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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.
Afiliación
  • Kim MG; Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA.
  • Winn B; Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Chi S; Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Savici AT; Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Rodriguez-Rivera JA; NIST Center for Neutron Research, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, USA.
  • Chen WC; Department of Materials Science, University of Maryland, College Park, Maryland 20742, USA.
  • Xu X; NIST Center for Neutron Research, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, USA.
  • Li Y; Department of Materials Science, University of Maryland, College Park, Maryland 20742, USA.
  • Kim JW; Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA.
  • Cheong SW; Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA.
  • Kiryukhin V; Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA.
Phys Rev B ; 100(1)2019 Jul.
Article en En | MEDLINE | ID: mdl-38712019
ABSTRACT
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.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Phys Rev B Año: 2019 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Phys Rev B Año: 2019 Tipo del documento: Article País de afiliación: Estados Unidos