Kozo Okada

2002

Photoemission study of quasi-one-dimensional halogen-bridged compound [Ni(chxn)₂Br]Br₂

Fujimori, S. I., Ino, A., Okane, T., Fujimori, A., Okada, K., Manabe, T., Yamashita, M., Kishida, H. & Okamoto, H., 4月 2002, In: Surface Review and Letters. 9, 2, p. 1065-1069 5 p.

研究成果 › 査読

Specification of Zhang-Rice singlet excitation in Sr2CuO2Cl2 mediated by O 1s core hole; Symmetry-selective resonant soft X-ray Raman scattering study

Okada, K., 2002, In: Physical Review B. Vol.66, 165104, p. 1-4 4 p.

研究成果

Unique identification of Zhang-Rice singlet excitation in (formula presented) mediated by the O (formula presented) core hole: Symmetry-selective resonant soft x-ray Raman scattering study

Harada, Y., Okada, K., Eguchi, R., Kotani, A., Takagi, H., Takeuchi, T. & Shin, S., 1月 1 2002, In: Physical Review B - Condensed Matter and Materials Physics. 66, 16, p. 1-5 5 p.

研究成果 › 査読

6 被引用数 (Scopus)

Unique identification of Zhang-Rice singlet excitation in Sr₂CuO₂Cl₂ mediated by the O 1s core hole: Symmetry-selective resonant soft x-ray Raman scattering study

Harada, Y., Okada, K., Eguchi, R., Kotani, A., Takagi, H., Takeuchi, T. & Shin, S., 10月 15 2002, In: Physical Review B - Condensed Matter and Materials Physics. 66, 16, p. 1651041-1651045 5 p., 165104.

研究成果 › 査読

38 被引用数 (Scopus)

2001

Comment on "atomic many-body effects for the p-shell photoelectron spectra of transition metals"

Taguchi, M., Uozumi, T., Okada, K., Ogasawara, H. & Kotani, A., 4月 16 2001, In: Physical Review Letters. 86, 16, p. 3692-3693 2 p.

研究成果 › 査読

2 被引用数 (Scopus)

Theory of oxygen 1s resonant X-ray emission spectroscopy in copper-based oxides

Okada, K. & Kotani, A., 3月 1 2001, In: Journal of Synchrotron Radiation. 8, 2, p. 243-245 3 p.

研究成果 › 査読

3 被引用数 (Scopus)

Zhang-Rice singlet-state formation by oxygen 1s resonant x-ray emission in edge-sharing copper-oxide systems

Okada, K. & Kotani, A., 1月 1 2001, In: Physical Review B - Condensed Matter and Materials Physics. 63, 4, p. 451031-451034 4 p., 045103.

研究成果 › 査読

33 被引用数 (Scopus)

2000

Resonant X-ray emission spectroscopy in Hubbard model

Okada, K. & Kotani, A., 9月 2000, In: journal of the physical society of japan. 69, 9, p. 3100-3106 7 p.

研究成果 › 査読

2 被引用数 (Scopus)

1999

In situ xps analysis of various iron oxide films grown by (formula presented)-assisted molecular-beam epitaxy

Fujii, T., de Groot, F. M. F., Sawatzky, G. A., Voogt, F. C., Hibma, T. & Okada, K., 1999, In: Physical Review B - Condensed Matter and Materials Physics. 59, 4, p. 3195-3202 8 p.

研究成果 › 査読

987 被引用数 (Scopus)

Large-cluster effects on core-level photoabsorption spectrum of LaCuO₃

Okada, K. & Kotani, A., 2月 1999, In: journal of the physical society of japan. 68, 2, p. 666-673 8 p.

研究成果 › 査読

9 被引用数 (Scopus)

Large-cluster-model analysis of Cu 2p X-ray absorption spectrum of LaCuO₃

Okada, K. & Kotani, A., 1999, In: Journal of Electron Spectroscopy and Related Phenomena. 101-103, p. 757-760 4 p.

研究成果 › 査読

1 被引用数 (Scopus)

Multiplet splitting effects on core-level photoemission and inverse-photoemission spectra of uranium intermetallic compounds

Okada, K., 3月 1999, In: journal of the physical society of japan. 68, 3, p. 752-755 4 p.

研究成果 › 査読

9 被引用数 (Scopus)

XPS analysis of various iron oxide films grown by NO$_2$-assisited molecular-beam epitaxy

Okada, K., 1999, In: Phys. Rev. B. Vol.59, p. 3195-3202 8 p.

研究成果

1998

Large-cluster effects on core-level photoemission spectra of quasi-one-dimensional copper compounds

Okada, K. & Kotani, A., 3月 1998, In: Journal of Electron Spectroscopy and Related Phenomena. 88-91, p. 255-260 6 p.

