## Refereed papers in 2004

[502] |
"Anomalous Hall effect in Ca-doped SrRuO_{3} films"
R. Mathieu, A. Asamitsu, K. Takahashi, H. Yamada, M. Kawasaki, Z. Fang, N. Nagaosa, and Y. Tokura J. Magn. Magn. Mater., 272, E785 (2004) . |

[501] |
"Perturbed angular correlation study of Pr_{1−x}Ca_{x}MnO_{3}"
A. M. L. Lopes, J. P. Araujo, E. Rita, J. G. Correia, V. S. Amaral, Y. Tomioka, Y. Tokura, R. Suryanarayanan, and I. Collaboration J. Magn. Magn. Mater., 272, E1667 (2004) . |

[500] |
"Charge dynamics in underdoped Nd_{2-x}Ce_{x}CuO_{4}: Pseudogap and related phenomena"
Y. Onose, Y. Taguchi, K. Ishizaka and Y. Tokura, Phys. Rev. B, 69, 024504 (2004) . |

[499] |
"Magnetization-Induced Second Harmonic Generation in a Polar Ferromagnet"
Y. Ogawa, Y. Kaneko, J. P. He, X. Z. Yu, T. Arima and Y. Tokura, Phys. Rev. Lett., 92, 047401 (2004) . |

[498] |
"Fully gapped single-particle excitations in lightly doped cuprates"
K. M. Shen, T. Yoshida, D. H. Lu, F. Ronning, N. P. Armitage, W. S. Lee, X. J. Zhou, A. Damascelli, D. L. Feng, N. J. C. Ingle, H. Eisaki, Y. Kohsaka, H. Takagi, T. Kakeshita, S. Uchida, P. K. Mang, M. Greven, Y. Onose, Y. Taguchi, Y. Tokura, S. Komiya, Y. Ando, M. Azuma, M. Takano, A. Fujimori and Z. -X. Shen, Phys. Rev. B, 69, 054503 (2004) . |

[497] |
"Lattice effects of orbital and charge orderings in the perovskite manganite Pr_{1-x}Ca_{x}MnO_{3}"
H. Hazama, T. Goto, Y. Nemoto, Y. Tomioka, A. Asamitsu and Y. Tokura, Phys. Rev. B, 69, 064406 (2004) . |

[496] |
" Anisotropic optical spectra of doped manganites with pseudocubic perovskite structure"
K. Tobe, T. Kimura and Y. Tokura, Phys. Rev. B, 69, 014407 (2004) . |

[495] |
"X-Ray directional dichroism of a polar ferrimagnet"
M. Kubota, T. Arima, Y. Kneko, J. P. He, X. Z. Yu and Y. Tokura, Phys. Rev. Lett., 92, 137401 (2004) . |

[494] |
"Magnetic domain structure of a La_{0.7}Sr_{0.3}MnO_{3} (001) surface observed by a spin-polarized scanning electron microscope"
M. Konoto, T. Kohashi, K. Koike, T. Arima, Y. Kaneko, Y. Tomioka and Y. Tokura, Appl. Phys. Lett., 84, 2361 (2004) . |

[493] |
"Magnetic anisotropy control of SrRuO_{3} films by tunable epitaxial strain"
C. U. Jung, Hiroyuki Yamada, M. Kawasaki and Y. Tokura, Appl. Phys. Lett., 84, 2590 (2004) . |

[492] |
"Magnetic-field effect on static antiferromagnetic order above the upper critical field in Nd_{1.85}Ce_{0.15}CuO_{4}"
M. Matsuura, Pengcheng Dai, H. J. Kang, J. W. Lynn, D. N. Argyriou, Y. Onose and Y. Tokura, Phys. Rev. B, 69, 104510 (2004) . |

