Spin correlation in kagomé ice state: neutron scattering study of the dipolar spin ice Dy_{2}Ti_{2}O_{7} under magnetic field along [111]
arXiv:cond-mat/0611527 · doi:10.1016/j.jmmm.2006.10.479
Abstract
We have investigated the kagomé ice state in the frustrated pyrochlore oxide Dy_{2}Ti_{2}O_{7} under magnetic field along a [111] axis. Spin correlations have been measured by neutron scattering and analyzed by Monte-Carlo simulation. The kagomé ice state, which has a non-vanishing residual entropy well established for the nearest-neighbor spin ice model by the exact solution, has been proved to be realized in the dipolar-interacting spin ice Dy_{2}Ti_{2}O_{7} by observing the characteristic spin correlations. The simulation shows that the long-range interaction gives rise to only weak lifting of the ground state degeneracy and that the system freezes within the degenerate kagomé ice manifold .
arXiv comment4 pages, 1 figure, to be published in J. Magn. Magn. Mater. (ICM2006)
References in corpus (7)
- Spin Ice State in Frustrated Magnetic Pyrochlore Materials
- Dipolar Interactions and Origin of Spin Ice in Ising Pyrochlore Magnets
- Why spin ice obeys the ice rules
- A new macroscopically degenerate ground state in the spin ice compound Dy2Ti2O7 under a magnetic field
- Specific Heat of Kagome Ice in the Pyrochlore Oxide Dy2Ti2O7
- Neutron scattering study of dipolar spin ice Ho_2Sn_2O_7: Frustrated pyrochlore magnet
- Finite Temperature Transitions in Large Magnetic Field in Dipolar Spin Ice