Magnetostriction-polarization coupling in multiferroic Mn2MnWO6
- Sun Yat-Sen Univ., Guangzhou, (China). Key Lab. of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry; Rutgers Univ., Piscataway, NJ (United States). Dept. of Chemistry and Chemical Biology
- Univ. of Kent, Canterbury (United Kingdom). School of Physical Sciences
- Stony Brook Univ., NY (United States). Dept. of Physics and Astronomy
- Rutgers Univ., Piscataway, NJ (United States). Dept. of Physics and Astronomy
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS), Inst. for Functional Imaging of Materials
- Rutgers Univ., Piscataway, NJ (United States). Dept. of Chemistry and Chemical Biology
- Pennsylvania State Univ., University Park, PA (United States). Dept. of Material Sciences and Engineering
- Univ. zu Koln (Germany). II Physikalisches Institut
- Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab., ISIS Neutron Source
- Chinese Academy of Sciences (CAS), Beijing (China). Inst. of Physics
- Columbia Univ., Palisades, NY (United States). Lamont Doherty Earth Observatory
Double corundum-related polar magnets are promising materials for multiferroic and magnetoelectric applications in spintronics. However, their design and synthesis is a challenge, and magnetoelectric coupling has only been observed in Ni3TeO6 among the known double corundum compounds to date. Here in this paper we address the high-pressure synthesis of a new polar and antiferromagnetic corundum derivative Mn2MnWO6, which adopts the Ni3TeO6-type structure with low temperature first-order field-induced metamagnetic phase transitions (TN = 58 K) and high spontaneous polarization (~ 63.3 μC·cm-2). The magnetostriction-polarization coupling in Mn2MnWO6 is evidenced by second harmonic generation effect, and corroborated by magnetic-field-dependent pyroresponse behavior, which together with the magnetic-field-dependent polarization and dielectric measurements, qualitatively indicate magnetoelectric coupling. Finally, piezoresponse force microscopy imaging and spectroscopy studies on Mn2MnWO6 show switchable polarization, which motivates further exploration on magnetoelectric effect in single crystal/thin film specimens.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC05-00OR22725; AC02-98CH10886; DMR-1507252; DMR-1420620
- OSTI ID:
- 1422535
- Journal Information:
- Nature Communications, Vol. 8, Issue 1; ISSN 2041-1723
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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