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Magnetic Studies of Polycrystalline and Single-Crystal NaxCoO2
D. Prabhakaran, A. T. Boothroyd, R. Coldea +2
We have investigated the preparation and bulk magnetic properties of NaxCoO2 in the range 0.5<x<0.95, including those for single crystals grown by the floating-zone method in an im…
Ferromagnetic in-plane spin fluctuations in NaxCoO2 observed by neutron inelastic scattering
A. T. Boothroyd, R. Coldea, D. A. Tennant +3
We present neutron scattering spectra taken from a single crystal of Na0.75CoO2, the precursor to a novel cobalt-oxide superconductor. The data contain a prominent inelastic signal…
Observation of extended scattering continua characteristic of spin fractionalization in the 2D frustrated quantum magnet Cs2CuCl4 by neutron scattering
R. Coldea, D. A. Tennant, Z. Tylczynski
The magnetic excitations of the quasi-2D spin-1/2 Heisenberg antiferromagnet on an anisotropic triangular lattice Cs2CuCl4 are explored throughout the 2D Brillouin zone using inela…