Domain Wall Patterning and Giant Response Functions in Ferrimagnetic Spinels
Source abstract
Abstract
Abstract The manipulation of mesoscale domain wall phenomena has emerged as a powerful strategy for designing ferroelectric responses in functional devices, but its full potential is not yet realized in the field of magnetism. This work shows a direct connection between magnetic response functions in mechanically strained samples of Mn 3 O 4 and MnV 2 O 4 and stripe‐like patternings of the bulk magnetization which appear below known magnetostructural transitions. Building off previous magnetic force microscopy data, a small‐angle neutron scattering is used to show that these patterns represent distinctive magnetic phenomena which extend throughout the bulk of two separate materials, and further are controllable via applied magnetic field and mechanical stress. These results are unambiguously connected to the anomalously large magnetoelastic and magnetodielectric response functions reported for these materials, by performing susceptibility measurements on the same crystals and directly correlating local and macroscopic data.
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Research context
OpenAlex topics: Multiferroics and related materials · Ferroelectric and Piezoelectric Materials · 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 and Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA
Neutron Scattering Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA
National High Magnetic Field Laboratory Los Alamos National Laboratory Los Alamos NM 87544 USA
Department of Physics and Astronomy and Quantum Matter Institute University of British Columbia Vancouver British Columbia V6T 1Z1 Canada
Department of Physics and Astronomy University of Waterloo Waterloo Ontario N2L 3G1 Canada
Department of Physics and Astronomy University of Tennessee Knoxville Tennessee 37996 USA
Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak Ridge TN 37831 USA
Funding
Office of Science · National Science Foundation
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