T. Shimojima

Evidence for Pseudogap Evolutions in High-Tc Iron Oxypnictides (2008)

Ishida, Y., Shimojima, T., Ishizaka, K., Kiss, T., Okawa, M., Togashi, T., ...

We have performed a temperature-dependent angle-integrated laser photoemission study of iron oxypnictide superconductors LaOFeAs:F and LaOFeP:F exhibiting critical transition temperatures (Tc's) of...

Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C (2007)

Baba, T., Yokoya, T., Tsuda, S., Kiss, T., Shimojima, T., Ishizaka, K., ...

We have performed temperature (T) - dependent laser-photoemission spectroscopy of antiferromagnetic (AF) superconductor ErNi2B2C to study the electronic-structure evolution reflecting the interplay...

Doping-dependence of nodal quasiparticle properties in high-$T_{\rm c}$ cuprates studied by laser-excited angle-resolved photoemission spectroscopy (2007)

Ishizaka, K., Kiss, T., Izumi, S., Okawa, M., Shimojima, T., Chainani, A., ...

We investigate the doping dependent low energy, low temperature ($T$ = 5 K) properties of nodal quasiparticles in the d-wave superconductor Bi$_{2.1}$Sr$_{1.9}$CaCu$_2$O$_{8+\delta}$ (Bi2212). By...

Observation of a superconducting gap in boron-doped diamond by laser-excited photoemission spectroscopy (2007)

Ishizaka, K., Eguchi, R., Tsuda, S., Yokota, T., Chainani, A., Kiss, T., ...

We investigate the temperature (T)-dependent low-energy electronic structure of a boron-doped diamond thin film using ultrahigh resolution laser-excited photoemission spectroscopy. We observe a clear...

Angle-resolved photoemission study of cobalt oxide superconductor NaxCoO2.yH2O : Observation of the Fermi surface (2006)

Shimojima, T., Ishizaka, K., Tsuda, S., Kiss, T., Yokoya, T., Chainani, A., ...

Cobalt oxide superconductor NaxCoO2.yH2O is studied by angle-resolved photoemission spectroscopy (ARPES). We report the Fermi surface (FS) topology and electronic structure near the Fermi level (EF)...

Observation of superconducting gap in boron-doped diamond by laser-excited photoemission spectroscopy (2006)

Ishizaka, K., Eguchi, R., Tsuda, S., Yokoya, T., Kiss, T., Shimojima, T., ...

We have investigated the low energy electronic state of a boron-doped diamond thin film by the ultrahigh resolution laser-excited photoemission spectroscopy. We observed a clear shift of the leading...

Bulk and surface-sensitive high-resolution photoemission study of Mott-Hubbard systems SrVO$_3$ and CaVO$_3$ (2005)

Eguchi, R., Kiss, T., Tsuda, S., Shimojima, T., Mizokami, T., Yokoya, T., ...

We study the electronic structure of Mott-Hubbard systems SrVO$_{3}$ and CaVO$_3$ with bulk and surface-sensitive high-resolution photoemission spectroscopy (PES), using a VUV laser, synchrotron...

Carbon-substitution dependent multiple superconducting gap of MgB2: A sub-meV resolution photoemission study (2005)

Tsuda, S, Yokoya, T, Kiss, T, Shimojima, T, Shin, S, Togashi, T, ...

"Sub-meV" resolution photoemission spectroscopy was used to study carbon-substitution dependence of the multiple superconducting gap of Mg(B1-xCx)(2). Two features corresponding to sigma and pi gaps...

Carbon-substitution dependent multiple superconducting gap of MgB$_{2}$: a "sub-meV" resolution photoemission study (2004)

Tsuda, S., Yokoya, T., Kiss, T., Shimojima, T., Shin, S., Togashi, T., ...

``Sub-meV'' resolution photoemission spectroscopy was used to study carbon-substitution dependence on the multiple superconducting gap of Mg(B$_{1 - x}$C$_{x})_{2}$. Two features corresponding to...

Laser-excited ultrahigh-resolution photoemission spectroscopy of NaxCoO2.yH2O:Evidence for pseudogap formation (2004)

Shimojima, T., Yokoya, T., Kiss, T., Chainani, A., Shin, S., Togashi, T., ...

We have studied the temperature-dependent electronic structure near the Fermi level (EF) of the layered cobaltate superconductor, Na0.35CoO2.1.3H2O, and related materials, using laser-excited...

Bulk Electronic structure of Na$_{0.35}$CoO$_{2}$.1.3H$_{2}$O (2003)

Chainani, A., Yokoya, T., Takata, Y., Tamasaku, K., Taguchi, M., Shimojima, T., ...

High-energy (h$\nu$ = 5.95 keV) synchrotron Photoemission spectroscopy (PES) is used to study bulk electronic structure of Na$_{0.35}$CoO$_{2}$.1.3H$_{2}$O, the layered superconductor. In contrast to...