Muon spin relaxation investigation of frustrated antiferromagnetic pyrochlores A 2 B 2 O 7

S.R. Dunsiger a, R.F. Kiefl a,b, K.H. Chow c, B.D. Gaulin d, M.J.P. Gingras e, J.E. Greedan f, A. Keren g, K. Kojima g, G.M. Luke g, W.A. MacFarlane a, N.P. Raju f, J.E. Sonier a, Y.J. Uemura g and W.D. Wu g a Department of Physics and Astronomy, University of British Columbia, Canada V6T 1Z1 b Canadian Institute for Advanced Research, University of British Columbia, Canada V6T 1Z1 c Clarendon Laboratory, Oxford University, Parks Road, Oxford OX1 3PU, UK d Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1 e TRIUMF, 4004 Wesbrook Mall, Vancouver, Canada V6T 2A3 f Department of Chemistry, McMaster University, Hamilton, Ontario, Canada L8S 4M1 g Department of Physics, Columbia University, New York, NY 10027, USA