:2021-03-26
Funding
Affiliations
    College of Science, Agriculture University of Hebei, Baoding 071001, Hebei, China

Corresponding:

SONG Jianmin (1976-), male, Ph.D., Associate Professor. E-mail:
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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
species (%)
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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