Refereed papers in 2009

[750] "Dimensional Crossover of Low-Energy Magnetic Excitation for Delafossite Oxide Cu1-xAgxCrO2 with a Spin-3/2 Antiferromagnetic Triangular Sublattice" T. Okuda, T. Kishimoto, K. Uto, T. Hokazono, Y. Onose, Y. Tokura, R. Kajimoto and M. Matsuda,
J. Phys. Soc. Jpn., 78, 013604 (2009) .
[749] "Dynamics of Multiferroic Domain Wall in Spin-Cycloidal Ferroelectric DyMnO3" F. Kagawa, M. Mochizuki, Y. Onose, H. Murakawa, Y. Kaneko, N. Furukawa and Y. Tokura,
Phys. Rev. Lett., 102, 057604 (2009) .
[748] "High-pressure V-51 NMR study of the magnetic phase diagram and metal-insulator transition in quasi-one-dimensional beta-Na0.33V2O5" T. Suzuki, I. Yamauchi, Y. Shimizu, M. Itoh, N. Takeshita, C. Terakura, H. Takagi, Y. Tokura, T. Yamauchi and Y. Ueda,
Phys. Rev. B, 79, 081101 (2009) .
[747] "Imaging of variation in charge/orbital/spin ordering structure in Sm1-xSrxMnO3 (x=0.55 and 0.6)" XZ. Yu, Y. Tomioka, T. Asaka, K. Kimoto, T. Arima, Y. Tokura and Y. Matsui,
Appl. Phys. Lett., 94, 082509 (2009) .
[746] "A Key for Photoinduced Insulator-Metal Transitions in Manganites: Lattice Constant Matching between Charge/Orbital Ordered Insulator and Ferromagnetic Metal" M. Matsubara, T. Ogasawara, Y. Tomioka, K. Tobe, H. Okamoto and Y. Tokura,
J. Phys. Soc. Jpn., 78, 023707 (2009) .
[745] "Ferroelectricity and polarity control in solid-state flip-flop supramolecular rotators" T. Akutagawa, H. Koshinaka, D. Sato, S. Takeda, SI. Noro, H. Takahashi, R. Kumai, Y. Tokura and T. Nakamura,
Nature Mater., 8, 342-347 (2009) .
[744] "Extrinsic anomalous Hall effect in charge and heat transport in pure iron, Fe0.997Si0.003, and Fe0.97Co0.03" Y. Shiomi, Y. Onose and Y. Tokura,
Phys. Rev. B, 79, 100404 (2009) .
[743] "Emergence of a Diffusive Metal State with No Magnetic Order near the Mott Transition in Frustrated Pyrochlore-Type Molybdates" S. Iguchi, N. Hanasaki, M. Kinuhara, N. Takeshita, C. Terakura, Y. Taguchi, H. Takagi and Y. Tokura,
Phys. Rev. Lett., 102, 136407 (2009) .
[742] "Unusual Hall Effect Anomaly in MnSi under Pressure" M. Lee, W. Kang, Y. Onose, Y. Tokura and NP. Ong,
Phys. Rev. Lett., 102, 186601 (2009) .
[741] "Ultrafast polarization and magnetization response of multiferroic GaFeO3 using time-resolved nonlinear optical techniques" M. Matsubara, Y. Kaneko, JP. He, H. Okamoto and Y. Tokura,
Phys. Rev. B, 79, 140411 (2009) .
[740] "Submicron-scale spatial feature of ultrafast photoinduced magnetization reversal in TbFeCo thin film" T. Ogasawara\, N. Iwata, Y. Murakami, H. Okamoto and Y. Tokura,
Appl. Phys. Lett., 94, 162507 (2009) .
[739] "Dynamical Disorder of \pi-Molecular Structures Induced by Proton Dynamics in an Organic Ferroelectric Compound" J. Fujioka, S. Horiuchi, F. Kagawa and Y. Tokura,
Phys. Rev. Lett., 102, 197601 (2009) .
[738] "Electric polarization induced by transverse magnetic field in the anisotropy-controlled conical helimagnet Ba2(Mg1-xZnx)2Fe12O22" S. Ishiwata, Y. Taguchi, Y. Tokunaga, H. Murakawa, Y. Onose and Y. Tokura,
Phys. Rev. B, 79, 180408 (2009) .
[737] "Resonant x-ray magnetoelectric effect in a centrosymmetric spinel oxide" M. Matsubara, Y. Shimada, K. Ohgushi, T. Arima and Y. Tokura,
Phys. Rev. B, 79, 180407 (2009) .
[736] "Systematics of electromagnons in the spiral spin-ordered states of RMnO3" JS. Lee, N. Kida, S. Miyahara, Y. Takahashi, Y. Yamasaki, R. Shimano, N. Furukawa and Y. Tokura,
Phys. Rev. B, 79, 180403 (2009) .
