S. Kasai

Publication List Details

Period

1988 - 2009

Number

62

Co-Authors

ARPES spectral functions and Fermi surface for La(1.86)Sr(0.14)CuO(4) compared with LDA+DMFT+Sk calculations (2009)

Nekrasov, I. A., Kokorina, E. E., Kuchinskii, E. Z., Sadovskii, M. V., Kasai, S., Sekiyama, A., ...

Slightly underdoped high-Tc system La(1.86)Sr(0.14)CuO(4) (LSCO) is studied by means of high energy high resolution angular resolved photoemission spectroscopy (ARPES) and combined computational...

Universality of Bias- and Temperature-induced Dephasing in Ballistic Electronic Interferometers (2009)

Yamauchi, Y., Hashisaka, M., Nakamura, S., Chida, K., Kasai, S., Ono, T., ...

We performed a transport measurement in a ballistic Aharonov-Bohm ring and a Fabry-Perot type interferometer. In both cases we found that the interference signal is reversed at a certain bias voltage...

Magnetization Losses in Multifilament Coated Superconductors (Postprint) (2007)

Levin, G. A., Barnes, P. N., Amemiya, N., Kasai, S., Yoda, K., Jiang, Z.

We report the results of a study of the magnetization losses in experimental multifilament, as well as control (uniform) coated superconductors exposed to time-varying magnetic fields of various...

Gate Control, Surface Leakage Currents and Peripheral Charging in AlGaN/GaN Heterostructure Field Effect Transistors Having Nanometer-Scale Schottky Gates (2006)

Kasai, S., Kotani, J., Hashizume, T., Hasegawa, H.

Gate control properties together with gate leakage currents in AlGaN/GaN HFETs with nm-scale Schottky gates were investigated focusing on effects of AlGaN surfaces at the gate periphery. Fabricated...

Reduction of threshold current density for current-driven domain wall motion by shape control (2005)

Yamaguchi, A., Yano, K., Tanigawa, H., Kasai, S., Ono, T.

We investigated the aspect ratio (thickness/width) dependence of the threshold current density required for the current-driven domain wall (DW) motion for the Ni81Fe19 nanowires. It has been shown...

Current-driven domain wall motion in magnetic wires with asymmetric notches (2005)

Himeno, A., Kasai, S., Ono, T.

Current-driven domain wall (DW) motion in magnetic wires with asymmetric notches was investigated by means of magnetic force microscopy. It was found that the critical current density necessary for...

Charge dynamics in strongly correlated one-dimensional Cu-O chain systems revealed by inelastic X-ray scattering (2005)

Suga, S., Imada, S., Higashiya, A., Shigemoto, A., Kasai, S., Sing, M., ...

We report on the Cu 1s resonant inelastic X-ray scattering (RIXS) of Cu-O one-dimensional (1D) strongly correlated insulator systems with contrasting atomic arrangements, namely edge-sharing CuGeO3...

Maternal genetic polymorphisms in CYP1A1, GSTM1 and GSTT1 and the risk of hypospadias (2005)

Kurahashi, N., Sata, F., Kasai, S., Shibata, T., Moriya, K., Yamada, H., ...

Hypospadias is one of the most common congenital anomalies. Increased exposure to environmental factors (endocrine-disrupting chemicals and smoking) or maternal endogenous estrogen may cause...

High-resolution soft x-ray photoemission study of a Kondo semiconductor and related compounds (2004)

Sekiyama, A., Fujita, Y., Tsunekawa, M., Kasai, S., Shigemoto, A., Imada, S., ...

We have performed the bulk-sensitive high-resolution soft x-ray photoemission study of a Kondo semiconductor CeRhAs and related compounds CeNiSn and CePdSn. The comparison of the spectra of...

Magnetization Losses in Multifilament Coated Superconductors (2004)

Levin, G. A., Barnes, P. N., Amemiya, N., Kasai, S., Yoda, K., Jiang, Z.

We report the results of a study of the magnetization losses in experimental multifilament, as well as control (uniform), coated superconductors exposed to time-varying magnetic field of various...

Propagation of a magnetic domain wall in magnetic wires with asymmetric notches (2004)

Himeno, A., Okuno, T., Kasai, S., Ono, T., Nasu, S., Mibu, K., ...

The propagation of a magnetic domain wall (DW) in a submicron magnetic wire consisting of a magnetic/nonmagnetic/magnetic trilayered structure with asymmetric notches was investigated by utilizing...

High-energy photoemission on Fe3O4: Small polaron physics and the Verwey transition (2004)

Schrupp, D., Sing, M., Tsunekawa, M., Fujiwara, H., Kasai, S., Sekiyama, A., ...

We have studied the electronic structure and charge ordering (Verwey) transition of magnetite (Fe3O4) by soft x-ray photoemission. Due to the enhanced probing depth and the use of different surface...

