Spin-liquid-like state in pure and Mn-doped TbInO3 with a nearly triangular lattice

Kim, M. G.; Winn, B.; Chi, S.; Savici, A. T.; Rodriguez-Rivera, J. A.; Chen, W. C.; Xu, X.; Li, Y.; Kim, J. W.; Cheong, S. -W.; Kiryukhin, V.

doi:10.1103/PhysRevB.100.024405

Spin-liquid-like state in pure and Mn-doped ${TbInO}_{3}$ with a nearly triangular lattice

Journal Article · Wed Jul 03 00:00:00 EDT 2019 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.100.024405· OSTI ID:1531156

Kim, M. G. ^[1]; Winn, B. ^[2]; Chi, S. ^[2]; Savici, A. T. ^[2]; Rodriguez-Rivera, J. A. ^[3]; Chen, W. C. ^[4]; Xu, X. ^[5]; Li, Y. ^[5]; Kim, J. W. ^[5]; Cheong, S. -W. ^[5]; Kiryukhin, V. ^[5]

Rutgers Univ., Piscataway, NJ (United States). Dept. of Physics & Astronomy; Department of Physics & Astronomy, Rutgers University
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Division
National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States). Center for Neutron Research; Univ. of Maryland, College Park, MD (United States). Dept. of Materials Science
National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States). Center for Neutron Research; Univ. of Maryland, College Park, MD (United States). Dept. of Materials Science
Rutgers Univ., Piscataway, NJ (United States). Dept. of Physics & Astronomy

Inelastic neutron scattering studies in single crystals of ${TbInO}_{3}$ and TbIn_0.95Mn_0.05O₃ with nearly-triangular antiferromagnetic lattice are reported. At low energies, a broad and apparently gapless continuum of magnetic excitations, located at the triangular lattice (TL) Brillouin zone boundary, is observed. The data are well described by the uncorrelated nearest-neighbor valence bonds model. At higher energies, a broad excitation branch dispersing from the TL zone boundary is observed. No signs of static magnetic order are found down to the temperatures two orders of magnitude smaller than the effective interaction energy. The fluctuating magnetic moment exceeds two thirds of the Tb³⁺ free-ion value and is confined to the TL plane. These observations are consistent with a TL-based spin liquid state in ${TbInO}_{3}$ .

View Accepted Manuscript (DOE)

Research Organization:: Rutgers Univ., Piscataway, NJ (United States). Dept. of Physics & Astronomy

Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-07ER46382

OSTI ID:: 1531156

Alternate ID(s):: OSTI ID: 1545192
OSTI ID: 1546448

Journal Information:: Physical Review B, Journal Name: Physical Review B Journal Issue: 2 Vol. 100; ISSN 2469-9950; ISSN PRBMDO

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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