[735] "Proton-displacive ferroelectricity in neutral cocrystals of anilic acids with phenazine" S. Horiuchi, R. Kumai and Y. Tokura,
Journal of Materials Chemistry, 19, 4421 (2009) .
[734] "Anisotropy in the Lattice Dynamics in the Charge-Orbital Ordered Phase: a Raman Spectroscopic Study" YS. Lee, JP. He, Y. Kaneko, T. Arim, and Y. Tokura,
J. Korean Phys. Soc., 54, 2353 (2009) .
[733] "Far-infrared optical study of electromagnons and their coupling to optical phonons in Eu1-xYxMnO3 (x=0.1, 0.2, 0.3, 0.4, and 0.45)" Y. Takahashi, Y. Yamasaki, N. Kida, Y. Kaneko, T. Arima, R. Shimano and Y. Tokura,
Phys. Rev. B, 79, 214431 (2009) .
[732] "Unconventional Ferroelectric Transition in the Multiferroic Compound TbMnO3 Revealed by the Absence of an Anomaly in c-Polarized Phonon Dispersion" R. Kajimoto, H. Sagayama, K. Sasai, T. Fukuda, S. Tsutsui, T. Arima, K. Hirota, Y. Mitsui, H. Yoshizawa, A. Q. R. Baron, Y. Yamasaki and Y. Tokura,
Phys. Rev. Lett., 102, 247602 (2009) .
[731] "Composite domain walls in a multiferroic perovskite ferrite" Y. Tokunaga, N. Furukawa, H. Sakai, Y. Taguchi, T-h. Arima and Y. Tokura,
Nature Mater., 9, 558 (2009) .
[730] "Detecting charge and lattice dynamics in photoinduced charge-order melting in perovskite-type manganites using a 30-femtosecond time resolution" H. Matsuzaki, H. Uemura, M. Matsubara, T. Kimura, Y. Tokura and H. Okamoto,
Phys. Rev. B, 79, 235131 (2009) .
[729] "Control of the Anomalous Hall Effect by Doping in Eu1-xLaxTiO3 Thin Films" K. S. Takahashi, M. Onoda, M. Kawasaki, N. Nagaosa and Y. Tokura,
Phys. Rev. Lett., 103, 057204 (2009) .
[728] "Magnetic-Order-Induced Crystal Symmetry Lowering in ACr2O4 Ferrimagnetic Spinels" S. Bord\'acs, D. Varjas, I. K\'ezsm\'arki, G. Mih\'aly, L. Baldassarre, A. Abouelsayed, C. A. Kuntscher, K. Ohgushi and Y. Tokura,
Phys. Rev. Lett., 103, 077205 (2009) .
[727] "A compact surface decontamination system for surface-sensitive magnetic imaging" M. Konoto, H. Akoh and Y. Tokura,
Rev. Sci. Instrum., 80, 086101 (2009) .
[726] "Lattice-form-dependent orbital shape and charge disproportionation in charge- and orbital-ordered manganites" D. Okuyama, Y. Tokunaga, R. Kumai, Y. Taguchi, T. Arima and Y. Tokura,
Phys. Rev. B, 80, 064402 (2009) .
[725] "Tuning of Metal-Insulator Transition of Quasi-Two-Dimensional Electrons at Parylene/SrTiO3 Interface by Electric Field" H. Nakamura, H. Tomita, H. Akimoto, R. Matsumura, I. H. Inoue, T. Hasegawa, K. Kono, Y. Tokura and H. Takagi,
J. Phys. Soc. Jpn., 78, 083713 (2009) .
[724] "Anisotropic polarization-molecular skeleton coupled dynamics in proton-displacive organic ferroelectrics" J. Fujioka, S. Horiuchi, N. Kida, R. Shimano and Y. Tokura,
Phys. Rev. B, 80, 125134 (2009) .
[723] "Electric-Field Switching of a Magnetic Propagation Vector in a Helimagnet" H. Murakawa, Y. Onose and Y. Tokura,
Phys. Rev. Lett., 103, 147201 (2009) .
[722] "Electronic Self-Organization in the Single-Layer Manganite Pr1-xCa1+xMnO4" F. Ye, Songxue Chi, J. A. Fernandez-Baca, A. Moreo, E. Dagotto, J. W. Lynn, R. Mathieu, Y. Kaneko, Y. Tokura and Pengcheng Dai,
Phys. Rev. Lett., 103, 167202 (2009) .
[721] "Epitaxial-strain effect on charge/orbital order in Pr0.5Ca0.5MnO3 films" D. Okuyama, M. Nakamura, Y. Wakabayashi, H. Itoh, R. Kumai, H. Yamada, Y. Taguchi, T. Arima, M. Kawasaki and Y. Tokura,
Appl. Phys. Lett., 95, 152502 (2009) .