Technique for bulk Fermiology by photoemission applied to layered ruthenates (2004)

Sekiyama, A., Kasai, S., Tsunekawa, M., Ishida, Y., Sing, M., Irizawa, A., ...

We report the Fermi surfaces of the superconductor Sr2RuO4 and the non-superconductor Sr1.8Ca0.2RuO4 probed by bulk-sensitive high-energy angle-resolved photoemission. It is found that there is one...

Design and Implementation of Ultra-Small-Size and Ultra-Low-Power Digital Systems on GaAs-based Hexagonal Nanowire Networks Utilizing a Hexagonal BDD Quantum Circuit Approach (2004)

Kasai, S., Yumoto, M., Sato, T., Hasegawa, H.

This paper discusses feasibility of design and future implementation of ultrasmall-size and ultra-low-power digital logic systems by a hexagonal BDD (binary-decision diagram) quantum circuit...

Design and Implementation of Ultra-Small-Size and Ultra-Low-Power Digital Systems on GaAs-based Hexagonal Nanowire Networks Utilizing a Hexagonal BDD Quantum Circuit Approach (2004)

Kasai, S., Yumoto, M., Sato, T., Hasegawa, H.

This paper discusses feasibility of design and future implementation of ultrasmall-size and ultra-low-power digital logic systems by a hexagonal BDD (binary-decision diagram) quantum circuit...

Design and Implementation of Ultra-Small-Size and Ultra-Low-Power Digital Systems on GaAs-based Hexagonal Nanowire Networks Utilizing a Hexagonal BDD Quantum Circuit Approach (2004)

Kasai, S., Yumoto, M., Sato, T., Hasegawa, H.

This paper discusses feasibility of design and future implementation of ultrasmall-size and ultra-low-power digital logic systems by a hexagonal BDD (binary-decision diagram) quantum circuit...

Maternal genetic polymorphisms in CYP1A1, GSTM1 and GSTT1 and the risk of hypospadias (2004)

Kurahashi, N., Sata, F., Kasai, S., Shibata, T., Moriya, K., Yamada, H., ...

Hypospadias is one of the most common congenital anomalies. Increased exposure to environmental factors (endocrine-disrupting chemicals and smoking) or maternal endogenous estrogen may cause...

Maternal genetic polymorphisms in CYP1A1, GSTM1 and GSTT1 and the risk of hypospadias (2004)

Kurahashi, N., Sata, F., Kasai, S., Shibata, T., Moriya, K., Yamada, H., ...

Hypospadias is one of the most common congenital anomalies. Increased exposure to environmental factors (endocrine-disrupting chemicals and smoking) or maternal endogenous estrogen may cause...

Resonant photoemission spectroscopy study of insulator-to-metal transition in Cr- and Ru-doped Nd_{1/2}A_{1/2}Mn_{1-y} O_{3} (A=Ca, Sr) (2002)

Kim, J. H., Sekiyama, A., Kasai, S., Suga, S., Han, S. W., ...

Electronic structures of very dilute Cr- or Ru-doped Nd_{1/2}A_{1/2}MnO_{3} (NAMO; A=Ca, Sr) manganites have been investigated using the Mn and Cr 2p -> 3d resonant photoemission spectroscopy (PES)....

Bulk-sensitive Photoemission of Mn5Si3 (2002)

Irizawa, A., Yamasaki, A., Okazaki, M., Kasai, S., Sekiyama, A., Imada, S., ...

We have carried out a bulk-sensitive high-resolution photoemission experiment on Mn5Si3. The measurements are performed for both core level and valence band states. The Mn core level spectra are...

A single electron binary-decision-diagram quantum logic circuit based on Schottky wrap gate control of a GaAs nanowire hexagon (2002)

Kasai, S., Hasegawa, H., 葛西, 誠也

A novel hexagonal binary-decision-diagram (BDD) quantum logic circuit approach for III-V quantum large scale integrated circuits is proposed and its basic feasibility is demonstrated. In this...

A single electron binary-decision-diagram quantum logic circuit based on Schottky wrap gate control of a GaAs nanowire hexagon (2002)

Kasai, S., Hasegawa, H.

A novel hexagonal binary-decision-diagram (BDD) quantum logic circuit approach for III-V quantum large scale integrated circuits is proposed and its basic feasibility is demonstrated. In this...

A single electron binary-decision-diagram quantum logic circuit based on Schottky wrap gate control of a GaAs nanowire hexagon (2002)

Kasai, S., Hasegawa, H.

A novel hexagonal binary-decision-diagram (BDD) quantum logic circuit approach for III-V quantum large scale integrated circuits is proposed and its basic feasibility is demonstrated. In this...

High-resolution Photoemission Study of Cd2Re2O7 (2002)

Irizawa, A., Higashiya, A., Kasai, S., Sasabayashi, T., Shigemoto, A., Sekiyama, A., ...

High-resolution bulk-sensitive photoemission has been measured for pyrochlore oxide Cd2Re2O7. Temperature variations of the spectral shapes between 20 and 250 K are obviously observed for the Re 4f...

