Refereed papers in 2011

[828] "Competition between instabilities of Peierls transition and Mott transition in W-doped VO2 thin films" E. Sakai, K. Yoshimatsu, K. Shibuya, H. Kumigashira, E. Ikenaga, M. Kawasaki, Y. Tokura and M. Oshima,
Phys. Rev. B., 84, 195132 (2011) .
[827] "Nonlinear phononics as an ultrafast route to lattice control" M. Forst, C. Manzoni, S. Kaiser, Y. Tomioka, Y. Tokura, R. Merlin and A. Cavalleri,
Nat. Phys., 7, 854 (2011) .
[826] "Diffusive charge transport with strongly renormalized carrier mass in hole-doped Mott insulators (Y1−xCdx)2Mo2O7 with frustrated pyrochlore lattice" S. Iguchi, Y. Kumano, K. Ueda, S. Kumakura, and Y. Tokura,
Phys. Rev. B., 84, 174416 (2011) .
[825] "X-ray induced insulator-metal transition in a thin film of electron-doped VO2" K. Shibuya, D. Okuyama, R. Kumai, Y. Yamasaki, H. Nakao, Y. Murakami, Y. Taguchi, T. Arima, M. Kawasaki and Y. Tokura
Phys. Rev. B, 84, 165108 (2011) .
[824] "Magnetoelectric resonance with electromagnons in a perovskite helimagnet" Y. Takahashi, R. Shimano, Y. Kaneko, H. Murakawa and Y. Tokura,
Nat. Phys., 8, 121 (2011) .
[823] "Symmetry and Structure of Multiferroic Ba2CoGe2O7" V. Hutanu, A. Sazonov, H. Murakawa, Y. Tokura, B. Nafradi, and D. Chernyshov
Phys. Rev. B, 84, 212101 (2011) .
[822] "Orbital characters of three-dimensional Fermi surfaces in Eu2-xSrxNiO4 as probed by soft-x-ray angle-resolved photoemission spectroscopy" M. Uchida, K. Ishizaka, P. Hansmann, X. Yang, M. Sakano, J. Miyawaki, R. Arita, Y. Kaneko, Y. Takata, M. Oura, A. Toschi, K. Held, A. Chainani, O. K. Andersen, S. Shin and Y. Tokura,
Phys. Rev. B, 84, 241109 (2011) .
[821] "Complex magnetism and magnetic-field-driven electrical polarization of Co3TeO6" M. Hudl, R. Mathieu, S. A. Ivanov, M. Weil, V. Carolus, Th. Lottermoser, M. Fiebig, Y. Tokunaga, Y. Taguchi, Y. Tokura and P. Nordblad,
Phys. Rev. B, 84, 180404 (2011) .
[820] "High-Pressure Hydrothermal Crystal Growth and Multiferroic Properties of a Perovskite YMnO3" S. Ishiwata, Y. Tokunaga, Y. Taguchi and Y. Tokura,
J. Am. Chem. Soc., 133, 13818 (2011) .
[819] "Displacement-Type Ferroelectricity with Off-Center Magnetic Ions in Perovskite Sr1-xBaxMnO3" H. Sakai, J. Fujioka, T. Fukuda, D. Okuyama, D. Hashizume, F. Kagawa, H. Nakao, Y. Murakami, T. Arima, A. Q. R. Baron, Y. Taguchi and Y. Tokura,
Phys. Rev. Lett., 107, 137601 (2011) .
[818] "Optical Response of Relativistic Electrons in the Polar BiTeI Semiconductor" J. S. Lee, G. A. H. Schober, M. S. Bahramy, H. Murakawa, Y. Onose, R. Arita, N. Nagaosa and Y. Tokura,
Phys. Rev. Lett., 107, 117401 (2011) .
[817] "Ferrimagnetism and spontaneous ordering of transition metals in double perovskite La2CrFeO6 films" S. Chakraverty, A. Ohtomo, D. Okuyama, M. Saito, M. Okude, R. Kumai, T. Arima, Y. Tokura, S. Tsukimoto, Y. Ikuhara and M. Kawasaki,
Phys. Rev. B, 84, 064436 (2011) .
[816] "Multiferroicity in NiBr2 with long-wavelength cycloidal spin structure on a triangular lattice" Y. Tokunaga, D. Okuyama, T. Kurumaji, T. Arima, H. Nakao, Y. Murakami, Y. Taguchi and Y. Tokura,
Phys. Rev. B, 84, 060406 (2011) .