[491] |
"Resonant x-ray diffraction of the magnetoresistant perovskite Pr_{0.6}Ca_{0.4}MnO_{3}"
S. Grenier, J. P. Hill, Doon Gibbs, K. J. Thomas, M. v. Zimmermann, C. S. Nelson, V. Kiryukhin, Y. Tokura, Y. Tomioka, D. Casa, T. Gog and C. Venkataraman, Phys. Rev. B, 69, 134419 (2004) . |

[490] |
"Field-effect transistor based on KTaO_{3} perovskite"
K. Ueno, I. H. Inoue, T. Yamada, H. Akoh, Y. Tokura and H. Takagi, Appl. Phys. Lett., 84, 3726 (2004) . |

[489] |
"Gigantic anisotropic uniaxial pressure effect on superconductivity within the CuO_{2} plane of La_{1.64}Eu_{0.2}Sr_{0.16}CuO_{4}: Strain control of stripe criticality"
N. Takeshita, T. Sasagawa, T. Sugioka, Y. Tokura and H. Takagi, J. Phys. Soc. Jpn., 73, 1123-1126 (2004) . |

[488] |
"Commensurate-Incommensurate Crossover of Charge Stripe in La_{2-x}Sr_{x}NiO_{4} (x~1/3)"
K. Ishizaka, T. Arima, Y. Murakami, R. Kajimoto, H. Yoshizawa, N. Nagaosa and Y. Tokura, Phys. Rev. Lett., 92, 196404 (2004) . |

[487] |
"Structural and electronic properties of the ordered double perovskites A_{2}MReO_{6} (A=Sr, Ca; M=Mg, Sc, Cr, Mn, Fe, Co, Ni, Zn)"
H. Kato, T. Okuda, Y. Okimoto, Y. Tomioka, K. Oikawa, T. Kamiyama and Y. Tokura, Phys. Rev. B, 69, 184412 (2004) . |

[486] |
"Pressure-induced transition from a spin glass to an itinerant ferromagnet in the half-doped manganite L_{0.5}Ba_{0.5}MnO_{3} (L = Sm and Nd) with quenched disorder"
N. Takeshita, C. Terakura, D. Akahoshi, Y. Tokura and H. Takagi, Phys. Rev. B, 69, 180405 (2004) . |

[485] |
"Scaling of the Anomalous Hall Effect in Sr_{1-x}Ca_{x}RuO_{3}"
R. Mathieu, A. Asamitsu, H. Yamada, K. S. Takahashi, M. Kawasaki, Z. Fang, N. Nagaosa and Y. Tokura, Phys. Rev. Lett., 93, 016602 (2004) . |

[484] |
"Soft X-Ray Resonant Diffraction Study of Magnetic and Orbital Correlations in a Manganite Near Half Doping"
K. J. Thomas, J. P. Hill, S. Grenier, Y-J. Kim, P. Abbamonte, L. Venema, A. Rusydi, Y. Tomioka, Y. Tokura, D. F. McMorrow, G. Sawatzky and M. van Veenendaal, Phys. Rev. Lett., 92, 237204 (2004) . |

[483] |
"Ferroelectricity and Giant Magnetocapacitance in Perovskite Rare-Earth Manganites"
T. Goto, T. Kimura, G. Lawes, A. P. Ramirez and Y. Tokura, Phys. Rev. Lett., 92, 257201 (2004) . |

[482] |
"Atomic-scale characterization of perovskite superlattice using chemical lattice imaging and spatially resolved electron energy-loss spectroscopy"
K. Kimoto, Y. Matsui, H. Yamada, M. Kawasaki, X. Yu, Y. Kaneko and Y. Tokura, Appl. Phys. Lett., 84, 5374 (2004) . |

[481] |
"Chemical control of spin chirality in (Nd_{1-x}Dy_{x})_{2}Mo_{2}O_{7}"
S. Iguchi, D. Hashimoto, Y. Taguchi and Y. Tokura, Phys. Rev. B, 69, 220401 (2004) . |

