Investigating the Quantum Magnetic States of K2Ni(MoO4)2

ORAL

Abstract

Dimerized quantum magnets are of interest for their potential to host a Bose-Einstein Condensate of magnetic excitations (magnon BEC). While extensive research has focused on S = 1/2 dimer systems, the exploration of S = 1 dimers remains limited. In this talk, we present our investigation of the S = 1 dimerized quantum magnet K₂Ni(MoO₄)₂, a promising candidate for studying triplon and quintuplon condensation. We report on the synthesis and characterization of high-quality single crystal samples of this compound, supported by magnetic measurements. Our findings reveal exotic magnetic states at high fields, as demonstrated through magnetization plateaus. We also outline our experimental approach, including Tunnel Diode Oscillator (TDO) and magnetostriction experiments, that we used to further explore the magnetic structures at the plateau and investigate the role of anisotropy, hydrostatic pressure, and magnetoelastic coupling in this system.

Presenters

  • Wesley Collyer

    • Duke University
    • Department of Electrical and Computer Engineering, Department of Physics, Duke University

Authors

  • Wesley Collyer

    • Duke University
    • Department of Electrical and Computer Engineering, Department of Physics, Duke University
  • Rabindranath Bag

    • Duke University
    • Department of Physics, Duke University
  • Yuxiang Wang

    • Duke University
    • Department of Physics, Duke University
  • Chen Lyu

    • Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, USA.
  • David E Graf

    • Florida State University
    • National High Magnetic Field Lab
    • National High Magnetic Field Laboratory
    • National High Magnetic Field Laboratory, Florida State University
  • Minseong Lee

    • National High Magnetic Field Laboratory
    • High Magnetic Field Laboratory, Los Alamos National Laboratory
  • Sara Haravifard

    • Duke University
    • Department of Physics, Duke University