## Refereed papers in 1993

[121] |
"High pressure study on the superconducting transition temperature and Hall coefficient of Ba_{1-x}K_{x}BiO_{3} up to 8 GPa"
H. Takahashi, N. Mori, Y. Nagata, S. Nakamura, T. Uchida, J. Akimitsu, and Y. Tokura Physica C , 210, 485 (1993) . |

[120] |
"Optical spectra of Pr_{2-x}Ce_{x}CuO_{4-d} crystals: Evolution of ingap states with electron-dopin"
T. Arima, Y. Tokura and S. Uchida, Phys. Rev. B, 48, 6597-6603 (1993) . |

[119] |
"Change of electronic structures with carrier-doping in highly correlated electron systems Y_{1-x}Ca_{x}TiO_{3}"
Y. Taguchi, Y. Tokura, T. Arima and F. Inaba, Phys. Rev. B, 48, 511 (1993) . |

[118] |
"Optical spectra of Y_{1-x}Ca_{x}VO_{3}: Change of electronic structures with hole doping in Mott-Hubbard insulators"
K. Kasuya, Y. Tokura, T. Arima, H. Eisaki and S. Uchida, Phys. Rev. B, 47, 6197 (1993) . |

[117] |
"Preparation and characterization of highly oriented films of poly (di-n-hexylsilane)"
H. Tachibana, M. Matsumoto and Y. Tokura, Macromolecules, 26, 2520 (1993) . |

[116] |
"Spectra of one-dimensional excitons in polysilanes with various backbone conformations"
H. Tachibana, M. Matsumoto, Y. Tokura, Y. Moritomo, A. Yamaguchi, S. Koshihara, R. D. Miller and S. Abe, Phys. Rev. B, 47, 8752 (1993) . |

[115] |
"Quantum phase transition in K_{3}D_{1-x}H_{x}(SO_{4})_{2}"
Y. Moritomo, Y. Tokura, N. Nagaosa, T. Suzuki and K. Kumagai, Phys. Rev. Lett., 71, 2833-2836 (1993) . |

[114] |
"Variation of optical gaps in perovskite-type 3d transition metal oxides"
T. Arima, Y. Tokura and J. B. Trrance, Phys. Rev. B, 48, 17006 (1993) . |

[113] |
"Dispersion relation in the third-order electric susceptibillty for polysilane film"
H. Kishida, T. Hasegawa, Y. Iwasa, T. Koda and Y. Tokura, Phys. Rev. Lett., 70, 3724 (1993) . |

[112] |
"Pressure effect on the optical gap transition in a Peierls-Hubbard system: Pottasium-tetracyanoquinodimethane"
S. Yamaguchi, Y. Moritomo and Y. Tokura, Phys. Rev. B, 48, 6654 (1993) . |

[111] |
"Berely metallic state with enhanced carrier mass in Y_{1-x}Ca_{x}TiO_{3}"
Y. Tokura, Y. Taguchi, Y. Moritomo, K. Kumagai, T. Suzuki and Y. Iye, Phys. Rev. B, 48, 14063 (1993) . |

[110] |
"Doping-and pressure-induced change of electrical and magnetic properties in Mott-Hubbard insulator LaTiO_{3}"
Y. Okada, T. Arima, Y. Tokura, C. Murayama and N. Mori, Phys. Rev. B, 48, 9677 (1993) . |

[109] |
"Metal-insulator transition in La_{1-x}Sr_{x}TiO_{3} and Y_{1-x}Ca_{x}TiO_{3} investigated by specific heat measurements"
K. Kumagai, T. Suzuki, Y. Taguchi, Y. Okada, Y. Fujishima and Y. Tokura, Phys. Rev. B, 48, 7636 (1993) . |

[108] |
"Filling dependence of electronic properties on the verge of metal-Mott insulator transition in Sr_{1-x}La_{x}TiO_{3}"
Y. Tokura, Y. Taguchi, Y. Okada, Y. Fujishima, T. Arima, K. Kumagai and Y. Iye, Phys. Rev. Lett., 70, 2126-2129 (1993) . |

[107] |
"Symmetry-dependent electronic Raman scatering in Ls_{2-x}Sr_{x}CuO_{4}: Evidence for doping-induced change in the k-space anisotropy of charge dynamics"
T. Katsufuji, Y. Tokura, T. Ido and S. Uchida, Phys. Rev. B, 48, 16131-16134 (1993) . |