[815] "Common Origin of the Circular-Dichroism Pattern in Angle-Resolved Photoemission Spectroscopy of SrTiO3 and CuxBi2Se3" Y. Ishida, H. Kanto, A. Kikkawa, Y. Taguchi, Y. Ito, Y. Ota, K. Okazaki, W. Malaeb, M. Mulazzi, M. Okawa, S. Watanabe, C.-T. Chen, M. Kim, C. Bell, Y. Kozuka, H.Y. Hwang, Y. Tokura and S. Shin,
Phys. Rev. Lett., 107, 077601 (2011) .
[814] "Mott insulator to metal transition in filling-controlled SmMnAsO1-x" Y. Shiomi, S. Ishiwata, Y. Taguchi and Y. Tokura,
Phys. Rev. B, 84, 054519 (2011) .
[813] "Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3" D. Okuyama, S. Ishiwata, Y. Takahashi, K. Yamauchi, S. Picozzi, K. Sugimoto, H. Sakai, M. Takata, R. Shimano, Y. Taguchi, T. Arima and Y. Tokura,
Phys. Rev. B, 84, 054440 (2011) .
[812] "Spectral dependence of photoinduced spin precession in DyFeO3" R. Iida, T. Satoh, T. Shimura, K. Kuroda, B. A. Ivanov, Y. Tokunaga and Y. Tokura,
Phys. Rev. B, 84, 064402 (2011) .
[811] "Pulsed laser deposition and ionic liquid gate control ofepitaxial Bi2Se3 thin films" Y. Onose, R. Yoshimi, A. Tsukazaki, H. Yuan, T. Hidaka, Y. Iwasa, M. Kawasaki and Y. Tokura,
Applied Physics Express, 4, 083001 (2011) .
[810] "Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO3" S. Ishiwata, M. Tokunaga, Y. Kaneko, D. Okuyama, Y. Tokunaga, S. Wakimoto, K. Kakurai, T. Arima, Y. Taguchi and Y. Tokura,
Phys. Rev. B, 84, 054427 (2011) .
[809] "Polar distortions in hydrogen-bonded organic ferroelectrics" A. Stroppa, D. Di Sante, S. Horiuchi, Y. Tokura, D. Vanderbilt and S. Picozzi,
Phys. Rev. B, 84, 014101 (2011) .
[808] "Interfacial Structure of Manganite Superlattice" Y. Yamasaki, D. Okuyama, M. Nakamura, T. Arima, M. Kawasaki, Y. Tokura, T. Kimura and Y. Wakabayashi,
J. Phys. Soc. Jpn., 84, 073601 (2011) .
[807] "Giant Rashba-type spin splitting in bulk BiTeI" K. Ishizaka, M. S. Bahramy, H. Murakawa, M. Sakano, T. Shimojima, T. Sonobe, K. Koizumi, S. Shin, H. Miyahara, A. Kimura, K. Miyamoto, T. Okuda, H.Namatame, M. Taniguchi, R. Arita, N. Nagaosa, K. Kobayashi, Y. Murakami, R. Kumai, Y. Kaneko, Y. Onose and Y. Tokura,
Nature Mater., 10, 521-526 (2011) .
[806] "Hydrogen-Bonding Molecular Chains for High-Temperature Ferroelectricity" S. Horiuchi, R. Kumai and Y. Tokura,
Adv. Mater., 23, 2098-2103 (2011) .
[805] "Terahertz Faraday rotation induced by an anomalous Hall effect in the itinerant ferromagnet SrRuO3" R. Shimano, Y. Ikebe, K. S. Takahashi, M. Kawasaki, N. Nagaosa and Y. Tokura,
Europhys. Lett., 95, 17002 (2011) .
[804] "Synthesis of cubic SrCoO3 single crystal and its anisotropic magnetic and transport properties" Y. Long Y. Kaneko S. Ishiwata Y. Taguchi and Y. Tokura,
J. Phys. Cond. Mat., 23, 245601 (2011) .
[803] "Single-crystalline Sr2MoO4 films as prepared by pulsed laser deposition" A. Radetinac, K.S. Takahashi, L. Alff, M. Kawasaki and Y. Tokura,
Journal of Crystal Growth, 322, 38-40 (2011) .
