Electronic crossover suggested by Raman scattering in overdoped (Y,Ca)Ba2Cu3Oy (2009)
Masui, T., Hiramachi, T., Nagasao, K., Tajima, S.
The electronic Raman scattering in overdoped (Y,Ca)Ba2Cu3Oy was investigated with changing hole concentration in the superconducting state. It was found that the superconducting responses such as the...
Okawa, M., Ishizaka, K., Uchiyama, H., Tadatomo, H., Masui, T., Tajima, S., ...
Low energy electronic structure of optimally doped YBa2Cu3O7-d is investigated using laser-excited angle-resolved photoemission spectroscopy. The surface state and the CuO chain band that usually...
An Isotopic Fingerprint of Electron-Phonon Coupling in High-Tc Cuprates (2008)
Iwasawa, H., Douglas, J. F., Sato, K., Masui, T., Yoshida, Y., Sun, Z., ...
Angle-resolved photoemission spectroscopy with low-energy tunable photons along the nodal direction of oxygen isotope substituted Bi2Sr2CaCu2O8+delta reveals a distinct oxygen isotope shift near the...
Rapid change of electronic anisotropy in overdoped (Y,Ca)Ba2Cu3O7-d (2008)
Nagasao, K., Masui, T., Tajima, S.
Electronic anisotropy was studied for overdoped (Y,Ca)Ba2Cu3O7-d with various doping levels (p). It was found that the pseudogap-like behavior in the resistivity disappear when p exceeds 0.17,...
Sectoral Emission Mitigation Potentials: Comparing Bottum-Up and Top-Down Approaches (2008)
Hoogwijk, M., Boeters, S., Blok, K., Blomen, E., Barker, T., ...
Local-moment fluctuations in the optimally doped high-Tc superconductor YBa2Cu3O6.95 (2008)
Reznik, D., Ismer, J. P., Eremin, I., Pintschovius, L., Wolf, T., Arai, M., ...
Sectoral emission reduction potentials: comparing bottom-up and top-down approaches (2008)
Hoogwijk, Monique Maria, Vuuren, D.P. Van, Boeters, S., Blok, K., Blomen, E., Barker, T., ...
An important question for climate policy making is how much GHG emissions and energy can be saved, in which sectors and at what costs? Traditionally, studies looking at this question are often...
Temperature dependence of the bond-stretching phonon anomaly in YBa§2Cu§3O§6§.§9§5. (2008)
Reznik, D., Pintschovius, L., Tranquada, J. M., Arai, M., Endoh, Y., Masui, T., ...
Physical Review B, 78(2008) S.094507/1-7
Baron, A.Q.R., Sutter, J.P., Tsutsui, S., Uchiyama, H., Masui, T., Tajima, S., ...
Journal of Physics and Chemistry of Solids, 69(2008) S.3100-02
Superconducting gap of overdoped Tl2Ba2CuO6+d observed by Raman scattering (2007)
Nishikawa, K., Masui, T., Tajima, S., Eisaki, H., Kito, H., Iyo, A.
We report Raman scattering spectra for single crystals of overdoped Tl2Ba2CuO6+d (Tl-2201) at low temperatures. It was observed that the pair-breaking peaks in A1g and B1g spectra radically shift to...
Ishii, K., Hoesch, M., Inami, T., Kuzushita, K., Ohwada, K., Tsubota, M., ...
We report a Cu K-edge resonant inelastic x-ray scattering (RIXS) study of high-Tc cuprates. Momentum-resolved charge excitations in the CuO2 plane are examined from parent Mott insulators to...
Universal observation of multiple order parameters in cuprate superconductors (2007)
Khasanov, R., Strässle, S., Di Castro, D., Masui, T., Miyasaka, S., Tajima, S., ...
The temperature dependence of the London penetration depth \lambda was measured for an untwined single crystal of YBa_2Cu_3O_{7-\delta} along the three principal crystallographic directions (a, b,...
Oxygen Phonon Branches in Detwinned YBa2Cu3O7 (2007)
Reznik, D., Pintschovius, L., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J. M., ...
We report results of inelastic neutron scattering measurements of phonon dispersions on a detwinned sample of YBaCu3O7 and compare them with model calculations. Plane oxygen bond stretching phonon...
