First-order polarization process as an alternative to antiferroelectricity
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arXiv
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
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| _version_ | 1866910082375090176 |
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| author | Bastogne, Louis Korosec, Lukas Stylianidis, Evgenios Porter, Daniel G. Nisbet, Gareth Thibault, Clémentine Triscone, Jean-Marc Hadjimichael, Marios Ghosez, Philippe |
| author_facet | Bastogne, Louis Korosec, Lukas Stylianidis, Evgenios Porter, Daniel G. Nisbet, Gareth Thibault, Clémentine Triscone, Jean-Marc Hadjimichael, Marios Ghosez, Philippe |
| contents | Antiferroelectrics generate significant interest since their polarization versus electric field (PE) curves show typical double-hysteresis loops appealing for various applications. Unfortunately, antiferroelectrics are rare. In magnetic compounds, magnetization versus magnetic field (M-H) curves can show analogous double hysteresis loops not only in antiferromagnets but also in systems exhibiting field-induced first-order reorientation of the magnetization through a so-called first-order magnetization process. Here, we show that appealing double-hysteresis P-E loops can also appear from an unprecedented first-order polarization process. Focusing on non-polar CaTiO3, which can be turned ferroelectric under tensile strain, we study epitaxial thin films on differently-oriented NdGaO3 substrates using a combination of theoretical and experimental techniques. We uncover that a certain configuration exhibits double-hysteresis P-E loops that we rationalize from a field-induced abrupt rotation of the polarization. Such a first-order polarization process establishes a promising alternative pathway to achieve double hysterisis P-E loops appealing for practical applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_27590 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | First-order polarization process as an alternative to antiferroelectricity Bastogne, Louis Korosec, Lukas Stylianidis, Evgenios Porter, Daniel G. Nisbet, Gareth Thibault, Clémentine Triscone, Jean-Marc Hadjimichael, Marios Ghosez, Philippe Materials Science Antiferroelectrics generate significant interest since their polarization versus electric field (PE) curves show typical double-hysteresis loops appealing for various applications. Unfortunately, antiferroelectrics are rare. In magnetic compounds, magnetization versus magnetic field (M-H) curves can show analogous double hysteresis loops not only in antiferromagnets but also in systems exhibiting field-induced first-order reorientation of the magnetization through a so-called first-order magnetization process. Here, we show that appealing double-hysteresis P-E loops can also appear from an unprecedented first-order polarization process. Focusing on non-polar CaTiO3, which can be turned ferroelectric under tensile strain, we study epitaxial thin films on differently-oriented NdGaO3 substrates using a combination of theoretical and experimental techniques. We uncover that a certain configuration exhibits double-hysteresis P-E loops that we rationalize from a field-induced abrupt rotation of the polarization. Such a first-order polarization process establishes a promising alternative pathway to achieve double hysterisis P-E loops appealing for practical applications. |
| title | First-order polarization process as an alternative to antiferroelectricity |
| topic | Materials Science |
| url | https://arxiv.org/abs/2603.27590 |