W. Higemoto

Publication List Details

Period

1993 - 2007

Number

52

Co-Authors

Cu-spin dynamics in the overdoped regime of La_2-x_Sr_x_Cu_1-y_Zn_y_O_4_ probed by muon spin relaxation (2007)

Adachi, T., Oki, N., Yairi, S., Tanabe, Y., Omori, K., ...

Muon-spin-relaxation measurements have been performed for the partially Zn-substituted La_2-x_Sr_x_Cu_1-y_Zn_y_O_4_ with y=0-0.10 in the overdoped regime up to x=0.30. In the 3 % Zn-substituted...

Muon spin rotation measurements of the superfluid density in fresh and aged superconducting PuCoGa$_5$ (2007)

Ohishi, K., Heffner, R. H., Morris, G. D., Bauer, E. D., Graf, M. J., ...

We have measured the temperature dependence and magnitude of the superfluid density $\rho_{\rm s}(T)$ via the magnetic field penetration depth $\lambda(T)$ in PuCoGa$_5$ (nominal critical temperature...

Muon spin relaxation and hyperfine-enhanced 141Pr nuclear spin dynamic in Pr(Os,Ru)4Sb12 and (Pr,La)Os4Sb12 (2007)

Shu, Lei, MacLaughlin, D. E., Aoki, Y., Tunashima, Y., Yonezawa, Y., Sanada, S., ...

Zero- and longitudinal-field muon spin relaxation (MuSR) experiments have been carried out in the alloy series Pr(Os1-xRux)4Sb12 and Pr1-yLayOs4Sb12 to elucidate the anomalous dynamic muon spin...

Microscopic properties of vortex state in YB6 probed by muon spin rotation (2007)

Kadono, R., Kuroiwa, S., Akimitsu, J., Koda, A., Ohishi, K., Higemoto, W., ...

Local magnetic field distribution B(r) in the mixed state of a boride superconductor, YB6, is studied by muon spin rotation (muSR). A comparative analysis using the modified London model and...

Anomalous magnetic phase in an undistorted pyrochlore oxide Cd2Os2O7 induced by geometrical frustration (2007)

Koda, A., Kadono, R., Ohishi, K., Saha, S. R., Higemoto, W., Yonezawa, S., ...

We report on the muon spin rotation/relaxation study of a pyrochlore oxide, Cd2Os2O7, which exhibits a metal-insulator (MI) transition at T_{MI}~225 K without structural phase transition. It reveals...

Magnetic field-induced quasiparticle excitation in Nb3Sn: Evidence for anisotropic s-wave pairing (2006)

Kadono, R., Satoh, K. H., Koda, A., Nagata, T., Kawano-Furukawa, H., Suzuki, J., ...

The response of vortex state to the magnetic field in Nb3Sn is probed using muon spin rotation and small-angle neutron scattering. A transformation of vortex structure between hexagonal and squared...

Possible Magnetic Chirality in Optically Chiral Magnet [Cr(CN)$_6$][Mn($S$)-pnH(H$_2$O)](H$_2$O) Probed by Muon Spin Rotation and Relaxation (2006)

Ohishi, K., Higemoto, W., Koda, A., Saha, S. R., Kadono, R., Inoue, K., ...

Local magnetic fields in a molecule-based optically chiral magnet [Cr(CN)$_6$][Mn($S$)-pnH(H$_2$O)](H$_2$O) (GN-S) and its enantiomer (GN-R) are studied by means of muon spin rotation and relaxation...

Field-Induced Uniform Antiferromagnetic Order Associated with Superconductivity in Pr$_{1-x}$LaCe$_{x}$CuO$_{4-\delta}$ (2005)

Kadono, R., Ohishi, K., Koda, A., Saha, S. R., Higemoto, W., Fujita, M., ...

Strong correlation between field-induced antiferromagnetic (AF) order and superconductivity is demonstrated for an electron-doped cuprate superconductor, Pr$_{1-x}$LaCe$_{x}$CuO$_{4-\delta}$ (PLCCO)....

Staggered magnetism in LiV$_2$O$_4$ at low temperatures probed by the muon Knight shift (2005)

Koda, A., Kadono, R., Ohishi, K., Saha, S. R., Higemoto, W., Matsushita, Y., ...

We report on the muon Knight shift measurement in single crystals of LiV2O4. Contrary to what is anticipated for the heavy-fermion state based on the Kondo mechanism, the presence of inhomogeneous...

Magnetic Phase Diagram of the Hole-doped Ca$_{2-x}$Na$_{x}$CuO$_{2}$Cl$_{2}$ Cuprate Superconductor (2004)

Ohishi, K., Yamada, I., Koda, A., Higemoto, W., Saha, S. R., Kadono, R., ...

We report on the magnetic phase diagram of a hole-doped cuprate Ca$_{2-x}$Na$_{x}$CuO$_{2}$Cl$_{2}$, which is free from buckling of CuO$_2$ planes, determined by muon spin rotation and relaxation. It...

Ferromagnetic Instability in AFe4Sb12 (A = Ca, Sr, and Ba) (2004)

Matsuoka, E., Hayashi, K., Ikeda, A., Tanaka, K., Takabatake, T., Higemoto, W., ...

