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Title: Two-dimensional spin liquid behaviour in the triangular-honeycomb antiferromagnet TbInO3

Journal Article · · Nature Physics
ORCiD logo [1]; ORCiD logo [2];  [3]; ORCiD logo [4];  [5];  [6];  [7];  [7];  [7];  [8];  [7];  [9]
  1. Univ. of Liverpool, Liverpool (United Kingdom); McMaster Univ., Hamilton, ON (Canada)
  2. McMaster Univ., Hamilton, ON (Canada); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. McMaster Univ., Hamilton, ON (Canada)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. Univ. College London, London (United Kingdom); Natural History Museum, London (United Kingdom); Rutherford Appleton Lab., Didcot (United Kingdom)
  6. Rutherford Appleton Lab., Didcot (United Kingdom)
  7. Rutgers Univ., Piscataway, NJ (United States)
  8. Rutgers Univ., Piscataway, NJ (United States); Shandong Univ., Jinan (China)
  9. McMaster Univ., Hamilton, ON (Canada); Brockhouse Institute for Materials Research, Hamilton, ON (Canada); Canadian Institute for Advanced Research, Toronto, ON (Canada)

Spin liquid ground states are predicted to arise within several distinct scenarios in condensed matter physics. The observation of these disordered magnetic states is particularly pervasive among a class of materials known as frustrated magnets, in which the competition between various magnetic exchange interactions prevents the system from adopting long-range magnetic order at low temperatures. Spin liquids continue to be of great interest due to their exotic nature and the possibility that they may support fractionalized excitations, such as Majorana fermions. Systems that allow for such phenomena are not only fascinating from a fundamental perspective but may also be practically significant in future technologies based on quantum computation. Here we show that the underlying antiferromagnetic sublattice in TbInO3 can undergo a crystal field-induced distortion of its buckled triangular arrangement to one based on a honeycomb. The absence of a conventional magnetic ordering transition at the lowest measurable temperatures indicates that another critical mechanism must govern in the ground-state selection of TbInO3. Here, we suggest that anisotropic exchange interactions—mediated through strong spin–orbit coupling on the emergent honeycomb lattice of TbInO3—give rise to a highly frustrated spin liquid.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1509564
Journal Information:
Nature Physics, Journal Name: Nature Physics Journal Issue: 3 Vol. 15; ISSN 1745-2473
Publisher:
Nature Publishing Group (NPG)Copyright Statement
Country of Publication:
United States
Language:
English

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REZnAl 11 O 19 (RE = Pr, Nd, Sm–Tb): a new family of ideal 2D triangular lattice frustrated magnets journal January 2019
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Magnetism and spin-gap behaviour in the layered Pr 3 T 4 Al 12 ( T   =  Fe, Ru, Os) compounds with the distorted Kagomé lattice journal December 2019
Absence of magnetic ordering in the spin liquid candidate Ca 3 Cu 2 GeV 2 O 12 journal December 2019
Spin-liquid-like state in pure and Mn-doped TbInO 3 with a nearly triangular lattice journal July 2019
Steplike metamagnetic transitions in a honeycomb lattice antiferromagnet Tb 2 Ir 3 Ga 9 journal November 2019
Spin Liquid State and Topological Structural Defects in Hexagonal TbInO 3 journal July 2019