[480] |
"Optical Magnetoelectric Effect in the Polar GaFeO_{3} Ferrimagnet"
J. H. Jung, M. Matsubara, T. Arima, J. P. He, Y. Kaneko and Y. Tokura, Phys. Rev. Lett., 93, 037403 (2004) . |

[479] |
"Engineered Interface of Magnetic Oxides"
H. Yamada, Y. Ogawa, Y. Ishii, H. Sato, M. Kawasaki, H. Akoh and Y. Tokura, Science, 305, 646 (2004) . |

[478] |
"Magnetic structure of TbMnO_{3} by neutron diffraction"
R. Kajimoto, H. Yoshizawa, H. Shintani, T. Kimura and Y. Tokura, Phys. Rev. B, 70, 012401 (2004) . |

[477] |
"Electronic structure of La_{2-2}xSr_{1+2x}Mn_{2}O_{7} studied by x-ray photoemission spectroscopy"
J. -Y. Son, T. Mizokawa, J. W. Quilty, S. Hirata, K. Takubo, T. Kimura and Y. Tokura, Phys. Rev. B, 70, 012411 (2004) . |

[476] |
"Global phase diagram of perovskite manganites in the plane of quenched disorder versus one-electron bandwidth"
Y. Tomioka and Y. Tokura, Phys. Rev. B, 70, 014432 (2004) . |

[475] |
"Linear and nonlinear optical properties of one-dimensional Mott insulators consisting of Ni-halogen chain and CuO-chain compounds"
M. Ono, K. Miura, A. Maeda, H. Matsuzaki, H. Kishida, Y. Taguchi, Y. Tokura, M. Yamashita and H. Okamoto, Phys. Rev. B, 70, 085101 (2004) . |

[474] |
"Structural and magnetoelectric properties of Ga_{2-x}Fe_{x}O_{3} single crystals grown by a floating-zone method"
T. Arima, D. Higashiyama, Y. Kaneko, J. P. He, T. Goto, S. Miyasaka, T. Kimura, K. Oikawa, T. Kamiyama, R. Kumai and Y. Tokura, Phys. Rev. B, 70, 064426 (2004) . |

[473] |
"Technique for bulk Fermiology by photoemission applied to layered ruthenates"
A. Sekiyama, S. Kasai, M. Tsunekawa, Y. Ishida, M. Sing, A. Irizawa, A. Yamasaki, S. Imada, T. Muro, Y. Saitoh, Y. Onuki, T. Kimura, Y. Tokura and S. Suga, Phys. Rev. B, 70, 060506 (2004) . |

[472] |
"Charge-orbital ordering near the multicritical point in A-site ordered perovskites SmBaMn_{2}O_{6} and NdBaMn_{2}O_{6}"
D. Akahoshi, Y. Okimoto, M. Kubota, R. Kumai, T. Arima, Y. Tomioka and Y. Tokura, Phys. Rev. B, 70, 064418 (2004) . |

[471] |
"Specific-heat study of the spin-structural change in pyrochlore Nd_{2}Mo_{2}O_{7}"
Y. Onose, Y. Taguchi, T. Ito and Y. Tokura, Phys. Rev. B, 70, 060401 (2004) . |

[470] |
"Direct Imaging of Temperature-Dependent Layered Antiferromagnetism of a Magnetic Oxide"
M. Konoto, T. Kohashi, K. Koike, T. Arima, Y. Kaneko, T. Kimura and Y. Tokura, Phys. Rev. Lett., 93, 107201 (2004) . |

[469] |
"Precipitate-free films of La_{1-x}Sr_{x}MnO_{3} grown on the substrates with artificial step edges"
Y. Ishii, H. Sato, A. Sawa, T. Yamada, H. Akoh, K. Endo, M. Kawasaki and Y. Tokura, Appl. Phys. Lett., 85, 3800 (2004) . |

[468] |
"Raman study of the metal-insulator transition in pyrochlore Mo oxides"
K. Taniguchi, T. Katsufuji, S. Iguchi, Y. Taguchi, H. Takagi and Y. Tokura, Phys. Rev. B, 70, 100401 (2004) . |

