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journal article·2024-09Open access

Electric‐Field Manipulation of Magnetic Chirality in a Homo‐Ferro‐Rotational Helimagnet

Junjie Yang, Masaaki Matsuda, Trevor Tyson, Joshua Young, William Ratcliff, Yunpeng Gao, Dimuthu Obeysekera, Xiaoyu Guo, Rachel Owen, Liuyan Zhao, Sang‐wook Cheong

Advanced Science· Volume 11· Issue 33
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Source abstract

Abstract

Abstract Ferro‐rotational (FR) materials, renowned for their distinctive material functionalities, present challenges in the growth of homo‐FR crystals (i.e., single FR domain). This study explores a cost‐effective approach to growing homo‐FR helimagnetic RbFe(SO4)2 (RFSO) crystals by lowering the crystal growth temperature below the TFR threshold using the high‐pressure hydrothermal method. Through polarized neutron diffraction experiments, it is observed that nearly 86% of RFSO crystals consist of a homo‐FR domain. Notably, RFSO displays remarkable stability in the FR phase, with an exceptionally high TFR of ≈573 K. Furthermore, RFSO exhibits a chiral helical magnetic structure with switchable ferroelectric polarization below 4 K. Importantly, external electric fields can induce a single magnetic domain state and manipulate its magnetic chirality. The findings suggest that the search for new FR magnets with outstanding material properties should consider magnetic sulfates as promising candidates.
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Research context

Electronic materials

OpenAlex topics: Multiferroics and related materials · Magneto-Optical Properties and Applications · Magnetic and transport properties of perovskites and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics New Jersey Institute of Technology Newark NJ 07102 USA

Neutron Scattering Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA

Department of Chemical and Materials Engineering New Jersey Institute of Technology Newark NJ 07102 USA

NIST Center for Neutron Research National Institute of Standards and Technology Gaithersburg MD 20899 USA

Department of Materials Science and Engineering Department of Physics University of Maryland College Park MD 20741 USA

Department of Physics University of Michigan Ann Arbor MI 48109 USA

Rutger Center for Emergent Materials and Department of Physics and Astronomy Rutgers University Piscataway NJ 08854 USA

Funding

Alfred P. Sloan Foundation · Air Force Office of Scientific Research · Basic Energy Sciences · National Natural Science Foundation of China

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