Bulk-sensitive photoemission spectroscopy of A_2FeMoO_6 double perovskites (A=Sr, Ba) (2002)

Kim, J. H., Sekiyama, A., Kasai, S., Suga, S., Han, S. W., ...

Electronic structures of Sr_2FeMoO_6 (SFMO) and Ba_2FeMoO_6 (BFMO) double perovskites have been investigated using the Fe 2p->3d resonant photoemission spectroscopy (PES) and the Cooper minimum in...

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT with a silicon interface control layer showing high DC- and RF-performance (2001)

Yong, Gui Xie., Kasai, S., Takahashi, H., Chao, Jiang., Hasegawa, H., 葛西, 誠也

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT (IG-PHEMT) utilizing a silicon interface control layer (Si ICL) was successfully fabricated and its DC and RF performances were characterized....

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT with a silicon interface control layer showing high DC- and RF-performance (2001)

Yong, Gui Xie., Kasai, S., Takahashi, H., Chao, Jiang., Hasegawa, H.

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT (IG-PHEMT) utilizing a silicon interface control layer (Si ICL) was successfully fabricated and its DC and RF performances were characterized....

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT with a silicon interface control layer showing high DC- and RF-performance (2001)

Yong, Gui Xie., Kasai, S., Takahashi, H., Chao, Jiang., Hasegawa, H.

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT (IG-PHEMT) utilizing a silicon interface control layer (Si ICL) was successfully fabricated and its DC and RF performances were characterized....

Gate Controlled Conductance Oscillations in GaAs Schottky Wrap-Gate Single Electron Transistors (2001)

Kasai, S., Hasegawa, H.

Conductance oscillation characteristics of a Schottky wrap-gate controlled single electron transistor (WPG SET) were investigated. The device showed a small number of high conductance peaks and they...

Gate Controlled Conductance Oscillations in GaAs Schottky Wrap-Gate Single Electron Transistors (2001)

Kasai, S., Hasegawa, H.

Conductance oscillation characteristics of a Schottky wrap-gate controlled single electron transistor (WPG SET) were investigated. The device showed a small number of high conductance peaks and they...

Gate Controlled Conductance Oscillations in GaAs Schottky Wrap-Gate Single Electron Transistors (2001)

Kasai, S., Hasegawa, H.

Conductance oscillation characteristics of a Schottky wrap-gate controlled single electron transistor (WPG SET) were investigated. The device showed a small number of high conductance peaks and they...

Plasma diagnostics for ITER-FEAT (2001)

Ebisawa, K., Costley, A. E., Donne, A. J. H., Janeschitz, G., Kasai, S.

This version is available at the following Publisher URL: http://rsi.aip.org

GaAs quantum wire transistors and single electron transistors using Schottky wrap gates for quantum integrated circuits (2000)

Kasai, S., Satoh, Y., Hasegawa, H.

Basic electrical properties of Schottky wrap-gate (WPG) controlled GaAs quantum wire transistors (QWTrs) and single electron transistors (SETs) are investigated to clarify their applicability to...

GaAs quantum wire transistors and single electron transistors using Schottky wrap gates for quantum integrated circuits (2000)

Kasai, S., Satoh, Y., Hasegawa, H.

Basic electrical properties of Schottky wrap-gate (WPG) controlled GaAs quantum wire transistors (QWTrs) and single electron transistors (SETs) are investigated to clarify their applicability to...

GaAs quantum wire transistors and single electron transistors using Schottky wrap gates for quantum integrated circuits (2000)

Kasai, S., Satoh, Y., Hasegawa, H.

Basic electrical properties of Schottky wrap-gate (WPG) controlled GaAs quantum wire transistors (QWTrs) and single electron transistors (SETs) are investigated to clarify their applicability to...

Genetic progression and heterogeneity in intraductal papillary-mucinous neoplasms of the pancreas.

Fujii, H., Inagaki, M., Kasai, S., Miyokawa, N., Tokusashi, Y., Gabrielson, E., ...

Intraductal papillary-mucinous neoplasms (IPMNs) of the pancreas are ideal neoplasms to study clonal progression and genetic diversity because of their large size and prominent intraductal component....

Relation between colour vision loss and occupational styrene exposure level

Gong, Y, Kishi, R, Katakura, Y, Tsukishima, E, Fujiwara, K, Kasai, S, ...

Aims: To investigate the relation between colour vision loss and the exposure level of styrene. Exposure level included the current exposure concentration, past cumulative exposure, and the maximum...

Clinicopathological and prognostic significance of EGFR, VEGF, and HER2 expression in cholangiocarcinoma

Yoshikawa, D, Ojima, H, Iwasaki, M, Hiraoka, N, Kosuge, T, Kasai, S, ...

Epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), and human epidermal growth factor receptor 2 (HER2) have been considered as potential therapeutic targets in...