Shingo Yonezawa

Heavy-Mass Behavior of Ordered Perovskites ACu3Ru4O12 (A = Na, Ca, La) (2008)

Tanaka, Soutarou, Shimazui, Nobuhiro, Takatsu, Hiroshi, Yonezawa, Shingo, Maeno, Yoshiteru

We synthesized ACu3Ru4O12 (A = Na, Na0.5Ca0.5, Ca, Ca0.5La0.5, La) and measured their DC magnetization, AC susceptibility, specific heat, and resistivity, in order to investigate the effects of the...

Magnetic-Field Variations of the Pair-Breaking Effects of Superconductivity in (TMTSF)2ClO4 (2008)

Yonezawa, Shingo, Kusaba, Shuichi, Maeno, Yoshiteru, Auban-Senzier, Pascale, Pasquier, Claude, Jérome, Denis

We have studied the onset temperature of the superconductivity Tc_onset of the organic superconductor (TMTSF)2ClO4, by precisely controlling the direction of the magnetic field H. We compare the...

Anomalous In-Plane Anisotropy of the Onset of Superconductivity in (TMTSF)2ClO4 (2008)

Yonezawa, Shingo, Kusaba, S., Maeno, Y., Auban-Senzier, P., Pasquier, C., Bechgaard, K., ...

We report the magnetic field-amplitude and field-angle dependence of the superconducting onset temperature Tc_onset of the organic superconductor (TMTSF)2ClO4 in magnetic fields H accurately aligned...

Field-induced confinement in (TMTSF)2ClO4 under accurately aligned magnetic fields (2007)

Joo, Nada, Auban-Senzier, Pascale, Pasquier, Claude. R, Yonezawa, Shingo, Higashinaka, Ryuji, Maeno, Yoshiteru, ...

We present transport measurements along the least conducting c direction of the organic superconductor (TMTSF)2ClO4, performed under an accurately aligned magnetic field in the low temperature...

Field-induced confinement in (TMTSF)2ClO4 under accurately aligned magnetic fields (2007)

Joo, Nada, Auban-Senzier, Pascale, Pasquier, Claude. R, Yonezawa, Shingo, Higashinaka, Ryuji, Maeno, Yoshiteru, ...

We present transport measurements along the least conducting c direction of the organic superconductor (TMTSF)2ClO4, performed under an accurately aligned magnetic field in the low temperature...

Field-induced confinement in (TMTSF)2ClO4 under accurately aligned magnetic fields (2006)

Joo, Nada, Auban-Senzier, Pascale, Pasquier, Claude. R, Yonezawa, Shingo, Higashinaka, Ryuji, Maeno, Yoshiteru, ...

We present transport measurements along the least conducting c direction of the organic superconductor (TMTSF)2ClO4, performed under an accurately aligned magnetic field in the low temperature...

Field-induced confinement in (TMTSF)2ClO4 under accurately aligned magnetic fields (2006)

Joo, Nada, Auban-Senzier, Pascale, Pasquier, Claude. R, Yonezawa, Shingo, Higashinaka, Ryuji, Maeno, Yoshiteru, ...

We present transport measurements along the least conducting c direction of the organic superconductor (TMTSF)2ClO4, performed under an accurately aligned magnetic field in the low temperature...

Field-induced confinement in (TMTSF)2ClO4 under accurately aligned magnetic fields (2006)

Joo, Nada, Auban-Senzier, Pascale, Pasquier, Claude. R, Yonezawa, Shingo, Higashinaka, Ryuji, Maeno, Yoshiteru, ...

We present transport measurements along the least conducting c direction of the organic superconductor (TMTSF)2ClO4, performed under an accurately aligned magnetic field in the low temperature...

Nearly free electrons in the layered oxide superconductor Ag5Pb2O6 (2005)

Sutherland, Mike, Mann, P. D. A., Bergemann, Christoph, Yonezawa, Shingo, Maeno, Yoshiteru

We present first measurements of quantum oscillations in the layered oxide superconductor Ag5Pb2O6. From a detailed angular and temperature dependent study of the dHvA effect we determine the...

Exceptional type-I superconductivity of the layered silver oxide Ag$_5$Pb$_2$O$_6$ (2005)

Yonezawa, Shingo, Maeno, Yoshiteru

We report zero-resistivity transition and the details of magnetic transition of a layered silver oxide Ag$_5$Pb$_2$O$_6$ single crystal, which make definitive evidence of superconductivity in this...

Non-linear Temperature Dependence of Resistivity in Single Crystalline Ag$_5$Pb$_2$O$_6$ (2004)

Yonezawa, Shingo, Maeno, Yoshiteru

We measured electrical resistivity, specific heat and magnetic susceptibility of single crystals of highly conductive oxide Ag_5Pb_2O_6, which has a layered structure containing a Kagome lattice....