Investigating the structure and dielectric properties of ceramic solid solutions of the SrTiO3-BiScO3 system |
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| Authors: | O N Ivanov and E P Danshina |
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| Institution: | (1) Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education and International Center for Dielectric Research, Xi’an Jiaotong University, Xi’an, 710049, China; |
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| Abstract: | Ceramic samples of (1 − x)SrTiO3-(x)BiScO3 system with x = 0, 0.05, 0.1, 0.2, 0.3, 0.4, and 0.5 were synthesized. Neither of the end members of this system are ferroelectric materials.
X-ray diffraction analysis reveals that at room temperature, the samples with x = 0.2, 0.3, 0.4, and 0.5 consisted of a mixture of two phases: a cubic center-symmetric Pm3m phase and a tetragonal polar P4mm phase. Dielectric permittivity and dielectric losses measurements of these compositions showed anomalies associated with
the diffuse phase transition characteristic of ferroelectrics. |
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