Spin Disorder on a Triangular Lattice

As liquids crystallize into solids on cooling, spins in magnets generally form periodic order. However, three decades ago, it was theoretically proposed that spins on a triangular lattice form a liquidlike disordered state at low temperatures. Whether or not a spin liquid is stabilized by geometrica...

Full description

Saved in:
Bibliographic Details
Published inScience (American Association for the Advancement of Science) Vol. 309; no. 5741; pp. 1697 - 1700
Main Authors Nakatsuji, Satoru, Nambu, Yusuke, Tonomura, Hiroshi, Sakai, Osamu, Jonas, Seth, Broholm, Collin, Tsunetsugu, Hirokazu, Qiu, Yiming, Maeno, Yoshiteru
Format Journal Article
LanguageEnglish
Published Washington, DC American Association for the Advancement of Science 09.09.2005
The American Association for the Advancement of Science
Subjects
Analysis
Climate
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Correlations
Crystal lattices
Entropy
Exact sciences and technology
Exhibits
Freezing
Ground state
Impurities
Lattice theory
Liquids
Magnetic fields
Magnetic properties and materials
Magnetism
Magnets
Physics
Scientific Concepts
Specific heat
Spin (Aerodynamics)
Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
Spin coupling
Testing
Specific heat
Gallium sulfides
Spin liquid
Triangular lattices
Antiferromagnetic materials
Nickel sulfides
Magnetic structure
Order disorder
Neutron diffusion
Frustration
Magnetic susceptibility
Online AccessGet full text

Cover

More Information
Summary:As liquids crystallize into solids on cooling, spins in magnets generally form periodic order. However, three decades ago, it was theoretically proposed that spins on a triangular lattice form a liquidlike disordered state at low temperatures. Whether or not a spin liquid is stabilized by geometrical frustration has remained an active point of inquiry ever since. Our thermodynamic and neutron measurements on NiGa₂S₄, a rare example of a two-dimensional triangular lattice antiferromagnet, demonstrate that geometrical frustration stabilizes a low-temperature spin-disordered state with coherence beyond the two-spin correlation length. Spin liquid formation may be an origin of such behavior.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ObjectType-Article-1
ObjectType-Feature-2
ISSN:0036-8075
1095-9203
DOI:10.1126/science.1114727