M. Kato

We report the $^{59}$ Co NMR studies of the in-plane anisotropy of bilayer hydrated Na $_{x} Co O_{2} \cdot$ $y H_{2} O$ using a oriented powder sample by a magnetic fie…

cond-mat.supr-con2005★ 22 cited

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…

cond-mat.supr-con2004★ 52 cited

Weak Magnetic Order in the Bilayered-hydrate Na $_{x}$ CoO $_{2} \cdot y$ H $_{2}$ O Structure Probed by Co Nuclear Quadrupole Resonance - Proposed Phase Diagram in Superconducting Na $_{x}$ CoO $_{2} \cdot$ $y$ H $_{2}$ O

Y. Ihara, K. Ishida, C. Michioka +6

A weak magnetic order was found in a non-superconducting bilayered-hydrate Na $_{x}$ CoO $_{2} \cdot y$ H $_{2}$ O sample by a Co Nuclear Quadrupole Resonance (NQR) measurement. The nucle…

cond-mat.str-el2004★ 23 cited

Magnetic Fluctuations in the Metallic State of Na $_{0.7}$ CoO $_{2}$ Revealed by $^{23}$ Na NMR

Y. Ihara, K. Ishida, C. Michioka +4

Nuclear-magnetic-resonance (NMR) studies were performed in Na $_{0.7}$ CoO $_{2}$ to investigate its magnetic properties from the microscopic point of view. Na $_{0.7}$ CoO $_{2}$ is a start…

cond-mat.supr-con2003★ 40 cited

Possible Spin-triplet Superconductivity in NaxCoO2yH2O - 59Co NMR Study

M. Kato, C. Michioka, T. Waki +7

We report 59Co NMR studies on the magnetically oriented powder samples of Co-oxide superconductors NaxCoO2yH2O with Tc ~ 4.7 K. From two-dimensional powder pattern in the NMR spect…

In-plane Anisotropy of the Magnetic Fluctuations in NaxCoO2-yH2O

Anisotropic Behavior of Knight Shift in Superconducting State of Na_xCoO_2yH_2O

Weak Magnetic Order in the Bilayered-hydrate Nax​CoO2​⋅yH2​O Structure Probed by Co Nuclear Quadrupole Resonance - Proposed Phase Diagram in Superconducting Nax​CoO2​⋅ yH2​O

Magnetic Fluctuations in the Metallic State of Na0.7​CoO2​ Revealed by 23Na NMR

Possible Spin-triplet Superconductivity in NaxCoO2yH2O - 59Co NMR Study

Weak Magnetic Order in the Bilayered-hydrate Na $_{x}$ CoO $_{2} \cdot y$ H $_{2}$ O Structure Probed by Co Nuclear Quadrupole Resonance - Proposed Phase Diagram in Superconducting Na $_{x}$ CoO $_{2} \cdot$ $y$ H $_{2}$ O

Magnetic Fluctuations in the Metallic State of Na $_{0.7}$ CoO $_{2}$ Revealed by $^{23}$ Na NMR