[467] |
"Evidence of negative spin polarization in ferromagnetic Sr 2FeMoO 6 as observed in a magnetic Compton profile study"
A. Deb, N. Hiraoka, M. Itou, Y. Sakurai, A. Koizumi, Y. Tomioka and Y. Tokura, Phys. Rev. B, 70, 104411 (2004) . |

[466] |
"Spectroscopic study of stripe pattern formation induced by current injection in a charge-transfer complex"
Y. Okimoto, R. Kumai, E. Saitoh, M. Izumi, S. Horiuchi and Y. Tokura, Phys. Rev. B, 70, 115104 (2004) . |

[465] |
"Magnetization-induced second-harmonic generation in magnetic semiconductor (Ga, Mn)As"
Y. Ogawa, H. Akinaga, F. Takano, T. Arima and Y. Tokura, J. Phys. Soc. Jpn., 73, 2389 (2004) . |

[464] |
"Third-order nonlinear susceptibility spectra of CuO chain compounds investigated by the Z-scan method"
A. Maeda, M. Ono, H. Kishida, T. Manako, A. Sawa, M. Kawasaki, Y. Tokura and H. Okamoto, Phys. Rev. B, 70, 125117 (2004) . |

[463] |
"Hysteretic current-voltage characteristics and resistance switching at a rectifying Ti/Pr_{0.7}Ca_{0.3}MnO_{3} interface"
A. Sawa, T. Fujii, M. Kawasaki and Y. Tokura, Appl. Phys. Lett., 85, 4073 (2004) . |

[462] |
"Photoinduced phase transition in tetrathiafulvalene-p-chloranil observed in femtosecond reflection spectroscopy"
H. Okamoto, Y. Ishige, S. Tanaka, H. Kishida, S. Iwai and Y. Tokura, Phys. Rev. B, 70, 165202 (2004) . |

[461] |
"Metallic Ferromagnet with Square-Lattice CoO 2 Sheets"
J. Matsuno, Y. Okimoto, Z. Fang, X. Z. Yu, Y. Matsui, N. Nagaosa, M. Kawasaki and Y. Tokura, Phys. Rev. Lett., 93, 167202 (2004) . |

[460] |
"Control of the ferroelectric properties of DyMn2O 5 by magnetic fields"
D. Higashiyama, S. Miyasaka, N. Kida, T. Arima and Y. Tokura, Phys. Rev. B, 70, 174405 (2004) . |

[459] |
"Colossal Magnetoresistance without Phase Separation: Disorder-Induced Spin Glass State and Nanometer Scale Orbital-Charge Correlation in Half Doped Manganites"
R. Mathieu, D. Akahoshi, A. Asamitsu, Y. Tomioka and Y. Tokura, Phys. Rev. Lett., 93, 227202 (2004) . |

[458] |
"Colossal electroresistance of a Pr_{0.7}Ca_{0.3}MnO_{3} thin film at room temperature"
A. Odagawa, H. Sato, I. H. Inoue, H. Akoh, M. Kawasaki, Y. Tokura, T. Kanno and H. Adachi, Phys. Rev. B, 70, 224403 (2004) . |

[457] |
"Orbital ordering near a Mott transition: Resonant x-ray scattering study of the perovskite Ti oxides RTiO_{3} and LaTiO_{3.02} (R = Gd, Sm, Nd, and La)"
M. Kubota, H. Nakao, Y. Murakami, Y. Taguchi, M. Iwama and Y. Tokura, Phys. Rev. B, 70, 245125 (2004) . |

[456] |
"Charge Dynamics Near the Electron-Correlation Induced Metal-Insulator Transition in Pyrochlore-Type Molybdates"
I. K\'ezsm\'arki, N. Hanasaki, D. Hashimoto, S. Iguchi, Y. Taguchi, S. Miyasaka and Y. Tokura, Phys. Rev. Lett., 93, 266401 (2004) . |