M. Kobayashi

Publication List Details

Period

1951 - 9999

Number

397

Co-Authors

Change in Undrained Shear Strength of Saturated Clay Due to Rebound (9999)

Nakase,A., Kobayashi,M.

In order to examine the possibility of applying phi = 0 analysis of stability to the long term type problem, a series of triaxial compression tests is carried out on normally- and over-consolidated...

Electronic structure of Ga$_{1-x}$Cr$_{x}$N and Si-doping effects studied by photoemission and X-ray absorption spectroscopy (2008)

Song, G. S., Kobayashi, M., Hwang, J. I., Kataoka, T., Takizawa, M., Fujimori, A., ...

The electronic structure of the magnetic semiconductor Ga$_{1-x}$Cr$_{x}$N and the effect of Si doping on it have been investigated by photoemission and soft x-ray absorption spectroscopy. We have...

Performance of MPGD-based TPC prototypes for the linear collider experiment (2008)

Kobayashi, M., Araki, T., Arogancia, D.C., Bacala, A.M., Boudjemline, K., Burke, D., ...

We conducted a series of beam tests of prototype TPCs for the International Linear Collider (ILC) experiment, equipped with an MWPC, a MicroMEGAS, or GEMs as a readout device. The prototype operated...

Performance of MPGD-based TPC prototypes for the linear collider experiment (2008)

Kobayashi, M., Araki, T., Arogancia, D.C., Bacala, A.M., Boudjemline, K., Burke, D., ...

We conducted a series of beam tests of prototype TPCs for the International Linear Collider (ILC) experiment, equipped with an MWPC, a MicroMEGAS, or GEMs as a readout device. The prototype operated...

Performance of MPGD-based TPC prototypes for the linear collider experiment (2008)

Kobayashi, M., Araki, T., Arogancia, D.C., Bacala, A.M., Boudjemline, K., Burke, D., ...

We conducted a series of beam tests of prototype TPCs for the International Linear Collider (ILC) experiment, equipped with an MWPC, a MicroMEGAS, or GEMs as a readout device. The prototype operated...

Compton Imaging of MeV Gamma-Rays with the Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT) (2008)

Aprile, E., Curioni, A., Giboni, K. L., Kobayashi, M., Oberlack, U. G., Zhang, S.

The Liquid Xenon Gamma-Ray Imaging Telescope (LXeGRIT) is the first realization of a liquid xenon time projection chamber for Compton imaging of MeV gamma-ray sources in astrophysics. By measuring...

Local electronic structure of Cr in the II-VI diluted ferromagnetic semiconductor Zn$_{1-x}$Cr$_x$Te (2008)

Kobayashi, M., Ishida, Y., Hwang, J. I., Song, G. S., Fujimori, A., ...

The electronic structure of the Cr ions in the diluted ferromagnetic semiconductor Zn$_{1-x}$Cr$_x$Te ($x=0.03$ and 0.15) thin films has been investigated using x-ray magnetic circular dichroism...

Vandermonde Frequency Division Multiplexing for Cognitive Radio (2008)

Cardoso, L. S., Kobayashi, M., Debbah, M., Ryan, O.

We consider a cognitive radio scenario where a primary and a secondary user wish to communicate with their corresponding receivers simultaneously over frequency selective channels. Under realistic...

Hybridization between the conduction band and 3d orbitals in the oxide-based diluted magnetic semiconductor In$_{2-x}$V$_x$O$_3$ (2008)

Kobayashi, M., Ishida, Y., Hwang, J. I., Song, G. S., Takizawa, M., Fujimori, A., ...

The electronic structure of In$_{2-x}$V$_x$O$_3$ ($x=0.08$) has been investigated using photoemission spectroscopy (PES) and x-ray absorption spectroscopy (XAS). The V $2p$ core-level PES and XAS...

