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Title: Spin-liquid-like state in pure and Mn-doped TbInO 3 with a nearly triangular lattice

Abstract

Inelastic neutron scattering studies in single crystals of TbInO 3 and TbIn0.95Mn0.05O3 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 .

Authors:
 [1];  [2];  [2];  [2];  [3];  [4];  [1];  [1];  [1];  [1];  [1]
  1. Rutgers Univ., Piscataway, NJ (United States). Dept. of Physics & Astronomy
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Division
  3. 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
  4. 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
Publication Date:
Research Org.:
Rutgers Univ., Piscataway, NJ (United States). Dept. of Physics & Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1531156
Alternate Identifier(s):
OSTI ID: 1545192; OSTI ID: 1546448
Grant/Contract Number:  
FG02-07ER46382; AC05-00OR22725; DOE: DE-FG02-07ER46382
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 100; Journal Issue: 2; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; spin liquid

Citation Formats

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., and Kiryukhin, V. Spin-liquid-like state in pure and Mn-doped TbInO3 with a nearly triangular lattice. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.100.024405.
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. Spin-liquid-like state in pure and Mn-doped TbInO3 with a nearly triangular lattice. United States. doi:10.1103/PhysRevB.100.024405.
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., and Kiryukhin, V. Wed . "Spin-liquid-like state in pure and Mn-doped TbInO3 with a nearly triangular lattice". United States. doi:10.1103/PhysRevB.100.024405. https://www.osti.gov/servlets/purl/1531156.
@article{osti_1531156,
title = {Spin-liquid-like state in pure and Mn-doped TbInO3 with a nearly triangular lattice},
author = {Kim, M. G. and Winn, B. and Chi, S. and Savici, A. T. and Rodriguez-Rivera, J. A. and Chen, W. C. and Xu, X. and Li, Y. and Kim, J. W. and Cheong, S. -W. and Kiryukhin, V.},
abstractNote = {Inelastic neutron scattering studies in single crystals of TbInO3 and TbIn0.95Mn0.05O3 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 TbInO3.},
doi = {10.1103/PhysRevB.100.024405},
journal = {Physical Review B},
number = 2,
volume = 100,
place = {United States},
year = {2019},
month = {7}
}

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