## Refereed papers in 1997

[208] |
"Experimental determination of excitonic structure in polythiophene"
K. Sakurai, H. Tachibana, N. Shiga, C. Terakura, M. Matsumoto, and Y. Tokura, Phys. Rev. B, 56, 9552-9556 (1997) . |

[207] |
"Temperature dependence of the electronic structure of the charge-ordering manganite Pr_{0.5}Sr_{0.5}MnO_{3}"
A. Chainani, H. Kumigashira, T. Takahashi, Y. Tomioka, H. Kuwahara, and Y. Tokura, Phys. Rev. B, 56, R15513-R15516 (1997) . |

[206] |
"Enhanced electron-lattice coupling in La_{1-x}Sr_{x}MnO_{3} near the metal-insulator phase boundary"
Y. Moritomo, A. Asamitsu, and Y. Tokura, Phys. Rev. B, 56, 12190-12195 (1997) . |

[205] |
"Pressure-enhanced interplane tunneling magnetoresistance in a layered manganite crystal"
T. Kimura, A. Asamitsu, Y. Tomioka, and Y. Tokura, Phys. Rev. Lett., 79, 3720-3723 (1997) . |

[204] |
"Spatial properties of the photoinduced transition in Pr_{0.7}Ca_{0.3}MnO_{3}"
T. Mori, K. Ogawa, K. Yohida, K. Miyano, Y. Tomioka, and Y. Tokura, J. Phys. Soc. Jpn., 66, 3570-3576 (1997) . |

[203] |
"Pressure-Induced Polaronic to Itinerant Electronic Transition in La_{1-x}Sr_{x}MnO_{3} Crystals"
J. -S. Zhou, J. B. Goodenough, A. Asamitsu, and Y. Tokura, Phys. Rev. Lett., 79, 3234-3237 (1997) . |

[202] |
"Transport and magnetic properties of a Mott-Hubbard system whose bandwidth and band filling are both controllable: R_{1-x}Ca_{x}TiO_{3+y/2}"
T. Katsufuji, Y. Taguchi, and Y. Tokura, Phys. Rev. B, 56, 10145-10153 (1997) . |

[201] |
"Charge ordered states in La_{1-x}Sr_{x}FeO_{3}"
J. Q. Li, Y. Matsui, S. K. Park, and Y. Tokura, Phys. Rev. Lett., 79, 297-300 (1997) . |

[200] |
"Spin-charge-lattice coupled phase transitions in bandwidth-controlled systems: (Nd, Sm)_{1/2}Sr_{1/2}MnO_{3}"
H. Kuwahara, Y. Moritomo, Y. Tomioka, A. Asamitsu, M. Kasai, R. Kumai, and Y. Tokura, Phys. Rev. B, 56, 9386-9396 (1997) . |

[199] |
"Critical change of magnetoresistance with bandwidth and doping in perovskite manganites"
Y. Tomioka, H. Kuwahara, A. Asamitsu, M. Kasai, and Y. Tokura, Appl. Phys. Lett., 70, 3609-3611 (1997) . |

[198] |
"Current-switching of resistive states in colossal magnetoresistive oxides"
A. Asamitsu, Y. Tomioka, H. Kuwahara, and Y. Tokura, Nature, 388, 50-52 (1997) . |

[197] |
"Photo-induced insulator-to-metal transition in a perovskite manganite"
K. Miyano, T. Tanaka, Y. Tomioka, and Y. Tokura, Phys. Rev. Lett., 78, 4257-4260 (1997) . |

[196] |
"Magnetic ordering and relation to the metal-insulator transition in Pr_{1-x}Sr_{x}MnO_{3} and Nd_{1-x}Sr_{x}MnO_{3} with x~1/2"
H. Kawano, R. Kajimoto, H. Yoshizawa, Y. Tomioka, h. Kuwahara, and Y. Tokura, Phys. Rev. Lett., 78, 4253-4256 (1997) . |

[195] |
"An X-ray insulator-to-matal transition in a colossal-magnetoresistance manganite"
V. Kiryukhin, D. Casa, J. P. Hill, B. Keimer, A. Vigliante, Y. Tomioka, and Y. Tokura, Nature, 386, 813-815 (1997) . |

[194] |
"Antiferromagnetic short range order in a two-dimensional manganite exhibiting giant magnetoresistance"
T. G. Perring, G. Aeppli, Y. Moritomo, and Y. Tokura, Phys. Rev. Lett., 78, 3197-3200 (1997) . |

[193] |
"Pressure effects on charge-ordering transitions in perovskite manganites"
Y. Moritomo, H. Kuwahara, Y. Tomioka, and Y. Tokura, Phys. Rev. B, 55, 7549-7556 (1997) . |

[192] |
"Bandwidth-and doping-dependent pressure effect on the ferromagnetic transition in perovskite manganites"
Y. Moritomo, H. Kuwahara, and Y. Tokura, J. Phys. Soc. Jpn., 66, 556-559 (1997) . |

[191] |
"Local lattice-distortion during spin-state transition in LaCoO_{3}"
S. Yamaguchi, Y. Okimoto, and Y. Tokura, Phys. Rev. B, 55, R8666-R8670 (1997) . |

[190] |
"Variation of electronic structure in La_{1-x}Sr_{x}MnO_{3} (0Phys. Rev. B, 55, 4206-4214 (1997) . |

[189] |
"Bandwidth-control-induced insulator-metal transition in Pr_{0.65}(Ca_{1-y}Sr_{y})_{0.35}MnO_{3} and Pr_{0.7}Ca_{0.3}MnO_{3}"
H. Yoshizawa, R. Kajimoto, H. Kawano, Y. Tomioka, and Y. Tokura, Phys. Rev. B, 55, 2729-2732 (1997) . |

[188] |
"Reentrant transition of the charge-ordered state in perovskite manganites"
Y. Tomioka, A. Asamitsu, H. Kuwahara, and Y. Tokura, J. Phys. Soc. Jpn., 66, 302-305 (1997) . |