Nature of magnetic coupling between Mn ions in as-grown Ga$_{1-x}$Mn$_{x}$As studied by x-ray magnetic circular dichroism (2008)

Takeda, Y., Kobayashi, M., Okane, T., Ohkochi, T., Okamoto, J., Saitoh, Y., ...

The magnetic properties of as-grown Ga$_{1-x}$Mn$_{x}$As have been investigated by the systematic measurements of temperature and magnetic field dependent soft x-ray magnetic circular dichroism...

Terbium-activated heavy scintillating glasses (2008)

Fu, J., Kobayashi, M., Parker, J.M.

Tb-activated scintillating glasses with high Ln2O3 (Ln=Gd, Y, Lu) concentration up to 40mol% have been prepared. The effects of Ln3+ ions on the density, thermal properties, transmission and...

Terbium-activated heavy scintillating glasses (2008)

Fu, J., Kobayashi, M., Parker, J.M.

Tb-activated scintillating glasses with high Ln2O3 (Ln=Gd, Y, Lu) concentration up to 40mol% have been prepared. The effects of Ln3+ ions on the density, thermal properties, transmission and...

Systematic changes of the electronic structure of the diluted ferromagnetic oxide Li-doped Ni$_{1-x}$Fe$_x$O with hole doping (2007)

Kobayashi, M., Hwang, J. I., Song, G. S., Ooki, Y., Takizawa, M., Fujimori, A., ...

The electronic structure of Li-doped Ni$_{1-x}$Fe$_x$O has been investigated using photoemission spectroscopy (PES) and x-ray absorption spectroscopy (XAS). The Ni $2p$ core-level PES and XAS spectra...

Depth profile photoemission study of thermally diffused Mn/GaAs (001) interfaces (2007)

Osafune, Y., Song, G. S., Hwang, J. I., Ishida, Y., Kobayashi, M., Ebata, K., ...

We have performed a depth profile study of thermally diffused Mn/GaAs (001) interfaces using photoemission spectroscopy combined with Ar$^+$-ion sputtering. We found that Mn ion was thermally...

Photoemission and x-ray absorption studies of valence states in (Ni,Zn,Fe,Ti)$_{3}$O$_{4}$ thin films exhibiting photo-induced magnetization (2007)

Kobayashi, M., Ooki, Y., Takizawa, M., Song, G. S., Fujimori, A., Takeda, Y., ...

By means of photoemission and x-ray absorption spectroscopy, we have studied the electronic structure of (Ni,Zn,Fe,Ti)$_{3}$O$_{4}$ thin films, which exhibits a cluster glass behavior with a...

X-ray magnetic circular dichroism and photoemission study of the diluted ferromagnetic semiconductor Zn$_{1-x}$Cr$_x$Te (2007)

Ishida, Y., Kobayashi, M., Hwang, J. I., Takeda, Y., Okane, T., ...

We have performed x-ray magnetic circular dichroism (XMCD) and valence-band photoemission studies of the diluted ferromagnetic semiconductor Zn$_{1-x}$Cr$_x$Te. XMCD signals due to ferromagnetism...

A GEM TPC End-Panel Pre-Prototype (2007)

Ishikawa, A., Aoza, A., Higashi, T., Sugiyama, A., Tsuji, H., Kato, Y., ...

A GEM TPC end panel pre-prototype was constructed for a large LC-TPC prototype to test its basic design philosophy and some of its engineering details. Its interim test results are presented.

Usefulness of multi-detector row Computed Tomography for accurate preoperative assessment of pancreatic adenocarcinoma: report of a case (2007)

Maeda, H, Okabayashi, T, Kobayashi, M, Morishita, S, Nishimori, I, Ito, S, ...

A 74-year-old female underwent surgical treatment for adenocarcinoma of the pancreatic head. Preoperative multi-detector row computed tomography (MD-CT) demonstrated tumor invasion into the accessory...

