Magnetic Field Imaging of the Spinel MnV$_{2}$O$_{4}$

ORAL

Abstract

The complex interplay of spin, orbital degeneracy, and lattice degrees of freedom result in many intriguing behaviors in condensed matter systems. Due to its simple lattice structure and extensive theoretical work, the spinel MnV$_{2}$O$_{4}$ is a prime candidate for archetypal study of these phenomena. We perform magnetic force microscopy imaging on single crystal samples of MnV$_{2}$O$_{4}$ at variable temperature and magnetic field. Our results show previously unobserved magnetic structure and behavior (including stripes and domain switching) as the phase diagram is explored. These represent the first direct imaging of the magnetic properties of a vanadium oxide spinel and inform the current debate over the low temperature magnetic phases of MnV$_{2}$O$_{4}$.

*Supported by US Department of Energy grant DE-FG02-07ER46453

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Authors

  • Brian Wolin

    • Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801

  • Tyler Naibert

    • Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801

  • Taylor Byrum

    • Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801, USA
    • Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801

  • Samuel Gleason

    • Dept. of Physics and Frederick Seitz Materials Research Lab, U. of Illinois, Urbana, Illinois 61801, USA
    • Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801

  • H.D. Zhou

    • University of Tennessee and National High Magnetic Field Laboratory, Florida State University
    • University of Tennessee - Knoxville
    • Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee, 37996
    • Department of Physics and Astronomy, University of Tennessee
    • University of Tennessee
    • Department of Physics and Astronomy, University of Tennessee - Knoxville
    • University of Tennessee, TN, USA

  • S.L. Cooper

    • University of Illinois
    • Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801
    • University of Illinois at Urbana Champaign

  • Raffi Budakian

    • Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801