Refereed papers in 1990

[83] "Magnetic order and electronic phase diagrams of electron-doped copper oxide materials" G. M. Luke, L. P. Le, B. J. Sternlieb, Y. J. Uemura, J. H. Brewer, R. Kadono, R. F. Kiefl, S. R. Kreitzman, T. M. Riseman, C. E. Stronach, M. R. Davis, S. Uchida, H. Takagi, Y. Tokura, Y. Hidaka, T. Murakami, J. Gopalakrishnan, A. W. Sleight, M. A. Subramanian, E. A. Early, J. T. Markert, M. B. Maple, and C. L. Seaman
Phys. Rev. B , 42, 7981 (1990) .
[82] "Resonant-photoemission study of Nd2-xCexCuO4" H. Namatame, A. Fujimori, Y. Tokura, M. Nakamura, K. Yamaguchi, A. Misu, H. Matsubara, S. Suga, H. Eisaki, T. Ito, H. Takagi, and S. Uchida
Phys. Rev. B , 41, 7205 (1990) .
[81] "Sr-induced oxygen defect in La2-xSrxCuO4-d" T. Kamiyama, F. Izumi, H. Asano, H. Takagi, S. Uchida, Y. Tokura, E. Takayama, E. Muromachi, M. Matsuda, K. Yamada, Y. Endoh and Y. Hidaka,
Physica C, 172, 120 (1990) .
[80] "Temperature induced neutral-ionic transition in tetramethylbenzidine-tetracyanoquinodimethane" Y. Iwasa, T. Koda, Y. Tokura, A. Kobayashi, N. Iwasawa and G. Saito,
Phys. Rev. B, 42, 2374 (1990) .
[79] "Sensitization of photochromism in polydiacetylene films by phthalocyanine layer" K. Fukagai, K. Ishikawa, T. Kanetake, T. Koda, S. Koshihara and Y. Tokura,
Jpn. J. Appl. Phys., 29, 977 (1990) .
[78] "Photo-induced valence instability in organic molecular compound tetrathiafulvalene (TTF)-chloranil" S. Koshihara, Y. Tokura, T. Mitani, G. Saito and T. Koda,
Phys. Rev. B, 42, 6853 (1990) .
[77] "Exciton states of polysilanes as investigated by electro-absorption spectra" H. Tachibana, Y. Kawabata, S. Koshihara and Y. Tokura,
Solid State Commun., 75, 5 (1990) .
[76] "Reversible and irreversible thermochromic phase transition in single crystals of polydiacetylenes substituted with alkyl-urethanes" S. Koshihara, Y. Tokura, K. Takeda, T. Koda and A. Kobayashi,
J. Chem. Phys., 92, 7581 (1990) .
[75] "Asymmetric-to-centrosymmetric structure change of molecules in squaric acid crystal" Y. Moritomo, S. Koshihara and Y. Tokura,
J. Chem. Phys., 93, 5429 (1990) .
[74] "Cu K-edge X-ray-absorption near-edge structure and electronic structure of Nd2-xCeCuO4" N. Kosugi, Y. Tokura, H. Takagi and S. Uchida,
Phys. Rev. B, 41, 131 (1990) .
[73] "Antiferromagnetic nuclear resonance of Cu in Nd2CuO4" Y. Yoshinari, H. Yasuoka, T. Shimazu, H. Takagi, Y. Tokura and S. Uchida,
J. Phys. Soc. Jpn., 59, 36-39 (1990) .
[72] "Single-crystal x-ray analysis of new oxide-superconductor Bi2(Sr1-xLnx)2(Gd1-yCey)2Cu2O10+z" I. Nakai, K. Imai, T. Arima, Y. Tokura, H. Asano, H. Takagi, S. Uchida, R. B. Beyers, J. B. Torrance,
Jpn. J. Appl. Phys., 29, L572 (1990) .
[71] "Optical phonons in copper oxides with a single CuO2 plane" S. Tajima, S. Uchida, S. Ishibashi, T. Ido, H. Takagi, T. Arima and Y. Tokura,
Physica C, 168, 117 (1990) .
[70] "Extended family of new Bi-2222 superconducting cuprates" T. Arima, Y. Tokura, H. Takagi, S. Uchida, R. Beyers and J. B. Torrance,
Physica C, 168, 79 (1990) .
[69] "Electronic structure of the electron-doped superconductor Nd2-xCexCuO4-y studied by photoemission spectroscopy" A. Fujimori, Y. Tokura, E. Eisaki, H. Takagi, S. Uchida, E. Takayama and E. Muromachi,
Phys. Rev. B, 42, 325-328 (1990) .
[68] "New classification method for CuO2-layered compounds and its application to design of new high Tc superconductors" Y. Tokura, and T. Arima,
Jpn. J. Appl. Phys., 29, 2388-2402 (1990) .
[67] "Cu-O network dependence of optical charge-transfer gaps and spin-pair excitations in single-CuO2 layer compounds, Tc superconductor-related compounds" Y. Tokura, S. Koshihara, T. Arima, H. Takagi, T. Ido, S. Ishibashi and S. Uchida,
Phys. Rev. B, 41, 11657 (1990) .