49 citations · 116 across the 5 of their papers we have counts for
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Electronic texture of the thermoelectric oxide Na0.75CoO2
M. -H. Julien, C. de Vaulx, H. Mayaffre +9
From 59Co and 23Na NMR, we demonstrate the impact of the Na+ vacancy ordering on the cobalt electronic states in Na0.75CoO2: at long time scales, there is neither a disproportionat…
Intraplanar Magnetic Excitations in Na0.5CoO2: An Inelastic Neutron Study
J. Wooldridge, G. Balakrishnan, D. McK. Paul +3
Inelastic neutron scattering measurements mapping the in-plane magnetic interactions of Na0.5CoO2 reveal dispersive excitations at points above an energy gap Eg = 11.5(5) meV at th…
The magnetic field and pressure dependence of the magnetic ordering transition in NaxCoO2 (0.6<x<0.72)
J. Wooldridge, D. McK. Paul, G. Balakrishnan +1
We have measured the magnetic field (H<90 kOe) and pressure (P<10 kbar) dependence of the magnetic ordering temperature, Tmag, in single crystal samples of NaxCoO2 for a range of N…
Investigation of the Spin Density Wave in NaxCoO2
J. Wooldridge, D. McK Paul, G. Balakrishnan +1
Magnetic susceptibility, transport and heat capacity measurements of single crystal NaxCoO2 (x=0.71) are reported. A transition to a spin density wave (SDW) state at Tmag = 22 K is…