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Fe3–xInSnxO6 (x = 0, 0.25, or 0.5): A Family of Corundum Derivatives with Sn-Induced Polarization and Above Room Temperature Antiferromagnetic Ordering
Abstract
Three new double corundum derivative compounds, Fe3−xInSnxO6 (x = 0. 0.25, or 0.5), were synthesized at high pressure and temperature (6 GPa and 1400− 1450 °C). All of the compounds order antiferromagnetically well above room temperature (TN = 608, 532, and 432 K for x = 0, 0.25, and 0.5, respectively). The x = 0 phase crystallizes as centrosymmetric R3̅c, but the inclusion of closed-shell d10 Sn4+ induces x = 0.25 and 0.5 to crystallize as noncentrosymmetric R3c. Microprobe measurements indicate that for x = 0.25 and 0.5, the substitution of Sn4+ is not offset by vacancies, which implies the presence of Fe2+, as corroborated by X-ray absorption near-edge spectroscopy and single-crystal X-ray structure refinements. Neutron powder diffraction experiments on x = 0.5 indicate that these compounds are canted A-type antiferromagnets that, like Fe2O3 and InFeO3, consist of ferromagnetic layers that stack antiferromagnetically with a single magnetic transition. Weak ferromagnetic interactions persist to very high temperatures. Temperature-dependent second harmonic generation (SHG) measurements on x = 0.25 and 0.5 show a SHG response with ferroelectric-like hysteretic maxima that correspond with the respective magnetic transitions, which suggest coupling of the magnetic and polarization order. These new compounds provide more information about fine-tuning the electronic, magnetic, and structural properties of corundum-derived mutlferroics in the search for tunable high-temperature magnetoelectric materials.
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Authors (22)
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Corey E. Frank
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Emma E. McCabe
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Fabio Orlandi
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Pascal Manuel
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Xiaoyan Tan
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Zheng Deng
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Changqing Jin
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Mark Croft
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Thomas Emge
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Shukai Yu
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Huaiyu Wang
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Venkatraman Gopalan
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Saul Lapidus
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MeiXia Wu
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Man-Rong Li
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Juliane Gross
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Paul Burger
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Weiwei Xie
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David Walker
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Martha Greenblatt
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
CHEMISTRY OF MATERIALS
no. 34,
pages 5020 - 5029,
ISSN: 0897-4756 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Frank C. E., McCabe E. E., Orlandi F., Manuel P., Tan X., Deng Z., Jin C., Croft M., Emge T., Yu S., Wang H., Gopalan V., Lapidus S., Wu M., Li M., Gross J., Burger P., Mielewczyk-Gryń A., Klimczuk T., Xie W., Walker D., Greenblatt M.: Fe3–xInSnxO6 (x = 0, 0.25, or 0.5): A Family of Corundum Derivatives with Sn-Induced Polarization and Above Room Temperature Antiferromagnetic Ordering// CHEMISTRY OF MATERIALS -Vol. 34,iss. 11 (2022), s.5020-5029
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acs.chemmater.2c00312
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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