Observation of energetic electrons within magnetic islands (2008)
Bhattacharjee, A., Puhl-Quinn, P. A., Yang, H., Bessho, N., Imada, S., ...
Uruma, M., Sekiyama, A., Fujiwara, H., Yano, M., Fujita, H., Imada, S., ...
We report on experimental data of the three-dimensional bulk Fermi surfaces of the layered strongly correlated Ca1.5Sr0.5RuO4 system. The measurements have been performed by means of hn-depndent...
Yano, M., Sekiyama, A., Fujiwara, H., Amano, Y., Imada, S., Muro, T., ...
Soft and hard X-ray photoelectron spectroscopy (PES) has been performed for one of the heavy fermion system CeRu$_2$Si$_2$ and a $4f$-localized ferromagnet CeRu$_2$Ge$_2$ in the paramagnetic phase....
Energetic electron acceleration in the downstream reconnection outflow region (2007)
Imada, S., Nakamura, R., Daly, P. W., Hoshino, M., Baumjohann, W., Balogh, S. Mühlbachlerand A., ...
Tsunekawa, M., Imada, S., Matsumoto, A., Yamasaki, A., Suga, S., Schmid, B., ...
Soft X-ray magnetic circular dichroism (XMCD) measurements were performed at the L3 edge of manganese for MnFeP0.78Ge0.22 at 290 and 279 K. Temperature and magnetic field dependence of the XMCD...
Yano, M., Sekiyama, A., Fujiwara, H., Saita, T., Imada, S., Muro, T., ...
Three-dimensional Fermi surfaces at a high temperature have been clarified for a strongly correlated Ce compound, ferromagnet CeRu$_2$Ge$_2$ in the paramagnetic phase, by virtue of a soft x-ray...
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...
Sekiyama, A, Fujita, Y, Tsunekawa, M, Kasai, S, Shigemoto, A, Imada, S, ...
High-resolution soft X-ray photoemission study of a Kondo semiconductor and related compounds (2005)
Sekiyama, A, Fujita, Y, Tsunekawa, M, Kasai, S, Shigemoto, A, Imada, S, ...
Magnetism-induced symmetry breaking in photoelectron diffraction patterns (2005)
Chassé, A., Kuch, W., Kotsugi, M., Gao, X., Offi, F., Imada, S., ...
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...
Yaji, K., Kimura, A., Hirai, C., Taniguchi, M., Koyama, M., Sato, H., ...
Cr 2p core excited XAS and XMCD spectra of ferromagnetic Cr$_{1-\delta}$Te with several concentrations of $\delta$=0.11-0.33 and ferrimagnetic Cr$_{5}$S$_{6}$ have been measured. The observed XMCD...
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...
Sekiyama, A., Fujiwara, H., Higashiya, A., Imada, S., Kuwahara, H., Tokura, Y., ...
Unusual temperature and doping dependence of the Mn 3d spectral functions of manganese perovskites Nd1-xSrxMnO3 has been revealed by the high-resolution Mn 2p-3d resonance photoemission. The...
Mutual Experimental and Theoretical Validation of Bulk Photoemission Spectra of Sr1-xCaxVO3 (2004)
Sekiyama, A., Fujiwara, H., Imada, S., Suga, S., Eisaki, H., Uchida, S. I., ...
Mutual Experimental and Theoretical Validation of Bulk Photoemission Spectra of Sr1-xCaxVO3 (2003)
Sekiyama, A., Fujiwara, H., Imada, S., Suga, S., Eisaki, H., Uchida, S. I., ...
We report high-resolution high-energy photoemission spectra together with parameter-free LDA+DMFT (local density approximation + dynamical mean-field theory) results for Sr1-xCaxVO3, a prototype 3d1...
Auger Effect in the High-Resolution Ce 3d-edge Resonant Photoemission (2003)
Iwasaki, T., Sekiyama, A., ...
The bulk-sensitive Ce 4$f$ spectral weights of various Ce compounds including CeFe$_2$, CeNi$_2$, and CeSi$_2$ were obtained with the resonant photoemission technique at the Ce 3d-edge. We found the...
