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Title: Emergent magnetic anisotropy in the cubic heavy-fermion metal CeIn3

Metals containing cerium exhibit a diverse range of fascinating phenomena including heavy fermion behavior, quantum criticality, and novel states of matter such as unconventional superconductivity. The cubic system CeIn3 has attracted significant attention as a structurally isotropic Kondo lattice material possessing the minimum required complexity to still reveal this rich physics. By using magnetic fields with strengths comparable to the crystal field energy scale, we illustrate a strong field-induced anisotropy as a consequence of non-spherically symmetric spin interactions in the prototypical heavy fermion material CeIn3. We demonstrate the importance of magnetic anisotropy in modeling f-electron materials when the orbital character of the 4f wavefunction changes (e.g., with pressure or composition). Additionally, magnetic fields are shown to tune the effective hybridization and exchange interactions potentially leading to new exotic field tuned effects in f-based materials.
ORCiD logo [1] ;  [1] ;  [2] ;  [2] ; ORCiD logo [3] ; ORCiD logo [3] ; ORCiD logo [3] ;  [3] ; ORCiD logo [3] ;  [3] ;  [4] ; ORCiD logo [5] ; ORCiD logo [5]
  1. Max Planck Inst. for Chemical Physics of Solids, Dresden (Germany). Microstructured Quantum Matter
  2. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC). Quantum Condensed Matter Division and Shull-Wollan Center
  3. National High Magnetic Field Lab., Los Alamos, NM (United States)
  4. ETH, Zurich (Switzerland). Lab. for Solid State Physics
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Report Number(s):
Journal ID: ISSN 2397-4648; TRN: US1800378
Grant/Contract Number:
AC52-06NA25396; DMR-1157490
Accepted Manuscript
Journal Name:
npj Quantum Materials
Additional Journal Information:
Journal Volume: 2; Journal Issue: 1; Journal ID: ISSN 2397-4648
Nature Publishing Group
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
Country of Publication:
United States
36 MATERIALS SCIENCE; Material Science; CeIn3 heavy fermion; magnetic properties and materials; phase transitions and critical phenomena
OSTI Identifier: