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4 papers
In-plane Anisotropy of the Magnetic Fluctuations in NaxCoO2-yH2O
C. Michioka, Y. Itoh, H. Ohta +2
We report the Co NMR studies of the in-plane anisotropy of bilayer hydrated Na using a oriented powder sample by a magnetic fie…
Anisotropic Behavior of Knight Shift in Superconducting State of Na_xCoO_2yH_2O
Y. Ihara, K. Ishida, H. Takeya +8
The Co Knight shift was measured in an aligned powder sample of Na_xCoO_2yH_2O, which shows superconductivity at T_c \sim 4.6 K. The Knight-shift components parallel (K_c) and perp…
Weak Magnetic Order in the Bilayered-hydrate NaCoOHO Structure Probed by Co Nuclear Quadrupole Resonance - Proposed Phase Diagram in Superconducting NaCoO HO
Y. Ihara, K. Ishida, C. Michioka +6
A weak magnetic order was found in a non-superconducting bilayered-hydrate NaCoOHO sample by a Co Nuclear Quadrupole Resonance (NQR) measurement. The nucle…
Magnetic Fluctuations in the Metallic State of NaCoO Revealed by Na NMR
Y. Ihara, K. Ishida, C. Michioka +4
Nuclear-magnetic-resonance (NMR) studies were performed in NaCoO to investigate its magnetic properties from the microscopic point of view. NaCoO is a start…