Popovich, P., Meingast, C., Tajima, S., Masui, T.
71.Jahrestagung der Deutschen Physikalischen Gesellschaft und DPG Frühjahrstagung des Arbeitskreises Festkörperphysik, Fachverband Tiefe Temperaturen, Regensburg, 26.-30.März 2007
Quasi-1D character of the bond-stretching phonon anomaly in YBa§2Cu§3O§7. (2007)
Reznik, D., Pintschovius, L., Tranquada, J.M., Arai, M., Tajima, S., Masui, T.
Workshop on Neutron Scattering in Strongly Correlated Electron Systems (SCES), München, October 25-27, 2007
Local moment fluctuations in an optimally-doped high Tc superconductor (2006)
Reznik, D., Eremin, I., Pintschovius, L., Arai, M., Endoh, Y., ...
We present results of neutron scattering experiments on YBa2Cu3O6.95 (Tc=93K). Our results indicate that magnetic collective modes due to correlated local moments are present both above and below Tc...
Spin Gap in Optimally-doped YBCO (2006)
Reznik, D., Pintschovius, L., Endoh, Y., Bourges, P., Sidis, Y., Masui, T., ...
Spin gap in optimally-doped YBCO was investigated by inelastic neutron scattering. We found that q-integrated spectral weight in the vicinity of the spin gap has a shape of a step function at 10K...
Interplay of electron-lattice interactions and superconductivity in Bi2Sr2CaCu2O8+d (2006)
Lee, Jinho, Fujita, K., McElroy, K., Slezak, J. A., Wang, M., Aiura, Y., ...
Formation of electron pairs is essential to superconductivity. For conventional superconductors, tunnelling spectroscopy has established that pairing is mediated by bosonic modes (phonons); a peak in...
Methodology for developing the Millennium Ecosystem Assessment scenarios (2006)
Alcamo, J., Rosegrant, M., Alder, J., Bennett, E., Lodge, D., ...
Meingast, C., Popovich, P., Masui, T., Tajima, S.
8th Internat.Conf.on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-HTSC-VIII), Dresden, July 9-14, 2006
Spin gap in optimally-doped YBCO. (2006)
Reznik, D., Pintschovius, L., Endoh, Y., Bourges, P., Sidis, Y., Masui, T., ...
Journal of Physics and Chemistry of Solids, 67(2006) S.509-10
On the Origin of the Double Superconducting Transition in Overdoped YBa2Cu3Ox (2005)
Lortz, R., Tomita, T., Wang, Y., Junod, A., Schilling, J. S., Masui, T., ...
The superconducting transition in a single overdoped, detwinned YBa2Cu3Ox (YBCO) crystal is studied using four different probes. Whereas the AC and DC magnetic susceptibilities find a dominant...
Reversible and irreversible magnetostrictive effects in untwinned YBa§2Cu§3O§7 crystals. (2005)
Popovich, P., Lortz, R., Meingast, C., Tajima, S., Masui, T.
Physik seit Albert Einstein : 69.Jahrestagung der DPG, Berlin, 4.-9.März 2005
Lortz, R., Junod, A., Jaccard, D., Wang, Y., Meingast, C., Masui, T., ...
Journal of Physics: Condensed Matter, 17(2005) S.4135-45
Savici, A. T., Fukaya, A., Gat-Malureanu, I. M., Ito, T., Russo, P. L., Uemura, Y. J., ...
Muon spin relaxation ($\mu$SR) measurements in high transverse magnetic fields ($\parallel \hat c$) revealed strong field-induced quasi-static magnetism in the underdoped and Eu doped...
Mott gap excitations in twin-free YBa2Cu3O7-d (Tc = 93 K) studied by RIXS (2004)
Ishii, K., Tsutsui, K., Endoh, Y., Tohyama, T., Kuzushita, K., Inami, T., ...
Mott gap excitations in the high-Tc superconductor of the optimal doped YBa2Cu3O7-d (Tc = 93 K) have been studied by the resonant inelastic x-ray scattering method. Anisotropic spectra in the...
Pintschovius, L., Endoh, Y., Reznik, D., Hiraka, H., Tranquada, J.M., Reichardt, W., ...
