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Ferroelectric Properties of (1-x)Ba2NaNb5O15-x Sr2KNb5O15 Tungsten Bronze Structural Compounds with Morphotropic Phase Boundary
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Bian YANG, Shaodong SUN, Jieli LYU, Jie CUI
Journal of the Chinese Ceramic Society | 2023, 51(12) : 3046 - 3051
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Journal of the Chinese Ceramic Society | 2023, 51(12): 3046-3051
• Research Articles •
Ferroelectric Properties of (1-x)Ba2NaNb5O15-x Sr2KNb5O15 Tungsten Bronze Structural Compounds with Morphotropic Phase Boundary
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Bian YANG, Shaodong SUN, Jieli LYU, Jie CUI
Affiliations
  • School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China

    • YANG Bian (1990-), female, Ph.D., Lecturer. E-mail:

About Author:

YANG Bian (1990-), female, Ph.D., Lecturer. E-mail:

Published: 2023-09-11 doi: 10.14062/j.issn.0454-5648.20230452
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Ferroelectric materials with a morphotropic phase boundary (MPB) can exhibit enhanced dielectric, piezoelectric, and electrooptic properties, compared with conventional ferroelectric materials. In this paper, dense (1-x)Ba2NaNb5O15-x Sr2KNb5O15 (BNN-SKN) tungsten bronze structured ceramics of binary solid solution system were obtained by a solid-state sintering method. The microstructure and electric properties of BNN-SKN were investigated to explore the potential MPB regions. The MPB coexisting with Ccm2 and P4bm appears as x=0.7. As the SKN content increases, the phase transition temperature and dielectric constant of the measured samples reach their extreme values as x=0.7, i.e., Tm =170, εTR =1 211, and εm=3 326. In addition, the ferroelectric properties of BNN-SKN system were also analyzed, and the factors affecting the ferroelectric change in this binary system were discussed.

tungsten bronze structure  /  morphotropic phase boundary  /  ferroelectric properties  /  dielectric properties
杨变, 孙少东, 吕洁丽, 崔杰. 钨青铜结构化合物(1-x)Ba2NaNb5O15-xSr2KNb5O15准同型相界的组成及其铁电性能. 硅酸盐学报, 2023 , 51 (12) : 3046 -3051 . DOI: 10.14062/j.issn.0454-5648.20230452
Bian YANG, Shaodong SUN, Jieli LYU, Jie CUI. Ferroelectric Properties of (1-x)Ba2NaNb5O15-x Sr2KNb5O15 Tungsten Bronze Structural Compounds with Morphotropic Phase Boundary[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (12) : 3046 -3051 . DOI: 10.14062/j.issn.0454-5648.20230452
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Year 2023 volume 51 Issue 12
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Article Info
doi: 10.14062/j.issn.0454-5648.20230452
  • Receive Date：2023-06-30
  • Online Date：2026-10-19
  • Published：2023-09-11
Article Data
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History
  • Received：2023-06-30
  • Revised：2023-07-16
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Affiliations
    School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China

Corresponding:

SUN shaodong (1981-), male, Ph.D., 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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