Localized Character of 4f Electrons in CeRh$_x$(x=2,3) and CeNi$_x$(x=2,5) (2003)
Jung, Ran-Ju, Choi, Byung-Hee, Kim, Hyeong-Do, Cho, En-Jin, Iwasaki, T., ...
We have measured Ce 4f spectral weights of extremely $\alpha$-like Ce-transition metal intermetallic compounds CeRh$_x$ (x=2,3) and CeNi$_x$ (x=2,5) by using the {\it bulk-sensitive} resonant...
Soft X-ray Magnetic Circular Dichroism of c(2x2) CuMn Ordered Surface Alloy (2003)
Kimura, A., Kanbe, T., Xie, T., Taniguchi, M., Qiao, S., Muro, T., ...
Mn 2p soft X-ray absorption (XAS) spectroscopy excited with circularly polarized synchrotron radiation has been applied to a new class of material, c(2x2)CuMn/Cu(001) two-dimensional ordered surface...
Soft X-ray magnetic circular dichroism study of the ferromagnetic Cr$_{1-\delta}$Te (2003)
Yaji, K., Kimura, A., Hirai, C., Sato, H., Taniguchi, M., Koyama, M., ...
The 2p core excited XAS and XMCD spectra of Cr$_{1-\delta}$Te with several concentrations of $\delta$=0.11-0.33 have been measured. The observed XMCD lineshapes are found to very weakly depend on...
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...
Possible Kondo resonance in PrFe4P12 studied by bulk-sensitive photoemission (2002)
Yamasaki, A., Imada, S., Nanba, T., Sekiyama, A., Sugawara, H., Sato, H., ...
Pr 4f electronic states in Pr-based filled skutterudites PrT4X12(T=Fe and Ru; X=P and Sb) have been studied by high-resolution bulk-sensitive Pr 3d-4f resonance photoemission. A very strong spectral...
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...
Genuine Electronic States of Vanadium Perovskites Revealed by High-Energy Photoemission (2002)
Sekiyama, A., Fujiwara, H., Imada, S., Eisaki, H., Uchida, S. I., Takegahara, K., ...
Bulk-sensitive high-resolution photoemission was carried out on a prototype 3d1 metallic Sr1-xCaxVO3. In a strong contrast to so far reported results, the bulk spectral functions are revealed to be...
Search for multi-atom resonant photoemission in magnetic thin films (2002)
Gao, X. Y., Kuch, W., Offi, F., Kang, S. S., Imada, S., Kirschner, J.
EFFECT OF MAGNETIC DISORDER ON THE SPECTRAL DENSITY OF THE d BAND IN FERROMAGNETIC METALS (1988)
It is shown that previous calculations of the spectral density of an extra hole or electron in Fe and Ni can be parametrized with a simple CPA in terms of an exchange splitting parameter and level...
EFFECT OF MAGNETIC DISORDER ON THE SPECTRAL DENSITY OF THE d BAND IN FERROMAGNETIC METALS (1988)
It is shown that previous calculations of the spectral density of an extra hole or electron in Fe and Ni can be parametrized with a simple CPA in terms of an exchange splitting parameter and level...
EFFECT OF MAGNETIC DISORDER ON THE SPECTRAL DENSITY OF THE d BAND IN FERROMAGNETIC METALS (1988)
It is shown that previous calculations of the spectral density of an extra hole or electron in Fe and Ni can be parametrized with a simple CPA in terms of an exchange splitting parameter and level...
Genetic transformation with cell wall-associated deoxyribonucleic acid in Bacillus subtilis.
Doyle, R J, Streips, U N, Imada, S, Fan, V S, Brown, W C
Cell walls from bacillus subtilis 168 were prepared by conventional methods and found to contain deoxyribonucleic acid (DNA). In transformation assays, after autolysis, it was found that two major...
Genetic transformation with cell wall-associated deoxyribonucleic acid in Bacillus subtilis.
Doyle, R J, Streips, U N, Imada, S, Fan, V S, Brown, W C
Cell walls from bacillus subtilis 168 were prepared by conventional methods and found to contain deoxyribonucleic acid (DNA). In transformation assays, after autolysis, it was found that two major...