101 citations · 226 across the 7 of their papers we have counts for
7 papers
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…
Correlation between Tc and Lattice Parameters of Novel Superconducting NaxCoO2 yH2O
H. Sakurai, K. Takada, T. Sasaki +3
We synthesized the five batches of the samples of the novel P3 type superconductor, Na(HO)CoOHO, by the soft chemical process starting from…
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…
Laser-excited ultrahigh-resolution photoemission spectroscopy of NaxCoO2.yH2O:Evidence for pseudogap formation
T. Shimojima, T. Yokoya, T. Kiss +9
We have studied the temperature-dependent electronic structure near the Fermi level (EF) of the layered cobaltate superconductor, Na0.35CoO2.1.3H2O, and related materials, using la…
Evidence of nodal superconductivity in Na_0.35CoO2-1.3H_2O: a specific heat study
H. D. Yang, J. -Y. Lin, C. P. Sun +6
Comprehensive low-temperature specific heat data C(T,H) of Na_0.35CoO2-1.3H_2O with temperature T down to 0.6 K and the magnetic field H up to 8 T are presented. For the normal sta…
Determination of The Spin Contributed Knight Shift in
C. Michioka, M. Kato, K. Yoshimura +4
The spin contributed Knight shift of in the triangular lattice superconductor, , has been estimated by NM…