研究成果 › 査読

2 被引用数 (Scopus)

Magnetic circular X-ray dichroism spectra at L_2,3 edges of rare-earth compounds

Matsuyama, H., Fukui, K., Okada, K., Harada, I. & Kotani, A., 5月 1 1998, In: Journal of Electron Spectroscopy and Related Phenomena. 92, 1-3, p. 31-34 4 p.

研究成果 › 査読

11 被引用数 (Scopus)

1997

Core-level photoemission spectra of low-dimensional copper-oxide systems

Okada, K. & Kotani, A., 8月 1 1997, In: Journal of Electron Spectroscopy and Related Phenomena. 86, 1-3, p. 119-126 8 p.

研究成果 › 査読

32 被引用数 (Scopus)

Intersite Coulomb Interactions in Quasi-One-Dimensional Copper Oxides

Okada, K. & Kotani, A., 2月 1997, In: journal of the physical society of japan. 66, 2, p. 341-344 4 p.

研究成果 › 査読

11 被引用数 (Scopus)

Intersite screening effects in core-level spectra of low-dimensional copper compounds

Okada, K. & Kotani, A., 7月 1997, In: Physica B: Condensed Matter. 237-238, p. 383-384 2 p.

研究成果 › 査読

4 被引用数 (Scopus)

Theoretical and experimental studies on the electronic structure of M₂O₃ (M = Ti, V, Cr, Mn, Fe) compounds by systematic analysis of high-energy spectroscopy

Uozumi, T., Okada, K., Kotani, A., Zimmermann, R., Steiner, P., Hüfner, S., Tezuka, Y. & Shin, S., 1月 1997, In: Journal of Electron Spectroscopy and Related Phenomena. 83, 1, p. 9-20 12 p.

研究成果 › 査読

50 被引用数 (Scopus)

1996

Cu 2p core-level photoemission spectrum of Sr2CuO3 (共著)

Okada, K., 1996, In: Journal of the Physical Society of Japan. 65, 6, p. 1844-1844 1 p.

研究成果

Multiple-Cu-site effects on core-level photoemission spectra for CuO₂ planar systems

Okada, K. & Kotani, A., 5月 1996, In: Journal of Electron Spectroscopy and Related Phenomena. 78, p. 53-56 4 p.

研究成果 › 査読

3 被引用数 (Scopus)

Theory of photoemission spectra for M₂O₃(M=Ti, V, Cr, Mn, Fe) compounds

Uozumi, T., Okada, K. & Kotani, A., 5月 1996, In: Journal of Electron Spectroscopy and Related Phenomena. 78, p. 103-106 4 p.

研究成果 › 査読

27 被引用数 (Scopus)

Theory of the 4d → 2p and 4f → 4d x-ray emission spectroscopies in rare-earth compounds

Tanaka, S., Ogasawara, H., Okada, K. & Kotani, A., 5月 1996, In: Journal of Electron Spectroscopy and Related Phenomena. 79, p. 199-202 4 p.

研究成果 › 査読

1 被引用数 (Scopus)

Ti 2p and Resonant 3d Photoemission Spectra of Ti₂O₃

Uozumi, T., Okada, K., Kotani, A., Tbzuka, Y. & Shin, S., 1月 1 1996, In: journal of the physical society of japan. 65, 5, p. 1150-1153 4 p.

研究成果 › 査読

11 被引用数 (Scopus)

X-ray photoemission and electron-energy loss spectroscopic studies of Sr₂CuO₂Cl₂

Böske, T., Knauff, O., Neudert, R., Knupfer, M., Golden, M. S., Krabbes, G., Fink, J., Eisaki, H., Uchida, S., Okada, K. & Kotani, A., 1996, In: Journal of Low Temperature Physics. 105, 3-4, p. 335-340 6 p.

研究成果 › 査読

1995

Ce2O3, Pr2O3, Dy2O3の4d-2p X線発光分光の理論

Okada, K., 1995, In: 日本物理学会誌（欧文）. 64, 6, p. 2225-2225 1 p.

研究成果

Effects of configuration-dependent hybridization on core-level photoemission spectra

Okada, K. & Kotani, A., 2月 24 1995, In: Journal of Electron Spectroscopy and Related Phenomena. 71, 1, p. R1-R6

研究成果 › 査読

10 被引用数 (Scopus)

Nonlocal screening effects on core-level photoemission spectra investigated by large-cluster models

Okada, K. & Kotani, A., 1995, In: Physical Review B. 52, 7, p. 4794-4800 7 p.

研究成果 › 査読

28 被引用数 (Scopus)

Theory of many-body effects in valence, core-level and isochromat spectroscopies along the 3d transition metal series of oxides

Parlebas, J. C., Khan, M. A., Uozumi, T., Okada, K. & Kotani, A., 3月 6 1995, In: Journal of Electron Spectroscopy and Related Phenomena. 71, 2, p. 117-139 23 p.

研究成果 › 査読