K. Takada

activity

20032006

most citedUnconventional Upper- and Lower-Critical Fields and Normal-State Magnetic Susceptibility of the Novel Superconducting Compound

N a_{0.35} C o O_{2} \cdot 1.3 H_{2} O

73 citations · 429 across the 15 of their papers we have counts for

collaborators

Showing 2003Show all

7 papers · 1 filter

cond-mat.mtrl-sci2003★ 50 cited

Bulk Electronic structure of Na $_{0.35}$ CoO $_{2}$ .1.3H $_{2}$ O

A. Chainani, T. Yokoya, Y. Takata +18

High-energy (h $ν$ = 5.95 keV) synchrotron Photoemission spectroscopy (PES) is used to study bulk electronic structure of Na $_{0.35}$ CoO $_{2}$ .1.3H $_{2}$ O, the layered superconducto…

cond-mat.supr-con2003★ 13 cited

The role of the water molecules in novel superconductor, Na $_{0.35}$ CoO $_{2} \cdot$ 1.3H $_{2}$ O

H. Sakurai, K. Takada, F. Izumi +3

In order to investigate the role of the water molecules in Na $_{0.35}$ CoO $_{2} \cdot$ 1.3H $_{2}$ O, we synthesized superconducting Na $_{0.35}$ CoO $_{2} \cdot$ 1.3H $_{2}$ O and nonsupercon…

cond-mat.supr-con2003★ 57 cited

Possible unconventional superconductivity in Na $_{x}$ CoO $_{2}$ yH $_{2}$ O probed by $μ$ SR

Wataru Higemoto, Kazuki Ohishi, Akihiro Koda +6

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…

cond-mat.str-el2003★ 22 cited

Effect of Na content and hydration on the excitation spectrum of the cobaltite Na_xCoO_2 yH_2O

P. Lemmens, V. Gnezdilov, N. N. Kovaleva +8

We report on a Raman scattering study on the superconducting cobaltite $N a_{x} C o O_{2} \cdot y H_{2} O$ as function of Na content and hydration (x $\approx$ 1/3, 3/4 and y $\approx$ 0, 2/3, 4/3)…

cond-mat.supr-con2003

Specific heat of unconventional superconductivity in NaxCoO2-yH2O

H. D. Yang, J. -Y. Lin, C. P. Sun +5

Comprehensive studies of the low-temperature specific heat C(T,H) in NaxCoO2-yH2O are presented. At H=0, a very sharp anomaly was observed at T=4.7 K indicating the existence of bu…

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…

Bulk Electronic structure of Na0.35​CoO2​.1.3H2​O

The role of the water molecules in novel superconductor, Na0.35​CoO2​⋅1.3H2​O