Hiroya Sakurai

$^{17}$O NMR Measurements on Superconducting Na$_{0.35}$CoO$_{2} \cdot y$H$_{2}$O (2005)

Ihara, Yoshihiko, Ishida, Kenji, Yoshimura, Kazuyoshi, Takada, Kazunori, Sasaki, Takayoshi, Sakurai, Hiroya, ...

An $^{17}$O NMR measurement was performed on nonoriented polycrystalline Na$_{0.35}$CoO$_2 \cdot y$H$_2$O with superconducting (SC) transition temperature $T_\text{c} = 4.6$ K. A weak temperature...

Possible unconventional superconductivity in Na$_x$CoO$_2$yH$_2$O probed by $\mu$SR (2003)

Higemoto, Wataru, Ohishi, Kazuki, Koda, Akihiro, Kadono, Ryosuke, Ishida, Kenji, Takada, Kazunori, ...

The superconducting property of recently discovered sodium cobalt oxyhydrate, Na$_{0.35}$CoO$_2$1.3H$_2$O ($T_c=4.5$ K), has been studied by means of muon spin rotation/relaxation ($\mu$SR) down to 2...

Unconventional Upper- and Lower-Critical Fields and Normal-State Magnetic Susceptibility of the Novel Superconducting Compound $Na_{0.35} Co O_2 \cdot 1.3 H_2O$ (2003)

Sakurai, Hiroya, Takada, Kazunori, Yoshii, Shunsuke, Sasaki, Takayoshi, Kindo, Koichi, Takayama-Muromachi, Eiji

Magnetic properties of the novel layered superconductor, Na$_{0.35}$CoO$_{2}$$\cdot$1.3H$_{2}$O have been investigated. From the temperature dependence and field dependence of the magnetization, the...