Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4
Abstract The linear magnetoelectric (ME) characteristics of a quasi‐1D spin‐chain compound, FePbBiO4, are reported. Two distinct antiferromagnetic (AFM) orders occurring at ≈23 K (TN1) and 12 K (TN2) are verified using magnetization, specific heat, and conspicuous dielectric (ε′) anomalies. A striki...
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Wiley-VCH
2024-11-01
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| Series: | Advanced Physics Research |
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| Online Access: | https://doi.org/10.1002/apxr.202400056 |
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| author | Ajay Tiwari D. Chandrasekhar Kakarla Wei‐Lin Chen C. Dhanasekhar Ya‐Jing Hu Jiunn‐Yuan Lin Chin‐Wei Wang Ting‐Wei Kuo Arkadeb Pal Mitch Ming‐Chi Chou Hung‐Duen Yang |
| author_facet | Ajay Tiwari D. Chandrasekhar Kakarla Wei‐Lin Chen C. Dhanasekhar Ya‐Jing Hu Jiunn‐Yuan Lin Chin‐Wei Wang Ting‐Wei Kuo Arkadeb Pal Mitch Ming‐Chi Chou Hung‐Duen Yang |
| author_sort | Ajay Tiwari |
| collection | DOAJ |
| description | Abstract The linear magnetoelectric (ME) characteristics of a quasi‐1D spin‐chain compound, FePbBiO4, are reported. Two distinct antiferromagnetic (AFM) orders occurring at ≈23 K (TN1) and 12 K (TN2) are verified using magnetization, specific heat, and conspicuous dielectric (ε′) anomalies. A striking observation is that no pyrocurrent (Ipy) is detected in the absence of magnetic field (H); however, H‐induced ferroelectric polarization (P) at TN1 and P unexpectedly partially switches or reverses below TN2 as reproduced by applying positive and negative electric fields (E). The resulting magnetic field and temperature (H‐T) phase diagram illustrates T‐dependent H‐induced spin reorientation and electric P. The interaction between T, H, spin dynamics, and lattice structures is pivotal and is qualitatively discussed and proposed as an explanation for the observed ME nature. |
| format | Article |
| id | doaj-art-48215445be1941b687c97c2de0bf30d0 |
| institution | OA Journals |
| issn | 2751-1200 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Physics Research |
| spelling | doaj-art-48215445be1941b687c97c2de0bf30d02025-08-20T02:12:54ZengWiley-VCHAdvanced Physics Research2751-12002024-11-01311n/an/a10.1002/apxr.202400056Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4Ajay Tiwari0D. Chandrasekhar Kakarla1Wei‐Lin Chen2C. Dhanasekhar3Ya‐Jing Hu4Jiunn‐Yuan Lin5Chin‐Wei Wang6Ting‐Wei Kuo7Arkadeb Pal8Mitch Ming‐Chi Chou9Hung‐Duen Yang10Department of Physics National Sun Yat‐sen University Kaohsiung 80424 TaiwanDepartment of Physics National Sun Yat‐sen University Kaohsiung 80424 TaiwanDepartment of Physics National Sun Yat‐sen University Kaohsiung 80424 TaiwanDepartment of Physics National Sun Yat‐sen University Kaohsiung 80424 TaiwanInstitute of Physics National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanInstitute of Physics National Yang Ming Chiao Tung University Hsinchu 30010 TaiwanNational Synchrotron Radiation Research Center Hsinchu 300092 TaiwanDepartment of Physics National Sun Yat‐sen University Kaohsiung 80424 TaiwanDepartment of Physics National Sun Yat‐sen University Kaohsiung 80424 TaiwanCenter of Crystal Research National Sun Yat‐sen University Kaohsiung 80424 TaiwanCenter of Crystal Research National Sun Yat‐sen University Kaohsiung 80424 TaiwanAbstract The linear magnetoelectric (ME) characteristics of a quasi‐1D spin‐chain compound, FePbBiO4, are reported. Two distinct antiferromagnetic (AFM) orders occurring at ≈23 K (TN1) and 12 K (TN2) are verified using magnetization, specific heat, and conspicuous dielectric (ε′) anomalies. A striking observation is that no pyrocurrent (Ipy) is detected in the absence of magnetic field (H); however, H‐induced ferroelectric polarization (P) at TN1 and P unexpectedly partially switches or reverses below TN2 as reproduced by applying positive and negative electric fields (E). The resulting magnetic field and temperature (H‐T) phase diagram illustrates T‐dependent H‐induced spin reorientation and electric P. The interaction between T, H, spin dynamics, and lattice structures is pivotal and is qualitatively discussed and proposed as an explanation for the observed ME nature.https://doi.org/10.1002/apxr.202400056FePbBiO4magnetic field‐inducedmagnetoelectric effectpartially reversed electric polarizationQuasi‐one dimensional spin‐chainswitchable |
| spellingShingle | Ajay Tiwari D. Chandrasekhar Kakarla Wei‐Lin Chen C. Dhanasekhar Ya‐Jing Hu Jiunn‐Yuan Lin Chin‐Wei Wang Ting‐Wei Kuo Arkadeb Pal Mitch Ming‐Chi Chou Hung‐Duen Yang Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4 Advanced Physics Research FePbBiO4 magnetic field‐induced magnetoelectric effect partially reversed electric polarization Quasi‐one dimensional spin‐chain switchable |
| title | Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4 |
| title_full | Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4 |
| title_fullStr | Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4 |
| title_full_unstemmed | Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4 |
| title_short | Observation of Magnetic Field‐Induced and Partially Switchable Electric Polarization in Spin‐Chain FePbBiO4 |
| title_sort | observation of magnetic field induced and partially switchable electric polarization in spin chain fepbbio4 |
| topic | FePbBiO4 magnetic field‐induced magnetoelectric effect partially reversed electric polarization Quasi‐one dimensional spin‐chain switchable |
| url | https://doi.org/10.1002/apxr.202400056 |
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