Zobrazeno 1 - 10
of 452
pro vyhledávání: '"Hwang, J.-I."'
Autor:
Lee, C.-C., Hwang, J.-I., Chang, K.-H., Lin, Y.C., Chao, C.C., Cheng, T.-F., Chen, Y.-C., Hsueh, K.-C.
Publikováno v:
In Clinical Radiology January 2024 79(1):e73-e79
Autor:
Kobayashi, M., Ishida, Y., Hwang, J. I., Osafune, Y., Fujimori, A., Takeda, Y., Okane, T., Saitoh, Y., Kobayashi, K., Saeki, H., Kawai, T., Tabata, H.
Publikováno v:
Phys. Rev. B 81, 075204 (2010) [7 pages]
The magnetic properties of Zn$_{1-x}$Co$_x$O ($x=0.07$ and 0.10) thin films, which were homo-epitaxially grown on a ZnO(0001) substrates with varying relatively high oxygen pressure, have been investigated using x-ray magnetic circular dichroism (XMC
Externí odkaz:
http://arxiv.org/abs/1001.0712
Autor:
Song, G. S., Kobayashi, M., Hwang, J. I., Kataoka, T., Takizawa, M., Fujimori, A., Ohkouchi, T., Takeda, Y., Okane, T., Saitoh, Y., Yamagami, H., Chang, F. -H., Lee, L., Lin, H. -J., Huang, D. J., Chen, C. T., Kimura, S., Funakoshi, M., Hasegawa, S., Asahi, H.
Publikováno v:
Phys. Rev. B 78, 033304 (2008)
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 confirmed that Cr in GaN is predominantly trivalent s
Externí odkaz:
http://arxiv.org/abs/0805.3299
Local electronic structure of Cr in the II-VI diluted ferromagnetic semiconductor Zn$_{1-x}$Cr$_x$Te
Autor:
Kobayashi, M., Ishida, Y., Hwang, J. I., Song, G. S., Fujimori, A., Yang, C. -S., Lee, L., Lin, H. -J., Huang, D. -J., Chen, C. T., Takeda, Y., Fujimori, S. -I., Okane, T., Saitoh, Y., Yamagami, H., Kobayashi, K., Tanaka, A., Saito, H., Ando, K.
Publikováno v:
New J. Phys. 10, 055011 (2008)
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 (XMCD) and photoemission spectroscopy (PES). Magnetic-f
Externí odkaz:
http://arxiv.org/abs/0804.3272
Autor:
Kobayashi, M., Ishida, Y., Hwang, J. I., Song, G. S., Takizawa, M., Fujimori, A., Takeda, Y., Ohkochi, T., Okane, T., Saitoh, Y., Yamagami, H., Gupta, Amita, Cao, H. T., Rao, K. V.
Publikováno v:
Physical Review B 79, 205203 (2009)
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 spectra revealed trivalent electronic state of the V i
Externí odkaz:
http://arxiv.org/abs/0801.4244
Autor:
Kobayashi, M., Hwang, J. I., Song, G. S., Ooki, Y., Takizawa, M., Fujimori, A., Takeda, Y., Fujimori, S. -I., Terai, K., Okane, T., Saitoh, Y., Yamagami, H., Lin, Y. -H., Nan, C. -W.
Publikováno v:
Phys. Rev. B 78, 155322 (2008)
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 were not changed by Li doping. In contrast, the Fe
Externí odkaz:
http://arxiv.org/abs/0711.4658
Autor:
Osafune, Y., Song, G. S., Hwang, J. I., Ishida, Y., Kobayashi, M., Ebata, K., Ooki, Y., Fujimori, A., Okabayashi, J., Kanai, K., Kubo, K., Oshima, M.
Publikováno v:
J. Appl. Phys. 103, 103717 (2008)
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 diffused into the deep region of the GaAs substrate and co
Externí odkaz:
http://arxiv.org/abs/0711.3257
Autor:
Ishida, Y., Kobayashi, M., Hwang, J. I., Takeda, Y., Fujimori, S. -i., Okane, T., Terai, K., Saitoh, Y., Muramatsu, Y., Fujimori, A., Tanaka, A., Saito, H., Ando, K.
Publikováno v:
Appl. Phys. Express 1, 041301 (2008)
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 were observed at the Cr 2p absorption edge. Comparison
Externí odkaz:
http://arxiv.org/abs/0710.2170
Autor:
Lin, Y. -H., Terai, K., Wadati, H., Kobayashi, M., Takizawa, M., Hwang, J. I., Fujimori, A., Nan, C. -W., Li, J. -F., Fujimori, S. -I., Okane, T., Saitoh, Y., Kobayashi, K.
Publikováno v:
Appl. Phys. Lett. 90, 222909 (2007)
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 spectra in the valence-band region as a function of fil
Externí odkaz:
http://arxiv.org/abs/0705.3675
Autor:
Hwang, J. I., Kobayashi, M., Song, G. S., Fujimori, A., Tanaka, A., Yang, Z. S., Lin, H. J., Huang, D. J., Chen, C. T., Jeon, H. C., Kang, T. W.
Publikováno v:
Appl. Phys. Lett. 91, 072507(2007)
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 x-ray magnetic circular dichroism (XMCD). The Mn L
Externí odkaz:
http://arxiv.org/abs/cond-mat/0703477