Kagomé Ice State in the Dipolar Spin Ice Dy2Ti2O7

Y. Tabata, H. Kadowaki, K. Matsuhira, Z. Hiroi, N. Aso, E. Ressouche, and B. Fåk
Phys. Rev. Lett. 97, 257205 – Published 21 December 2006

Abstract

We have investigated the kagomé ice behavior of the dipolar spin-ice compound Dy2Ti2O7 in a magnetic field along a [111] direction using neutron scattering and Monte Carlo simulations. The spin correlations show that the kagomé ice behavior predicted for the nearest-neighbor interacting model, where the field induces dimensional reduction and spins are frustrated in each two-dimensional kagomé lattice, occurs in the dipole interacting system. The spins freeze at low temperatures within the macroscopically degenerate ground states of the nearest-neighbor model.

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  • Received 13 July 2006

DOI:https://doi.org/10.1103/PhysRevLett.97.257205

©2006 American Physical Society

Authors & Affiliations

Y. Tabata1, H. Kadowaki2, K. Matsuhira3, Z. Hiroi4, N. Aso5, E. Ressouche6, and B. Fåk6

  • 1Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
  • 2Department of Physics, Tokyo Metropolitan University, Hachioji-shi, Tokyo 192-0397, Japan
  • 3Department of Electronics, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan
  • 4Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
  • 5NSL, Institute for Solid State Physics, University of Tokyo, Tokai, Ibaraki 319-1106, Japan
  • 6CEA, Département de Recherche Fondamentale sur la Matiére Condensée, SPSMS, 38054 Grenoble, France

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Issue

Vol. 97, Iss. 25 — 22 December 2006

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