162 citations · 503 across the 18 of their papers we have counts for
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Anisotropic pressure effects on superconductivity in Fe1+yTe1-xSx
Kazunori Yamamoto, Teruo Yamazaki, Takayoshi Yamanaka +3
We have investigated uniaxial and hydrostatic pressure effects on superconductivity in Fe1.07Te0.88S0.12 through magnetic-susceptibility measurements down to 1.8 K. The superconduc…
Size Dependence of Oxygen-annealing Effects on Superconductivity of Fe{1+y}Te{1-x}S{x}
Teruo Yamazaki, Tatsuya Sakurai, Hiroshi Yaguchi
For the Fe-based superconductor Fe{1+y}Te{1-x}S{x}, superconductivity is induced by annealing treatment in oxygen atmosphere, whereas as-grown samples do not show superconductivity…
Edge states of SrRuO detected by in-plane tunneling spectroscopy
Satoshi Kashiwaya, Hiromi Kashiwaya, Hiroshi Kambara +4
We perform tunneling spectroscopy of SrRuO searching for the edge states peculiar to topological superconductivity. Conductance spectra obtained on SrRuO/Au junctio…
DC Current Driven Critical Current Variation in Sr2RuO4-Ru Junction Proved by Local Transport Measurements
Hiroshi Kambara, Tetsuro Matsumoto, Hiromi Kashiwaya +5
To search for new evidence of the chiral p-wave superconducting domain in Sr2RuO4, we investigated the unconventional local transport characteristics of a microfabricated Sr2RuO4-R…
Higher-Tc superconducting phase in Sr2RuO4 induced by uniaxial pressure
Shunichiro Kittaka, Haruka Taniguchi, Shingo Yonezawa +2
We have investigated uniaxial pressure effect on superconductivity of pure Sr2RuO4, whose intrinsic superconducting transition temperature Tc is 1.5 K. It was revealed that a very…
Large Enhancement of 3-K Phase Superconductivity in the Sr2RuO4-Ru Eutectic System by Uniaxial Pressure
Shunichiro Kittaka, Hiroshi Yaguchi, Yoshiteru Maeno
While the superconducting transition temperature Tc of Sr2RuO4 is 1.5 K, its onset Tc is enhanced as high as 3 K in the Sr2RuO4-Ru eutectic system, which is often referred to as th…
Spatial development of superconductivity in the Sr2RuO4-Ru eutectic system
Shunichiro Kittaka, Taketomo Nakamura, Hiroshi Yaguchi +2
We have clarified how the enhanced superconductivity, often referred to as the 3-K phase superconductivity, develops in the Sr2RuO4-Ru eutectic system. From the detailed ac and dc…
Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4
H. Kambara, S. Kashiwaya, H. Yaguchi +3
Using micro fabrication techniques, we extracted individual channels of 3-Kelvin (3-K) phase superconductivity in Sr2RuO4-Ru eutectic systems and confirmed odd-parity superconducti…
Tunnelling spectroscopy of the interface between Sr2RuO4 and a single Ru micro-inclusion in eutectic crystals
Hiroshi Yaguchi, Keiichi Takizawa, Minoru Kawamura +6
The understanding of the zero bias conductance peak (ZBCP) in the tunnelling spectra of S/N junctions involving d-wave cuprate superconductors has been important in the determinati…
Spectroscopy of SrRuO/Ru Junctions in Eutectic
H. Yaguchi, K. Takizawa, M. Kawamura +6
We have investigated the tunnelling properties of the interface between superconducting Sr2RuO4 and a single Ru inclusion in eutectic. By using a micro-fabrication technique, we ha…
Observation of a mixed pairing state in Ru microdomains embedded in
Z. Long, C. Andreou, Z. Q. Mao +3
We report first measurements on tunneling into the {\it interior} of a Ru microdomain embedded in bulk chiral p-wave superconductor SrRuO. The junctions were prepared b…
Tunneling properties at the interface between superconducting Sr2RuO4 and a Ru micro-inclusion
M. Kawamura, H. Yaguchi, N. Kikugawa +2
We have investigated the magnetic field and temperature dependence of the tunneling spectra of the eutectic system Sr2RuO4-Ru. Electric contacts to individual Ru lamellae embedded…
Interface superconductivity in the eutectic Sr2RuO4-Ru: 3-K phase of Sr2RuO4
Hiroshi Yaguchi, Masahiko Wada, Takashi Akima +2
The eutectic system Sr2RuO4-Ru is referred to as the 3-K phase of the spin-triplet supeconductor Sr2RuO4 because of its enhanced superconducting transition temperature Tc of ~3 K.…
Detailed study of the ac susceptibility of Sr2RuO4 in oriented magnetic fields
Hiroshi Yaguchi, Takashi Akima, Zhiqiang Mao +2
We have investigated the ac susceptibility of the spin triplet superconductor SrRuO as a function of magnetic field in various directions at temperatures down to 60 mK. We…