Proc.of the 16th Internat.Symp.on Superconductivity (ISS 2003), Tokyo, J, October 27-29, 2003 Part 1
Oxygen phonon branches in YBa§2Cu§3O§7. (2004)
Pintschovius, L., Reznik, D., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J.M., ...
Physical Review B, 69(2004) S.214506/1-11
Reversible magnetostriction of YBa§2Cu§3O§7. (2004)
Popovich, P., Lortz, R., Meingast, C., Tajima, S., Masui, T.
5th SCENET School on Superconducting Materials and Applications, Salamanca, E, August 30 - September 10, 2004 (Poster)
Dispersion of magnetic excitations in optimally doped superconducting YBa§2Cu§3O§6§.§9§5. (2004)
Reznik, D., Bourges, P., Pintschovius, L., Endoh, Y., Sidis, Y., Masui, T., ...
Physical Review Letters, 93(2004) S.207003/1-4
Spin gap in optimally-doped YBCO. (2004)
Reznik, D., Pintschovius, L., Endoh, Y., Bourges, P., Sidis, Y., Masui, T., ...
7th Internat.Conf.on Spectroscopies in Novel Superconductors (SNS 2004), Sitges, E, July 11-16, 2004
Carbon-substitution effect on the electronic properties of MgB$_2$ single crystals (2003)
Masui, T., Lee, S., Tajima, S.
The electronic properties of the carbon substituted MgB$_2$ single crystals are reported. The carbon substitution drops T$_c$ below 2 K. In-plane resistivity shows a remarkable increase in residual...
Enhancement of the irreversibility field by carbon substitution in single crystal MgB$_2$ (2003)
Ohmichi, E., Masui, T., Lee, S., Tajima, S., Osada, T.
We report the detailed study of the irreversibility field {\hirr} of single crystals of Mg(B$_{1-x}$C$_{x}$)$_2$ ($x$=0, 2, 3.5, 5 and 7%) in strong magnetic fields of up to 40 T. High sensitive...
Oxygen Phonon Branches in YBa2Cu3O7 (2003)
Pintschovius, L., Reznik, D., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J. M., ...
We report results of inelastic neutron scattering measurements of phonon dispersions in optimally doped YBa2Cu3O6.95 and compare them with model calculations. The focus is on the in-plane oxygen...
Evidence for Dynamic Charge Stripes in the Phonons of Optimally Doped YBCO (2003)
Pintschovius, L., Endoh, Y., Reznik, D., Hiraka, H., Tranquada, J. M., Reichardt, W., ...
Inelastic neutron scattering investigations on optimally doped YBCO revealed a very pronounced temperature dependence in the Cu-O in-plane bond-stretching vibrations along the (010) direction: a...
Raman study of carrier-overdoping effects on the gap in high-Tc superconducting cuprates (2003)
Masui, T., Limonov, M., Uchiyama, H., Lee, S., Tajima, S., Yamanaka, A.
Raman scattering in the heavily overdoped (Y,Ca)Ba_2Cu_3O_{7-d} (T_c = 65 K) and Bi_2Sr_2CaCu_2O_{8+d} (T_c = 55 K) crystals has been investigated. For the both crystals, the electronic pair-breaking...
Oxygen phonon branches in detwinned YBa§2Cu§3O§7. (2003)
Reznik, D., Pintschovius, L., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J.M., ...
Proc.of the Internat.Conf.on Physics and Chemistry of Molecular and Oxide Superconductors (MOS 2002), Hsinchu, Taiwan, August 13-18, 2002
Lortz, R., Meingast, C., Rykov, A.I., Masui, T., Tajima, S.
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Fachverband Tiefe Temperaturen (TT), Dresden, 24.-28. März 2003
Bond-stretching oxygen phonons in strongly correlated perovskite oxides. (2003)
Reznik, D., Pintschovius, L., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J.M., ...
Self Organized Strongly Correlated Electronic Systems, Santorini, GR, August 26-31, 2003
Origin of superconductivity transition broadening in MgB2 (2002)
Masui, T., Lee, S., Tajima, S.
We report resistivity and magnetization of single crystal MgB2, focusing on the broadening of superconducting (SC) transition in magnetic fields. In-plane and out-of-plane resistivity indicate that...