Phase Change Observed in Ultrathin Ba0.5Sr0.5TiO3 Films by in-situ Resonant Photoemission Spectroscopy (2007)

Terai, K., Wadati, H., Kobayashi, M., Takizawa, M., Hwang, J. I., ...

Epitaxial Ba0.5Sr0.5TiO3 thin films were prepared on Nb-doped SrTiO3 (100)substrates by the pulsed laser deposition technique, and were studied by measuring the Ti 2p - 3d resonant photoemission...

Critical test for Altshuler-Aronov theory: Evolution of the density of states singularity in double perovskite Sr$_2$FeMoO$_6$ with controlled disorder (2007)

Kobayashi, M., Tanaka, K., Fujimori, A., Ray, Sugata, Sarma, D. D.

With high-resolution photoemission spectroscopy measurements, the density of states (DOS) near the Fermi level ($E_\mathrm{F}$) of double perovskite Sr$_2$FeMoO$_6$ having different degrees of Fe/Mo...

Intergranular Magnetoresistance in $Sr_2FeMoO_6$ from a Magnetic Tunnel Barrier Mechanism across Grain Boundaries (2007)

Sarma, DD, Ray, Sugata, Tanaka, K, Kobayashi, M, Fujimori, A, Sanyal, P, ...

We present magnetization (M) and magnetoresistance (MR)data for a series of $Sr_2FeMoO_6$ samples with independent control on antisite defect and grain-boundary densities, which reveal several...

X-ray magnetic circular dichroism characterization of GaN/Ga1-xMnxN digital ferromagnetic heterostructure (2007)

Hwang, J. I., Kobayashi, M., Song, G. S., Fujimori, A., Tanaka, A., Yang, Z. S., ...

We have investigated the magnetic properties of a GaN/Ga1-xMnxN (x = 0.1) digital ferromagnetic heterostructure (DFH) showing ferromagnetic behavior using soft x-ray absorption spectroscopy (XAS) and...

Depth profile high-energy spectroscopic study of Mn-doped GaN prepared by thermal diffusion (2007)

Hwang, J. I., Osafune, Y., Kobayashi, M., Ebata, K., Ooki, Y., Ishida, Y., ...

We have performed an $in$-$situ$ depth profile study of Mn-doped GaN prepared by a low temperature thermal diffusion method using photoemission and x-ray absorption spectroscopy. It was revealed from...

A Study of the LXeGRIT Detection Efficiency for MeV Gamma-Rays during the 2000 Balloon Flight Campaign (2007)

Curioni, A., Aprile, E., Doke, T., Giboni, K. L., Kobayashi, M., Oberlack, U. G.

LXeGRIT - Liquid Xenon Gamma-Ray Imaging Telescope - is the first prototype of a Compton telescope for \MeV \g-ray astrophysics based on a LXe time projection chamber. One of the most relevant...

Suppression of tumor growth by intra-muscular transfer of naked DNA encoding adrenomedullin antagonist (2007)

Miseki, T., Kawakami, H., Natsuizaka, M., Darmanin, S., Cui, H. Y., Chen, J., ...

We have recently reported that the intra-tumoral injection of adrenomedullin (AM) antagonist (AMA; AM (22-52)) peptides significantly reduced the in vivo growth of a pancreatic cancer cell line in...

Suppression of tumor growth by intra-muscular transfer of naked DNA encoding adrenomedullin antagonist. (2007)

Miseki, T., Kawakami, H., Natsuizaka, M., Darmanin, S., Cui, H. Y., Chen, J., ...

We have recently reported that the intra-tumoral injection of adrenomedullin (AM) antagonist (AMA; AM (22-52)) peptides significantly reduced the in vivo growth of a pancreatic cancer cell line in...

Intergranular Magnetoresistance in $Sr_2FeMoO_6$ from a Magnetic Tunnel Barrier Mechanism across Grain Boundaries (2007)

Sarma, DD, Ray, Sugata, Tanaka, K, Kobayashi, M, Fujimori, A, Sanyal, P, ...

