Kazuyoshi Yoshimura

activity

20032024

most citedUnconventional Superconductivity and Nearly Ferromagnetic Spin Fluctuations in Na

_{x}

CoO

_{2}

\cdot y

_{2}

101 citations · 213 across the 10 of their papers we have counts for

collaborators

Showing cond-mat.supr-conShow all

5 papers · 1 filter

cond-mat.supr-con2008★ 4 cited

59Co, 23Na, and 1H NMR Studies of Double-Layer Hydrated Superconductors NaxCoO2-yH2O

Y. Itoh, H. Ohta, C. Michioka +2

We present our NMR studies of double-layer hydrated cobalt oxides NaxCoO2-yH2O (x ~ 0.35, y ~ 1.3) with various Tc = 0 - 4.8 K and magnetic transition temperatures. High-resolution…

cond-mat.supr-con2005★ 2 cited

Zeeman Perturbed $^{63}$ Cu Nuclear Quadrupole Resonance Study of the Vortex State of YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$

Y. Itoh, C. Michioka, K. Yoshimura +1

We report a $^{63}$ Cu nuclear quadrupole resonance (NQR) study of the vortex state for an aligned polycrystalline sample of a slightly overdoped high- $T_{c}$ superconductor YBa $_{2}$ Cu…

cond-mat.supr-con2004★ 20 cited

Correlation between Superconducting Transition Temperature $T_{c}$ and Increase of Nuclear Spin-Lattice Relaxation Rate Devided by Temperature $1/ T_{1} T$ at $T_{c}$ in the Hydrate Cobaltate Na $_{x}$ CoO $_{2} \cdot y$ H $_{2}$ O

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

We have performed Co-nuclear quadrupole resonance (NQR) studies on Na $_{x}$ CoO $_{2} \cdot y$ H $_{2}$ O compounds with different Na ( $x$ ) and hydrate ( $y$ ) contents. Two samples with d…

cond-mat.supr-con2004

Determination of The Spin Contributed Knight Shift in $N a_{0.35} C o O_{2} \cdot 1.3 H_{2} O$

C. Michioka, M. Kato, K. Yoshimura +4

The spin contributed Knight shift $^{59} K_{s}$ of $^{59} Co$ in the triangular lattice superconductor, $N a_{0.35} Co O_{2} \cdot 1.3 H_{2} O$ , has been estimated by NM…

cond-mat.supr-con2003★ 101 cited

Unconventional Superconductivity and Nearly Ferromagnetic Spin Fluctuations in Na $_{x}$ CoO $_{2}$ $\cdot y$ H $_{2}$ O

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

Co NQR studies were performed in recently discovered superconductor Na $_{x}$ CoO $_{2}$ $\cdot y$ H $_{2}$ O to investigate physical properties in the superconducting (SC) and normal states. T…

59Co, 23Na, and 1H NMR Studies of Double-Layer Hydrated Superconductors NaxCoO2-yH2O

Zeeman Perturbed 63Cu Nuclear Quadrupole Resonance Study of the Vortex State of YBa2​Cu3​O7−δ​

Correlation between Superconducting Transition Temperature Tc​ and Increase of Nuclear Spin-Lattice Relaxation Rate Devided by Temperature 1/T1​T at Tc​ in the Hydrate Cobaltate Nax​CoO2​⋅yH2​O

Determination of The Spin Contributed Knight Shift in Na0.35​CoO2​⋅1.3H2​O

Unconventional Superconductivity and Nearly Ferromagnetic Spin Fluctuations in Nax​CoO2​⋅yH2​O

Zeeman Perturbed $^{63}$ Cu Nuclear Quadrupole Resonance Study of the Vortex State of YBa $_{2}$ Cu $_{3}$ O $_{7 - δ}$

Correlation between Superconducting Transition Temperature $T_{c}$ and Increase of Nuclear Spin-Lattice Relaxation Rate Devided by Temperature $1/ T_{1} T$ at $T_{c}$ in the Hydrate Cobaltate Na $_{x}$ CoO $_{2} \cdot y$ H $_{2}$ O

Determination of The Spin Contributed Knight Shift in $N a_{0.35} C o O_{2} \cdot 1.3 H_{2} O$

Unconventional Superconductivity and Nearly Ferromagnetic Spin Fluctuations in Na $_{x}$ CoO $_{2}$ $\cdot y$ H $_{2}$ O