From Cooperative Paramagnet to Néel Order in Y_2Ru_2O_7

J. van Duijn, N. Hur, J. W. Taylor +5

Spin correlations in the pyrochlore antiferromagnet Y_2Ru_2O_7 with Curie-Weiss temperature ${\Theta }_{CW}=-1100$ K and critical temperature T_N=77 K were examined through neutron scatter…