Kagomé ice state in the dipolar spin ice Dy_{2}Ti_{2}O_{7}

Details Kagomé ice state in the dipolar spin ice Dy_{2}Ti_{2}O_{7} Kagomé ice state in the dipolar spin ice Dy_{2}Ti_{2}O_{7}

2006-07-31

arxiv.org/abs/cond-mat/0607808v2

Phys. Rev. Lett. 97, 257205 (2006)

Physics

Condensed Matter

Disordered Systems and Neural Networks

5 pages, 3 figures, submitted to PRL

Scientific paper

10.1103/PhysRevLett.97.257205

We have investigated the kagom\'{e} ice behavior of the dipolar spin-ice compound Dy_{2}Ti_{2}O_{7} in magnetic field along a [111] direction using neutron scattering and Monte Carlo simulations. The spin correlations show that the kagom\'{e} ice behavior predicted for the nearest-neighbor (NN) interacting model, where the field induces dimensional reduction and spins are frustrated in each two-dimensional kagom\'{e} lattice, occurs in the dipole interacting system. The spins freeze at low temperatures within the macroscopically degenerate ground states of the NN model.

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