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11 papers · 2 filters
Revisiting Static and Dynamic Spin Ice Correlations in Ho2Ti2O7
J. P. Clancy, J. P. C. Ruff, S. R. Dunsiger +7
Elastic and inelastic neutron scattering studies have been carried out on the pyrochlore magnet Ho2Ti2O7. Measurements in zero applied magnetic field show that the disordered spin…
Weak quasistatic magnetism in the frustrated Kondo lattice Pr_2Ir_2O_7
D. E. MacLaughlin, Y. Ohta, Y. Machida +6
Muon spin relaxation experiments have been performed in the pyrochlore iridate Pr_2Ir_2O_7 for temperatures in the range 0.025-250 K. Kubo-Toyabe relaxation functions are observed…
Spin Waves and Quantum Criticality in the Frustrated XY Pyrochlore Antiferromagnet Er2Ti2O7
J. P. C. Ruff, J. P. Clancy, A. Bourque +7
We report detailed measurements of the low temperature magnetic phase diagram of ErTiO. Heat capacity and time-of-flight neutron scattering studies of single crystals,…
Itinerant spin excitations near the hidden order transition in URu2Si2
J. A. Janik, H. D. Zhou, Y. -J. Jo +12
By means of neutron scattering we show that the high-temperature precursor to the hidden order state of the heavy fermion superconductor URuSi exhibits heavily damped i…
Suppression of the commensurate spin-Peierls state in Sc-doped TiOCl
J. P. Clancy, B. D. Gaulin, J. P. Castellan +2
We have performed x-ray scattering measurements on single crystals of the doped spin-Peierls compound Ti(1-x)Sc(x)OCl (x = 0, 0.01, 0.03). These measurements reveal that the presen…
SR studies of the frustrated quasi-2d square-lattice spin system Cu(Cl,Br)La(Nb,Ta)O: evolution from spin-gap to antiferromagnetic state
Y. J. Uemura, A. A. Aczel, Y. Ajiro +15
We report muon spin relaxation (SR) and magnetic susceptibility measurements on Cu(Cl,Br)La(Nb,Ta)O, which demonstrate: (a) the absence of static magnetism in (CuCl)…