Oxygen Phonon Branches in Detwinned YBa2Cu3O7 (2002)
Reznik, D., Pintschovius, L., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J. M., ...
We report results of inelastic neutron scattering measurements of phonon dispersions on a detwinned sample of YBaCu3O7 and compare them with model calculations. Plane oxygen bond stretching phonon...
High-pressure synthesis of superconducting Nb{1-x}B2 (x = 0-0.48) with the maximum Tc = 9.2 K (2002)
Yamamoto, A., Takao, C., Masui, T., Izumi, M., Tajima, S.
Superconductivity with Tc above 9 K was found in metal-deficient NbB2 prepared under 5 GPa, while no clear superconductivity was observed down to 3 K in stoichiometric NbB2. The superconductivity was...
Lee, S., Masui, T., Mori, H., Eltsev, Yu., Yamamoto, A., Tajima, S.
We discuss the important aspects of synthesis and crystal growth of MgB2 under high pressure (P) and temperature (T) in Mg-B-N system, including the optimisation of P-T conditions for reproducible...
Anisotropic resistivity and Hall effect in MgB2 single crystals (2002)
Eltsev, Yu., Nakao, K., Lee, S., Masui, T., Chikumoto, N., Tajima, S., ...
We report resistivity and the Hall effect measurements in the normal and superconducting states of MgB2 single crystal. The resistivity has been found to be anisotropic with slightly temperature...
Growth, structure analysis and anisotropic superconducting properties of MgB2 single crystals (2001)
Lee, S., Mori, H., Masui, T., Eltsev, Yu., Yamamoto, A., Tajima, S.
Here we report the growth of sub-millimeter MgB2 single crystals of various shapes under high pressure in Mg-B-N system. Structure refinement using a single-crystal X-ray diffraction analysis gives...
Imai, T, Masui, T, Ichinose, M, Nakanishi, H, Yanai, T, Masegi, T, ...
日本附近における上層低気圧と地表低気圧との関係 (1956)
A high-level cyclone is formed from a pre-existing upper trough by cutting-off process, as examined by E. Palmen. The principal source region of the high-level cyclones which have any effect on the...
Masui, T, Wakefield, L M, Lechner, J F, LaVeck, M A, Sporn, M B, Harris, C C
Type beta transforming growth factor (TGF-beta) was shown to be the serum factor responsible for inducing normal human bronchial epithelial (NHBE) cells to undergo squamous differentiation. NHBE...
DNA adducts in target and nontarget tissues of 3,2'-dimethyl-4-aminobiphenyl in rats.
Shirai, T, Tada, M, Kojima, M, Hasegawa, R, Masui, T, Ito, N
3,2'-Dimethyl-4-aminobiphenyl (DMAB) is a potent carcinogenic aromatic amine which demonstrates multiorgan tropism in rats. Using polyclonal antibodies against DMAB-DNA adducts, an...
Pfeifer, A M, Lechner, J F, Masui, T, Reddel, R R, Mark, G E, Harris, C C
The majority of human lung cancers arise from bronchial epithelial cells. The normal pseudostratified bronchial epithelium is composed of basal, mucous, and ciliated cells. This multi-differentiated...
Masui, T, Wakefield, L M, Lechner, J F, LaVeck, M A, Sporn, M B, Harris, C C
Type beta transforming growth factor (TGF-beta) was shown to be the serum factor responsible for inducing normal human bronchial epithelial (NHBE) cells to undergo squamous differentiation. NHBE...
DNA adducts in target and nontarget tissues of 3,2'-dimethyl-4-aminobiphenyl in rats.
Shirai, T, Tada, M, Kojima, M, Hasegawa, R, Masui, T, Ito, N
3,2'-Dimethyl-4-aminobiphenyl (DMAB) is a potent carcinogenic aromatic amine which demonstrates multiorgan tropism in rats. Using polyclonal antibodies against DMAB-DNA adducts, an...
Pfeifer, A M, Lechner, J F, Masui, T, Reddel, R R, Mark, G E, Harris, C C
The majority of human lung cancers arise from bronchial epithelial cells. The normal pseudostratified bronchial epithelium is composed of basal, mucous, and ciliated cells. This multi-differentiated...