Magnetic, transport and thermal properties of AFe4Sb12 (A = Ca, Sr, Ba) are reported. All three compounds show a maximum in both the magnetic susceptibility and thermopower at 50 K, and a large...

Correlation between Superconducting Carrier Density and Transition Temperature in NbB$_{2+x}$ (2004)

Takagiwa, H., Kuroiwa, S., Yamazawa, M., Akimitsu, J., Ohishi, K., Koda, A., ...

We report on the magnetic penetration depth, lambda, in a type II superconductor NbB_{2+x} determined by muon spin rotation method. We show in the sample with x=0.1 that lambda at 2.0 K is...

Strong correlation between field-induced magnetism and superconductivity in Pr$_{0.89}$LaCe$_{0.11}$CuO$_{4}$ (2004)

Kadono, R., Ohishi, K., Koda, A., Higemoto, W., Kojima, K. M., Fujita, M., ...

We report the local magnetic response of an electron-doped cuprate superconductor, Pr$_{0.89}$LaCe$_{0.11}$CuO$_{4}$ ($T_c\simeq26$ K), studied by muon spin rotation (\msr) over a field range from...

Field-Induced Quasiparticle Excitation in Ca(Al$_{0.5}$Si$_{0.5}$)$_2$: Evidence for unconventional Superconductivity (2004)

Kuroiwa, S., Takagiwa, H, Yamazawa, M., Akimitsu, J., Ohishi, K., Koda, A., ...

The temperature ($T$) and magnetic field ($H$) dependence of the magnetic penetration depth, $\lambda(T,H)$, in Ca(Al$_{0.5}$Si$_{0.5}$)$_2$ exhibits significant deviation from that expected for...

Possible Anisotropic Order Parameter in Pyrochlore Superconductor KOs$_2$O$_6$ Probed by Muon Spin Rotation (2004)

Koda, A., Higemoto, W., Ohishi, K., Saha, S. R., Kadono, R., Yonezawa, S., ...

Magnetic penetration depth ($\lambda$) in a pyrochlore superconductor KOs$_2$O$_6$ was studied by means of muon spin rotation (\msr). The temperature dependence of transverse spin relaxation rate,...

Expansion of Vortex Cores by Strong Electronic Correlation in La$_{2-x}$Sr$_x$CuO$_4$ at Low Magnetic Induction (2004)

Kadono, R., Higemoto, W., Koda, A., Larkin, M. I., Luke, G. M., Savici, A. T., ...

The vortex core radius \rv, defined as the peak position of the supercurrent around the vortex, has been determined by muon spin rotation measurements in the mixed state of \lscox for $x=0.13$, 0.15,...

Time-Reversal Symmetry-Breaking Superconductivity in Heavy Fermion PrOs4Sb12 detected by Muon Spin Relaxation (2003)

Aoki, Y., Tsuchiya, A., Kanayama, T., Saha, S. R., Sugawara, H., Sato, H., ...

We report on muon spin relaxation measurements of the 4f^2-based heavy-fermion superconductor filled-skutterudite PrOs4Sb12. The results reveal the spontaneous appearance of static internal magnetic...

Evidence for the Coexistence of Superconductivity and the Magnetic A-Phase in CeCu2Si2 proved by Muon Knight Shift (2002)

Koda,A., Higemoto,W., Kadono,R., Kawasaki,Y., Ishida,K., Kitaoka,Y., ...

Muon spin rotation measurements under high transverse fields (HTF-ASR) have been performed on polycrystalline samples of Ce0.99Cu2.02Si2. The muon hyperfine coupling constant was determined to be...

Nonlocal Effects and Shrinkage of the Vortex Core Radius in YNi2B2C Probed by muSR (2002)

Ohishi, K., Kakuta, K., Akimitsu, J., Higemoto, W., Kadono, R., Sonier, J. E., ...

The magnetic field distribution in the vortex state of YNi2B2C has been probed by muon spin rotation (muSR). The analysis based on the London model with nonlocal corrections shows that the vortex...

Evidence for the Coexistence of Superconductivity and the Magnetic A-Phase in CeCu2Si2 proved by Muon Knight Shift (2002)

Koda, A., Higemoto, W., Kadono, R., Kawasaki, Y., Ishida, K., Kitaoka, Y., ...

Muon spin rotation measurements under high transverse fields (HTF-ASR) have been performed on polycrystalline samples of Ce0.99Cu2.02Si2. The muon hyperfine coupling constant was determined to be...

Quasiparticle Excitation in the Superconducting Pyrochlore Cd2Re2O7 Probed by Muon Spin Rotation (2001)

Kadono, R., Higemoto, W., Koda, A., Kawasaki, Y., Hanawa, M., Hiroi, Z.

The quasiparticle excitations in the mixed state of Cd2Re2O7 have been studied by means of muon spin rotation/relaxation. The temperature dependence of the magnetic penetration depth (lambda) is...

EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH CERN--PPE/94-213 7 December 1994 (1995)

E. Widmann, I. Sugai, T. Yamazaki, R. S. Hayano, M. Iwasaki, H. Tamura, ...

Systematic studies of the phase and density dependence of the delayed annihilation time spectra of antiprotons (DATS) in gaseous, liquid and solid helium have been performed using the Low Energy...