activity
20032009
most citedMagnetic anomalies of hydrous cobaltate compound Na_x(H_3O)_zCoO_2 \cdot yH_2O detected by NMR and NQR measurements

2 citations · 2 across the 1 of their papers we have counts for

collaborators

5 papers

cond-mat.supr-con20092 cited

Magnetic anomalies of hydrous cobaltate compound Na_x(H_3O)_zCoO_2 \cdot yH_2O detected by NMR and NQR measurements

Y. Ihara, H. Takeya, K. Ishida +5

In order to investigate the relationship between superconductivity and magnetism in bilayer-hydrate cobaltate Na_x(H_3O)_zCoO_2 \cdot yH_2O, Co nuclear magnetic resonance (NMR) and…

cond-mat.supr-con2005

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-con2005

O NMR Measurements on Superconducting NaCoOHO

Yoshihiko Ihara, Kenji Ishida, Kazuyoshi Yoshimura +4

An O NMR measurement was performed on nonoriented polycrystalline NaCoOHO with superconducting (SC) transition temperature K. A w…

cond-mat.supr-con2004

Correlation between Superconducting Transition Temperature and Increase of Nuclear Spin-Lattice Relaxation Rate Devided by Temperature at in the Hydrate Cobaltate NaCoOHO

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

We have performed Co-nuclear quadrupole resonance (NQR) studies on NaCoOHO compounds with different Na () and hydrate () contents. Two samples with d…

cond-mat.supr-con2003

Unconventional Superconductivity and Nearly Ferromagnetic Spin Fluctuations in NaCoOHO

K. Ishida, Y. Ihara, Y. Maeno +7

Co NQR studies were performed in recently discovered superconductor NaCoOHO to investigate physical properties in the superconducting (SC) and normal states. T…