Charged domain boundaries stabilized by translational symmetry breaking in the hybrid improper ferroelectric Ca3–x Sr x Ti2O7
Charged domain walls in ferroelectrics are interesting as they may enhance electrical conductivity. Here, atomic-resolution imaging of Ca3–xSrxTi2O7 reveals that charged domain boundaries are stabilized by an out-of-phase translational shift of crystallographic domains and that Sr ions accumulate at...
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| Autores principales: | , , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/a376742ec2cd4be9b6ea23b3a04f5081 |
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| Sumario: | Charged domain walls in ferroelectrics are interesting as they may enhance electrical conductivity. Here, atomic-resolution imaging of Ca3–xSrxTi2O7 reveals that charged domain boundaries are stabilized by an out-of-phase translational shift of crystallographic domains and that Sr ions accumulate at the boundaries. |
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