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Spin-orbital short-range order on a honeycomb-based lattice

Nakatsuji, S., Kuga, K., Kimura, K., Satake, R., Katayama, N., Nishibori, E., Sawa, H., Ishii, R., Hagiwara, M., Bridges, F., and others. (2012) Spin-orbital short-range order on a honeycomb-based lattice. Science, 336 (6081). pp. 559-563. ISSN 00368075 (ISSN). (doi:10.1126/science.1212154) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Abstract

Frustrated magnetic materials, in which local conditions for energy minimization are incompatible because of the lattice structure, can remain disordered to the lowest temperatures. Such is the case for Ba 3CuSb2O9, which is magnetically anisotropic at the atomic scale but curiously isotropic on mesoscopic length and time scales. We find that the frustration of Wannier's Ising model on the triangular lattice is imprinted in a nanostructured honeycomb lattice of Cu2+ ions that resists a coherent static Jahn-Teller distortion. The resulting two-dimensional random-bond spin-1/2 system on the honeycomb lattice has a broad spectrum of spin-dimer-like excitations and low-energy spin degrees of freedom that retain overall hexagonal symmetry.

Item Type: Article
DOI/Identification number: 10.1126/science.1212154
Additional information: Unmapped bibliographic data: LA - English [Field not mapped to EPrints] J2 - Science [Field not mapped to EPrints] AD - Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan [Field not mapped to EPrints] AD - Department of Applied Physics, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan [Field not mapped to EPrints] AD - KYOKUGEN, Osaka University, Toyonaka, Osaka 560-8531, Japan [Field not mapped to EPrints] AD - Physics Department, University of California, Santa Cruz, CA 95064, United States [Field not mapped to EPrints] AD - Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan [Field not mapped to EPrints] AD - Faculty of Education, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan [Field not mapped to EPrints] AD - Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, Indonesia [Field not mapped to EPrints] AD - NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, United States [Field not mapped to EPrints] AD - Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, United States [Field not mapped to EPrints] AD - Institute for Quantum Matter (IQM), Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, United States [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Uncontrolled keywords: cupric ion, nanomaterial, barium, cation, copper, crystal structure, low temperature, magnetic anisotropy, magnetic property, symmetry, article, chemical structure, comb, crystal structure, electrospinning, energy, excitation, honey, motion, particle size, priority journal
Subjects: Q Science > QC Physics > QC173.45 Condensed Matter
Q Science > QD Chemistry > QD478 Solid State Chemistry
Divisions: Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Depositing User: Giles Tarver
Date Deposited: 14 Oct 2015 11:25 UTC
Last Modified: 29 May 2019 16:08 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/50965 (The current URI for this page, for reference purposes)
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