We present magnetization (M) and magnetoresistance (MR)data for a series of $Sr_2FeMoO_6$ samples with independent control on antisite defect and grain-boundary densities, which reveal several...

First measurement of the $\pi^+\pi^-$ atom lifetime (2006)

Adeva, B., Afanasyev, L., Benayoun, M., Benelli, A., Berka, Z., Brekhovskikh, V., ...

The goal of the DIRAC experiment at CERN (PS212) is to measure the $\pi^+\pi^-$ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the $S$-wave...

Soft x-ray magnetic circular dichroism study of weakly ferromagnetic Zn$_{1-x}$V$_x$O thin film (2006)

Ishida, Y., Hwang, J. I., Kobayashi, M., Takeda, Y., Mamiya, K., Okamoto, J., ...

We performed a soft x-ray magnetic circular dichroism (XMCD) study of a Zn$_{1-x}$V$_x$O thin film which showed small ferromagnetic moment. Field and temperature dependences of V 2$p$ XMCD signals...

Histone deacetylase inhibitor reduces monocyte adhesion to endothelium through the suppression of vascular cell adhesion molecule-1 expression (2006)

Inoue, K., Kobayashi, M., Yano, K., Miura, M., Izumi, A., Mataki, C., ...

Objective - Tumor necrosis factor (TNF)-alpha initiates numerous changes in endothelial cell (EC) gene expression that contributes to the pathology of various diseases including inflammation. We...

Effect of Reducing Atmosphere on the Magnetism of Zn1-xCoxO Nanoparticles (2005)

Naeem, M., Hasanain, S. K., Kobayashi, M., Ishida, Y., Fujimori, A., Buzby, Scott, ...

We report the crystal structure and magnetic properties of Zn1-xCoxO nanoparticles synthesized by heating metal acetates in organic solvent. The nanoparticles were crystallized in wurtzite ZnO...

Characterization of Magnetic Components in the Diluted Magnetic Semiconductor Zn$_{1-x}$Co$_x$O by X-ray Magnetic Circular Dichroism (2005)

Kobayashi, M., Ishida, Y., Hwang, J. L., Mizokawa, T., Fujimori, A., Mamiya, K., ...

We report on the results of x-ray absorption (XAS), x-ray magnetic circular dichroism (XMCD), and photoemission experiments on {\it n}-type Zn$_{1-x}$Co$_x$O ($x=0.05$) thin film, which shows...

Transport properties of the heavy fermion superconductor PrOs$_{4}$Sb$_{12}$ (2005)

Sugawara, H., Kobayashi, M., Osaki, S., Saha, S. R., Namiki, T., Aoki, Y., ...

We have measured the electrical resistivity, thermoelectric power, Hall coefficient, and magnetoresistance (MR) on single crystals of PrOs$_{4}$Sb$_{12}$, LaOs$_{4}$Sb$_{12}$ and NdOs$_{4}$Sb$_{12}$....

Novel features in the flux-flow resistivity of the heavy fermion superconductor PrOs$_{4}$Sb$_{12}$ (2005)

Kobayashi, M., Sato, H., Sugawara, H., Fujiwara, H., Aoki, Y.

We have investigated the electrical resistivity of the heavy fermion superconductor PrOs$_{4}$Sb$_{12}$ in the mixed state. We found unusual double minima in the flux-flow resistivity as a function...

High-energy spectroscopic study of the III-V nitride-based diluted magnetic semiconductor Ga$_{1-x}$Mn$_{x}$N (2005)

Hwang, J. I., Ishida, Y., Kobayashi, M., Hirata, H., Takubo, K., Mizokawa, T., ...

We have studied the electronic structure of the diluted magnetic semiconductor Ga$_{1-x}$Mn$_{x}$N ($x$ = 0.0, 0.02 and 0.042) grown on Sn-doped $n$-type GaN using photoemission and soft x-ray...