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- Title
Spin chirality on a two-dimensional frustrated lattice.
- Authors
Grohol, Daniel; Matan, Kittiwit; Jin-Hyung Cho; Seung-Hun Lee; Lynn, Jeffrey W.; Nocera, Daniel G.; Lee, Young S.
- Abstract
The collective behaviour of interacting magnetic moments can be strongly influenced by the topology of the underlying lattice. In geometrically frustrated spin systems, interesting chiral correlations may develop that are related to the spin arrangement on triangular plaquettes. We report a study of the spin chirality on a two-dimensional geometrically frustrated lattice. Our new chemical synthesis methods allow us to produce large single-crystal samples of KFe3(OH)6(SO4)2, an ideal Kagomé lattice antiferromagnet. Combined thermodynamic and neutron scattering measurements reveal that the phase transition to the ordered ground-state is unusual. At low temperatures, application of a magnetic field induces a transition between states with different non-trivial spin-textures.
- Subjects
CHIRALITY; TOPOLOGY; LATTICE theory; THERMODYNAMICS; NEUTRONS; MAGNETIC fields
- Publication
Nature Materials, 2005, Vol 4, Issue 4, p323
- ISSN
1476-1122
- Publication type
Article
- DOI
10.1038/nmat1353