[720] "Impact of Bicritical Fluctuation on Magnetocaloric Phenomena in Perovskite Manganites" H. Sakai, Y. Taguchi and Y. Tokura,
J. Phys. Soc. Jpn., 78, 113708 (2009) .
[719] "Magnetic and electronic properties of Eu1-xSrxMnO3 (0.3 Y. Tomioka, R. Kumai, T. Ito and Y. Tokura,
Phys. Rev. B, 80, 174414 (2009) .
[718] "Magnetic Digital Flop of Ferroelectric Domain with Fixed Spin Chirality in a Triangular Lattice Helimagnet" S. Seki, H. Murakawa, Y. Onose and Y. Tokura,
Phys. Rev. Lett., 103, 237601 (2009) .
[717] "Nematic-to-Smectic Transition of Magnetic Texture in Conical State" M. Takeda, Y. Endoh, K. Kakurai, Y. Onose, J. Suzuki and Y. Tokura,
J. Phys. Soc. Jpn., 78, 093704 (2009) .
[716] "Novel Multiferroic State of Eu1-xYxMnO3 in High Magnetic Fields" M. Tokunaga, Y. Yamasaki, Y. Onose, M. Mochizuki, N. Furukawa and Y. Tokura,
Phys. Rev. Lett., 103, 187202 (2009) .
[715] "Optical conductivity and x-ray absorption spectra of the Mott-Hubbard compounds RVO3 (R = Sr, Ca, La, and Y)" R. J. O. Mossanek, M. Abbate, P. T. Fonseca, A. Fujimori, H. Eisaki, S. Uchida and Y. Tokura,
Phys. Rev. B, 80, 195107 (2009) .
[714] "Phase competition and long-period charge/orbital ordering in the overdoped distorted perovskite manganites R1-xSrxMnO3" Y. Tomioka, X. Z. Yu, T. Ito, Y. Matsui and Y. Tokura,
Phys. Rev. B, 80, 094406 (2009) .
[713] "Quantum magnetoelectric effect in iron garnet" Y. Yamasaki, Y. Kohara and Y. Tokura,
Phys. Rev. B, 80, 140412(R) (2009) .
[712] "Terahertz time-domain spectroscopy of electromagnons in multiferroic perovskite manganites [Invited]" N. Kida, Y. Takahashi, J. S. Lee, R. Shimano, Y. Yamasaki, Y. Kaneko, S. Miyahara, N. Furukawa, T. Arima and Y. Tokura,
J. Opt. Soc. Am. B-Optical Physics, 26, A35-A51 (2009) .
[711] "Thermoelectric Properties of Electron-Doped KTaO3" A. Sakai, T. Kanno, S. Yotsuhashi, H. Adachi and Y. Tokura,
Jpn. J. Appl. Phys., 48, 097002 (2009) .
[710] "Transient electronic structure of the photoinduced phase of Pr0.7Ca0.3MnO3 probed with soft x-ray pulses" M. Rini, Y. Zhu, S. Wall, R. I. Tobey, H. Ehrke, T. Garl, J. W. Freeland, Y. Tomioka, Y. Tokura, A. Cavalleri and R. W. Schoenlein,
Phys. Rev. B, 80, 155113 (2009) .
[709] "Lattice dynamics in the ab- and bc-spiral spin-ordered states of perovskite manganites" J. S. Lee, N. Kida, Y. Yamasaki, R. Shimano and Y. Tokura,
Phys. Rev. B, 80, 134409 (2009) .
[708] "Charge-ordering-induced polar domains and domain walls in a bilayered manganite Pr(Sr0.15Ca0.85)Mn2O7" H. Itoh, Y. Tokunaga, N. Kida, R. Shimano and Y. Tokura,
Appl. Phys. Lett., 96, 032902 (2009) .
[707] "Electric-dipole-active magnetic resonance in the conical-spin magnet Ba2Mg2Fe12O22" N. Kida, D. Okuyama, S. Ishiwata, Y. Taguchi, R. Shimano, K. Iwasa, T. Arima and Y. Tokura,
Phys. Rev. B, 80, 220406(R) (2009) .
[706] "Optical Probe for Anomalous Hall Resonance in Ferromagnets with Spin Chirality" S. Iguchi, S. Kumakura, Y. Onose, S. Bord\'acs, I. K\'ezsm\'arki, N. Nagaosa and Y. Tokura,
Phys. Rev. Lett., 103, 267206 (2009) .
[705] "Layer-by-layer growth and magnetic properties of Y3Fe5O12 thin films on Gd3Ga5O12" Y. Krockenberger, K. -S. Yun, T. Hatano, S. Arisawa, M. Kawasaki and Y. Tokura,
J. Appl. Phys., 106, 123911 (2009) .