Grain size effect and microstructure influence on the energy storage properties of fine-grained BaTiO3 -based ceramics

2017 ◽  
Vol 100 (8) ◽  
pp. 3599-3607 ◽  
Author(s):  
Baibo Liu ◽  
Xiaohui Wang ◽  
Ruoxi Zhang ◽  
Longtu Li
Keyword(s):  
Grain Size ◽  
Energy Storage ◽  
Size Effect ◽  
Grain Size Effect ◽  
Fine Grained ◽  
Energy Storage Properties ◽  
Storage Properties

scholarly journals Influence of Bi nonstoichiometry on the energy storage properties of 0.93KNN–0.07BixMN relaxor ferroelectrics

2018 ◽  
Vol 08 (06) ◽  
pp. 1830006 ◽  
Author(s):  
Xiaoshuang Qiao ◽  
Xiaoshuai Zhang ◽  
Di Wu ◽  
Xiaolian Chao ◽  
Zupei Yang
Keyword(s):  
Grain Size ◽  
Energy Storage ◽  
Impedance Analysis ◽  
Practical Method ◽  
Relaxor Ferroelectrics ◽  
Pure Perovskite Structure ◽  
Submicron Scale ◽  
Energy Storage Properties ◽  
Stoichiometry Control ◽  
Storage Properties

Ceramic-based dielectric capacitors are becoming more and more important in electronic devices. The ceramics of 0.93K[Formula: see text]Na[Formula: see text]NbO3–0.07Bix(Mg[Formula: see text]Nb[Formula: see text])O3 (0.93KNN–0.07BixMN) ([Formula: see text], 2/3, 0.75 and 0.95) were successfully fabricated by virtue of the solid reaction process in this work. The results showed that the amount of Bi content has a significant impact on the ceramics of 0.93KNN–0.07BixMN. XRD indicates that all specimens exhibit a pure perovskite structure and existing oxygen vacancy in the specimens. The mean grain size for all specimens belong to submicron scale, and the sample of [Formula: see text] owns the smallest grain size is 0.11[Formula: see text][Formula: see text]m. The maximum dielectric constant increases but the phase transition temperature [Formula: see text] exhibits a contrary tendency at 1[Formula: see text]MHz with increasing Bi concentration. Besides, all ceramics are relaxor ferroelectric. The impedance analysis further revealed that the activation energy of the ceramics increases with Bi content. Eventually, the highest [Formula: see text] of 58.8% and [Formula: see text] of 1.30[Formula: see text]J/cm3 are simultaneously achieved in the sample with [Formula: see text]. Overall, we demonstrate in this work that stoichiometry control of Bi in 0.93KNN–0.07BixMN ceramics is a practical method to obtain the desired structural, dielectric and energy storage properties.

Grain size tailoring and enhanced energy storage properties of two-step sintered Nd3+-doped AgNbO3

2020 ◽  
Vol 40 (13) ◽  
pp. 4495-4502 ◽  
Author(s):  
Pengrong Ren ◽  
Dong Ren ◽  
Liang Sun ◽  
Fuxue Yan ◽  
Shu Yang ◽  
...  
Keyword(s):  
Grain Size ◽  
Energy Storage ◽  
Energy Storage Properties ◽  
Storage Properties

Effect of grain size on the energy storage properties of (Ba0.4Sr0.6)TiO3 paraelectric ceramics

2014 ◽  
Vol 34 (5) ◽  
pp. 1209-1217 ◽  
Author(s):  
Zhe Song ◽  
Hanxing Liu ◽  
Shujun Zhang ◽  
Zhijian Wang ◽  
Yatong Shi ◽  
...  
Keyword(s):  
Grain Size ◽  
Energy Storage ◽  
Energy Storage Properties ◽  
Storage Properties

scholarly journals Evaluation of the Effect of Initial Texture on the Development of Deformation Texture

1986 ◽  
Vol 6 (4) ◽  
pp. 231-263 ◽  
Author(s):  
T. Leffers ◽  
D. Juul Jensen
Keyword(s):  
Grain Size ◽  
Size Effect ◽  
Deformation Texture ◽  
Coarse Grained ◽  
Grain Size Effect ◽  
Fine Grained ◽  
Random Texture ◽  
Starting Conditions ◽  
Initial Texture ◽  
Computer Procedure

We describe a computer procedure which allows us to introduce experimental initial textures as starting conditions for texture simulation (instead of a theoretical random texture). We apply the procedure on two batches of copper with weak initial textures and on fine-grained and coarse-grained aluminium with moderately strong initial textures. In copper the initial texture turns out to be too weak to have any significant effect. In aluminium the initial texture has a very significant effect on the simulated textures—similar to the effect it has on the experimental textures. However, there are differences between the simulated and the experimental aluminium textures that can only be explained as a grain-size effect. Possible future applications of the procedure are discussed.

Grain size modulated (Na0.5Bi0.5)0.65Sr0.35TiO3-based ceramics with enhanced energy storage properties

2021 ◽  
pp. 133584
Author(s):  
Yangfei Gao ◽  
Xiaopei Zhu ◽  
Bian Yang ◽  
Peng Shi ◽  
Ruirui Kang ◽  
...  
Keyword(s):  
Grain Size ◽  
Energy Storage ◽  
Energy Storage Properties ◽  
Storage Properties
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