１９９９年　研究業績

原著論文・解説記事

1. Y. Moritomo and M. Itoh, “Chemical pressure control of the spin-valve functionality in La_1.4Sr_1.6Mn₂O₇”, Phys. Rev. B59, 8789 - 8794 (1999)
2. Y. Moritomo, K. Ohoyama and M. Ohashi, “Competition of interbilayer magnetic coupling in R_1.4Sr_1.6Mn₂O₇ (R=La_1-zNd_z)”, Phys. Rev. B59, 157 - 160 (1999)
3. Y. Moritomo, “Competition between the antiferromagnetic charge-ordered and ferromagnetic states in doped manganites, “Phys. Rev. B60, 10374 - 10377 (1999)
4. Y. Moritomo, A. Machida, S. Mori, N. Yamamoto and A. Nakamura, ”Electronic phase diagram and phase separation in Cr-doped manganites”, Phys. Rev. B60, 9220 - 9223 (1999)
5. Y. Moritomo,”Magnetic phase diagram for bilayer manganites”, Aust. J. Phys., 52, 255 - 268 (1999)
6. Y. Moritomo, A. Nakamura, K. Ohoyama, M. Ohashi and K. Hirota, “Layered antiferromagnetic state in (La_1-zNd_z)Sr₂Mn₂O₇”, J. Phys. Soc. Jpn., 68, 631 - 636 (1999)
7. X. J. Liu, K. Matusda, Y. Moritomo, A. Nakamura and N. Kojima, “Electronic structure of gold complexes: Cs₂Au₂X₆ (X=Cl and Br)”m Phys. Rev. B59, 7925 - 7930 (1999)
8. X. J. Liu, Y. Moritomo, A. Nakamura and N. Kojima, “Pressure-induced phase transition in mixed-valence gold complexes Cs₂Au₂X₆ (X=Cl and Br)”, J. Chem. Phys., 110, 9174 - 9178 (1999)
9. X. J. Liu, Y. Moritomo, A. Nakamura and N. Kojima, “Broad Raman band in the single valence state of Cs₂Au₂X₆ (X = Br and Cl)”, J. Phys. Soc. Jpn., 68, 3134 - 3137 (1999)
10. T. Akimoto, Y. Moritomo, K. Ohoyama, S. Okamoto, S. Ishihara, S. Maekawa and A. Nakamura, “Interrelation between the orbital polarization and magnetic structure in bilayer manganites.”, Phys. Rev. B59, R14153 - R14156 (1999)
11. R. Yamamoto, A. Machida, Y. Moritomo and A. Nakamura, ”Reconstruction of the electronic structure in half-metallic CoS₂”, Phys. Rev. B59, R7793 - R7796 (1999)
12. K. Takenaka, K. Iida, Y. Sawaki, S. Sugai and Y. Moritomo and A. Nakamura, “Optical spectra measured on cleaved surfaces of double-exchange ferromagnet La_1-xSr_xMnO₃”, phys. stat. sol. (b) 215, 637 - 641 (1999)
13. K. Takenaka, K. Iida, Y. Sawaki, S. Sugai and Y. Moritomo and A. Nakamura, “Optical reflectivity spectra measured on cleaved surfaces of La_1-xSr_xMnO₃: Evidence against extremely small drude weight”, J. Phys. Soc. Jpn., 68, 1828 - 1831 (1999)
14. M. Tokunaga, N. Miura and Y. Moritomo, “High-field study of Layered manganites R_1/2Sr_3/2MnO₄ (R = La and Nd)”, Aust. J. Phys., 52, 227 - 234 (1999)
15. T. Tokunaga, N. Miura, Y. Moritomo and Y. Tokura, “High-field magnetization and magnetoresistance of La_0.5Sr_1.5MnO₄”, Phys. Rev. B59, 11151 - 11154 (1999)
16. M. Kubota, H. Yoshizawa, Y. Moritomo, H. Fujioka, K. Hirota and Y. Endo,”Interplay of the CE-type charge ordering and the A-type spin ordering in a half-doped bilayer manganites LaSr₂Mn₂O₇”, J. Phys. Soc. Jpn., 68, 2202 - 2205 (1999)
17. M. Takata, E. Nishibori, K. Kato, M. Sakata and Y. Moritomo, ”Direct observation of orbital order in manganoites by MEM charge density study”, J. Phys. Soc. Jpn., 68, 2190 - 2193 (1999)
18. N. Fukumoto, S. Mori, N. Yamamoto, Y. Moritomo, T. Katsufuji C. H. Chen and S.-W. Cheong,, “Microscopic electronic phase separation and metal-insulator transition in Nd_1/2Sr_1/2MnO₃.”, Phys. Rec. B60, 12963 - 12967 (1999)
19. M. Kubota, H. Fujioka, K. Ohoyama, K. Hirota, Y. Moritomo, H. Yoshizawa and Y. Endoh, "Neutron scattering studied on magnetic structure of the double-layered mangantes La2-2xSr1+2xMn2O7 (0.30<x<0.5)", J. Phys. Chem. Solids 60, 1161-1164 (2000).
20. H. Fujioka, M. Kubota, K. Hirota, H. Yoshizawa, Y. Moritomo and Y. Endoh, " Spin dynamical properties of the layered perovskite La1.2Sr1.8Mn2O7", J. Phys. Chem. Solids 60, 1165-1168 (2000).