Crystal Structure and Dielectric Properties of Layered Perovskite-Like Solid Solutions Bi3–xNdxTiNbO9 (X = 0, 0.2, 0.4, 0.6, 0.8, 1.0)

2021 ◽  
pp. 177-184
Author(s):  
S. V. Zubkov
Keyword(s):  
Crystal Structure ◽  
Dielectric Properties ◽  
Solid Solutions ◽  
Layered Perovskite

Chemical bonding characteristics and dielectric properties of Nd2(Ba1−xSrx)ZnO5 solid solutions

2003 ◽  
Vol 18 (10) ◽  
pp. 2427-2434 ◽  
Author(s):  
Akinori Kan ◽  
Hirotaka Ogawa ◽  
Kenkichi Mori ◽  
Hitoshi Ohsato ◽  
Yoshinori Andou
Keyword(s):  
Crystal Structure ◽  
Dielectric Properties ◽  
Dielectric Property ◽  
Solid Solutions ◽  
Dielectric Constants ◽  
First Principle ◽  
Quality Factors ◽  
Microwave Dielectric ◽  
The Relationship ◽  
Bonding Characteristics

The relationship between the microwave dielectric property and crystal structure of Nd2(Ba1−xSrx)ZnO5 solid solutions was investigated using bond valence theorem and first principle method (DV-Xα method). The evaluation of the covalence characteristics of cation–oxygen bonds revealed that as the x value increased, the covalence characteristics of the M–O (M = Ba and Sr) bonds in the MO10 polyhedron decreased while those of the Zn–O(2) bonds in the ZnO4 tetrahedron increased. From the DV-Xα method, it was found that the 3d electrons of the Zn2+ ion are closely related to the strong covalence characteristics of the Zn–O(2) bonds. The dielectric constants were approximately constant over the whole composition; this result is considered to relate to the decrease in the covalence characteristic of the M–O bonds. The quality factors increased from 4915 to 25,836 GHz, and the grain growth of the solid solutions are considered to improve the Q × f values.

scholarly journals Features of the Formation of the Crystal Structure, Grain Structure, Dielectric and Thermophysical Properties of Bismuth Ferrite Doped with Erbium

2018 ◽  
Vol 8 (11) ◽  
pp. 2183
Author(s):  
Aleksey Pavelko ◽  
Sidek Khasbulatov ◽  
Larisa Reznichenko ◽  
Lidia Shilkina ◽  
Haji Gadjiev ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Thermal Properties ◽  
Phase Composition ◽  
Dielectric Properties ◽  
Surface Morphology ◽  
Solid Solutions ◽  
Room Temperature ◽  
Bismuth Ferrite ◽  
Grain Structure ◽  
Electrical And Dielectric Properties

The crystal structure and surface morphology of ceramics as well dielectric and thermal properties of Bi1−xErxFeO3 (where x = 0.05 − 0.20, Δх = 0.05) magnetoelectric solid solutions (SS) were investigated. The regularities of changes in phase composition, microstructure, electrical and dielectric properties of objects at room temperature are established.

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