D. Kikuchi

123Sb-NQR study of unconventional superconductivity in the filled skutterudite heavy-fermion compound PrOs4Sb12 under high pressure up to P = 3.82 GPa (2008)

Kawasaki, S., Katayama, K., Sugawara, H., Kikuchi, D., Sato, H.

We report $^{123}$Sb nuclear quadrupole resonance (NQR) measurements of the filled skutterudite heavy-fermion superconductor PrOs$_4$Sb$_{12}$ under high pressure. The temperature dependence of NQR...

Gap opening with ordering in PrFe4P12 studied by local tunneling spectroscopy (2008)

Suderow, H., Behnia, K., Guillamon, I., Crespo, V., Vieira, S., Kikuchi, D., ...

We present measurements of the local tunneling density of states in the low temperature ordered state of PrFe4P12. The temperature dependencies of the Fermi level density of states and of the...

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...

Muon spin relaxation and hyperfine-enhanced 141Pr nuclear spin dynamics (2007)

Shu, L, MacLaughlin, DE, Aoki, Y, Tunashima, Y, Yonezawa, Y, Sanada, S, ...

Multiband Superconductivity in Filled-Skutterudite Compounds (Pr_{1-x}La_{x})Os_{4}Sb_{12}: An Sb Nuclear-Quadruple-Resonance (NQR) Study (2006)

Yogi, M., Nagai, T., Imamura, Y., Mukuda, H., Kitaoka, Y., Kikuchi, D., ...

We report on Sb nuclear-quadrupole-resonance (NQR) study in filled-skutterudite compounds (Pr_1-xLa_x)Os_4Sb_12. The Sb-NQR spectra have split into two sets, arising from different Sb_12 cages...

Drastic change in transport of entropy with quadrupolar ordering in PrFe$_{4}$P$_{12}$ (2005)

Pourret, A., Behnia, K., Kikuchi, D., Aoki, Y., Sugawara, H., Sato, H.

The antiferroquadrupolar ordering of PrFe$_{4}$P$_{12}$ is explored by probing thermal and thermoelectric transport. The lattice thermal conductivity drastically increases with the ordering, as a...

Evidence for s-wave superconductivity with antiferromagnetic fluctuations in filled skutterudite LaFe$_{4}$P$_{12}$: $^{139}$La and $^{31}$P-NMR studies (2005)

Nakai, Y., Ishida, K., Kikuchi, D., Sugawara, H., Sato, H.

We have performed $^{139}$La,$^{31}$P-NMR studies on a filled skutterudite superconductor LaFe$_{4}$P$_{12}$ with a critical temperature $T_c=4.1$ K. In the normal state, the presence of...

Evolution of superconducting order in Pr(Os$_{1-x}$Ru$_{x}$)$_{4}$Sb$_{12}$ (2004)

Chia, Elbert E. M., Salamon, M. B., Vandervelde, D., Kikuchi, D., Sugawara, H., Sato, H.

We report measurements of the magnetic penetration depth $\lambda$ in single crystals of Pr(Os$_{1-x}$Ru$_{x}$)$_{4}$Sb$_{12}$ down to 0.1 K. Both $\lambda$ and superfluid density $\rho_{s}$ exhibit...