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3:1 Magnetization Plateau and Suppression of Ferroelectric Polarization in an Ising Chain Multiferroic

Published

Author(s)

Y.-J. Jo, Seoungsu Lee, E. Choi, H. Yi, William D. Ratcliff, Y. Choi, V. Kiryukhin, S.-W. Cheong, L. Balicas

Abstract

Ferroelectric Ising chain magnet Ca3Co2−xMnxO6 (x≃0.96) was studied in magnetic fields of up to 33 T. Magnetization and neutron-scattering measurements reveal successive metamagnetic transitions from the zero-field ↑↑↓↓ spin configuration to the ↑↑↑↓ state with a broad magnetization plateau, and then to the ↑↑↑↑ state. The absence of hysteresis in these plateaus reveals an intriguing coupling between the intrachain state and the three-dimensional geometrically frustrated magnetic system. Inversion symmetry, broken in the ↑↑↓↓ state, is restored in the ↑↑↑↓ state, leading to the complete suppression of the electric polarization driven by symmetric superexchange.
Citation
Physical Review B
Volume
79
Issue
1

Keywords

magnetism, multiferroic, neutron diffraction

Citation

Jo, Y. , Lee, S. , Choi, E. , Yi, H. , Ratcliff, W. , Choi, Y. , Kiryukhin, V. , Cheong, S. and Balicas, L. (2009), 3:1 Magnetization Plateau and Suppression of Ferroelectric Polarization in an Ising Chain Multiferroic, Physical Review B, [online], https://doi.org/10.1103/PhysRevB.79.012407, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=610002 (Accessed April 23, 2024)
Created January 26, 2009, Updated March 18, 2024