Kittaka, S., Yonezawa, S., Yaguchi, H., Maeno, Y., Fittipaldi, R., Vecchione, A., ...
Although Sr3Ru2O7 has not been reported to exhibit superconductivity so far, ac susceptibility measurements revealed multiple superconducting transitions occurring in the Sr3Ru2O7 region cut from...
Hiroi, Z., Yonezawa, S., Nagao, Y., Yamaura, J.
Superconducting and normal-state properties of the beta-pyrochlore oxide KOs2O6 are studied by means of thermodynamic and transport measurements. It is shown that the superconductivity is of...
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...
NMR Observation of Rattling Phonons in the Pyrochlore Superconductor KOs2O6 (2006)
Yoshida, M., Arai, K., Kaido, R., Takigawa, M., Yonezawa, S., Muraoka, Y., ...
We report nuclear magnetic resonance studies on the beta-pyrochlore oxide superconductor KOs2O6. The nuclear relaxation at the K sites is entirely caused by fluctuations of electric field gradient,...
Kittaka, S., Fusanobori, S., Yonezawa, S., Yaguchi, H., Maeno, Y., Fittipaldi, R., ...
We report superconducting properties of Sr3Ru2O7-Sr2RuO4 eutectic crystals, consisting of the spin-triplet superconductor Sr2RuO4 with a monolayer stacking of RuO2 planes and the metamagnetic normal...
A second phase transition and superconductivity in the beta-pyrochlore oxide KOs2O6 (2006)
Hiroi, Z, Yonezawa, S, Yamaura, J
Another phase transition that is probably of first order is found in the beta-pyrochlore oxide superconductor KOs2O6 with a superconducting transition temperature Tc of 9.6 K. It takes place at...
Mann, P. D. A., Sutherland, M., Bergemann, C., Yonezawa, S., Maeno, Y.
We measured the Fermi surface of the recently discovered superconductor Ag5Pb2O6 via a de Haas-van Alphen rotation study. Two frequency branches were observed and identified with the neck and belly...
Uncommonly High Upper Critical Field in the Superconducting KOs$_2$O$_6$ Pyrochlore (2006)
Shibauchi, T., Krusin-Elbaum, L., Kasahara, Y., Shimono, Y., Matsuda, Y., McDonald, R. D., ...
The entire temperature dependence of the upper critical field $H_{\rm c2}$ in the $\beta$-pyrochlore KOs$_2$O$_6$ is obtained from high-field resistivity and magnetic measurements. Both techniques...
Kasahara, Y., Shimono, Y., Shibauchi, T., Matsuda, Y., Yonezawa, S., Muraoka, Y., ...
To elucidate the nature of the superconducting ground state of the geometrically frustrated pyrochlore KOs2O6 (Tc=9.6K), the thermal conductivity was measured down to low temperatures (~Tc/100). We...
High pressure effects on the superconductivity of beta-pyrochlore oxides AOs2O6 (2005)
Muramatsu, T., Takeshita, N., Terakura, C., Takagi, H., Tokura, Y., Yonezawa, S., ...
High pressure effects on the superconducting transitions of beta-pyrochlore superconductors AOs2O6 (A = Cs, Rb, K) are studied by measuring resistivity under high pressures up to 10 GPa. The...
39K and 87Rb Nuclear Magnetic Resonance in the Pyrochlore Superconductors AOs2O6 (A=K, Rb) (2004)
Arai, K., Kikuchi, J., Kodama, K., Takigawa, M., Yonezawa, S., Muraoka, Y., ...
This paper has been withdrawn by the authors, since a crucial assumption in the analysis of the data was found to be incorrect from the later experiments.
New Pyrochlore Oxide Superconductor RbOs2O6 (2004)
Yonezawa, S., Muraoka, Y., Matsushita, Y., Hiroi, Z.
We report the discovery of a new pyrochlore oxide superconductor RbOs2O6. The compound crystallizes in the same beta-pyrochlore structure as the recently discovered superconductor KOs2O6, where Os...
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,...
Unprecedented Superconductivity in the beta-Pyrochlore Osmate KOs2O6 (2004)
Hiroi, Z., Yonezawa, S., Muraoka, Y.
Superconductivity in the potassium osmium oxide KOs2O6 crystallizing in the beta-pyrochlore structure is studied by means of electrical resistivity, magnetic susceptibility and specific heat. It is...
R plasmid with carbadox resistance from Escherichia coli of porcine origin.
Ohmae, K, Yonezawa, S, Terakado, N
Escherichia coli isolates of porcine fecal origin from a farm where the antibacterial agent carbadox was used were examined for resistance to carbadox (Cdxr). Of 72 strains examined, 24 showed...
Differential mucin gene expression in human pancreatic and colon cancer cells.
Yonezawa, S, Byrd, J C, Dahiya, R, Ho, J J, Gum, J R, Griffiths, B, ...
The purpose of this study was to determine the quantity and nature of the mucins synthesized and secreted by four different pancreatic cancer cell lines. Well- to moderately-differentiated SW1990 and...
R plasmid with carbadox resistance from Escherichia coli of porcine origin.
Ohmae, K, Yonezawa, S, Terakado, N
Escherichia coli isolates of porcine fecal origin from a farm where the antibacterial agent carbadox was used were examined for resistance to carbadox (Cdxr). Of 72 strains examined, 24 showed...
Differential mucin gene expression in human pancreatic and colon cancer cells.
Yonezawa, S, Byrd, J C, Dahiya, R, Ho, J J, Gum, J R, Griffiths, B, ...
The purpose of this study was to determine the quantity and nature of the mucins synthesized and secreted by four different pancreatic cancer cell lines. Well- to moderately-differentiated SW1990 and...
Hamada, T, Matsukita, S, Goto, M, Kitajima, S, Batra, S K, Irimura, T, ...
Background: Pleomorphic adenoma of the salivary gland (PA) is essentially a benign neoplasm. However, patients with recurrent PA are difficult to manage. There are rare reports on useful...