Structure and electrical properties of cold-sintered strontium-doped potassium sodium niobate

Salmanov, Samir; Koblar, Maja; Kmet, Brigita; Malič, Barbara; Rojac, Tadej; Kuščer, Danjela; Otoničar, Mojca

doi:10.1016/j.jeurceramsoc.2023.07.069

Cited by 5 publications

(1 citation statement)

References 41 publications

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“…Colorful grains indicate that the orientation of grains is also evenly distributed. The simulation results are in complete agreement with the experimental results as reported in the literatures 4 , 7 , 8 , 10 , 11 , 13 , 18 – 20 . It can be concluded that the SEM image of functional ceramics with high crystal structure symmetry can be summarized as this microstructure 43 , 44 .…”

Section: Resultssupporting

confidence: 89%

Grain orientation and shape evolution of ferroelectric ceramic thick films simulated by phase-field method

Zhang,

Li,

Yue

et al. 2024

Sci Rep

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The orientation and shape of ceramics grains was always neglected, resulting in a lot of information during sintering has not been excavated. In this study, a modified phase-field model in order to express the anisotropy of grain boundary energy is developed. The effects of the anisotropy of grain boundary energy on the grain orientation and shape evolution are investigated in detail. The ferroelectric ceramic thick films are prepared by tape casting. The comparison of experiment and simulation results shows that the anisotropy of grain boundary energy results in uneven grain orientation and bimodal grain size distribution. The quantitative analysis of grain microstructures helps to establish a relationship with the degree of anisotropy of grain boundary energy. Our findings provide a new way to judge the degree of anisotropy by calculating the relevant parameters in the SEM images of ceramics materials.

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