[802] "Thermoelectric response in the incoherent transport region near Mott transition: The case study of La1-xSrxVO3" M. Uchida, K. Oishi, M. Matsuo, W. Koshibae, Y. Onose, M. Mori, J. Fujioka, S. Miyasaka, S. Maekawa, and Y. Tokura,
Phys. Rev. B, 83, 165127 (2011) .
[801] "Ferromagnetic Enhancement of CE-Type Spin Ordering in (Pr,Ca)MnO3" S.Y. Zhou, Y. Zhu, M. C. Langner, Y.-D. Chuang, P. Yu, W. L. Yang, A. G. Cruz Gonzalez, N. Tahir, M. Rini, Y.-H. Chu, R. Ramesh, D.-H. Lee, Y. Tomioka, Y. Tokura, Z. Hussain and R.W. Schoenlein,
Phys. Rev. Lett., 106, 186404 (2011) .
[800] "Large Topological Hall Effect in a Short-Period Helimagnet MnGe" N. Kanazawa, Y. Onose, T. Arima, D. Okuyama, K. Ohoyama, S. Wakimoto, K. Kakurai, S. Ishiwata and Y. Tokura,
Phys. Rev. Lett., 106, 156603 (2011) .
[799] "Magnetic-Field Induced Competition of Two Multiferroic Orders in a Triangular-Lattice Helimagnet MnI2" T. Kurumaji, S. Seki, S. Ishiwata, H. Murakawa, Y. Tokunaga, Y. Kaneko and Y. Tokura,
Phys. Rev. Lett., 106, 167206 (2011) .
[798] "Multiferroicity in an orthorhombic YMnO3 single-crystal film" M. Nakamura, Y. Tokunaga, M. Kawasaki and Y. Tokura,
Appl. Phys. Lett., 98, 082902 (2011) .
[797] "Structural and magnetic phase transitions of the orthovanadates RVO 3 (R = Dy, Ho, Er) as seen via neutron diffraction" M. Reehuis, C. Ulrich, K. Prokes, S. Matas, J. Fujioka, S. Miyasaka, Y. Tokura and B. Keimer,
Phys. Rev. B, 83, 064404 (2011) .
[796] "Optical characterization of spin-charge-orbital orders in Pr(Sr1-yCay)2Mn2O7" I. Ishii, Y. Tokunaga, J. Fujioka, Y. Onose, and Y. Tokura,
Phys. Rev. B, 82, 245103 (2011) .
[795] "Photoinduced transition from Mott insulator to metal in the undoped cuprates Nd2CuO4 and La2CuO4" H. Okamoto, T. Miyagoe, K. Kobayashi, H. Uemura, H. Nishioka, H. Matsuzaki, A. Sawa and Y. Tokura,
Phys. Rev. B, 83, 125102 (2011) .
[794] "Doping control and thermoelectric properties in R1-xAxZnSbO (R= La, Ce; A=Ca, Sr)" T. Suzuki, M. S. Bahramy, R. Arita, Y. Taguchi and Y. Tokura,
Phys. Rev. B, 83, 035204 (2011) .
[793] "Imaging oxygen defects and their motion at a manganite surface" B. Bryant, Ch. Renner, Y. Tokunaga, Y. Tokura and G. Aeppli,
Nature Comm., 2, 212 (2011) .
[792] "Gigantic terahertz magnetochromism via electromagnons in the hexaferrite magnet Ba2Mg2Fe12O22" N. Kida, S. Kumakura, S. Ishiwata, Y. Taguchi and Y. Tokura,
Phys. Rev. B, 83, 064422 (2011) .
[791] "Large magnetoresistance and spin-polarized heavy-mass electron state of the doped valence-bond solid (Ti1-xVx)2O3" M. Uchida, Y. Onose and Y. Tokura,
Phys. Rev. B, 83, 052404 (2011) .
[790] "Enhanced Directional Dichroism of Terahertz Light in Resonance with Magnetic Excitations of the Multiferroic Ba2CoGe2O7 Oxide Compound" I. Kézsmárki, N. Kida, H. Murakawa, S. Bordács, Y. Onose, and Y. Tokura
Phys. Rev. Lett., 106, 057403 (2011) .
[789] "Effect of Spin Dilution on the Magnetic State of Delafossite CuCrO2 with an S = 3/2 Antiferromagnetic Triangular Sublattice" T. Okuda, K. Uto, S. Seki, Y. Onose, Y. Tokura, R. Kajimoto and M. Matsuda,
J. Phys. Soc. Jpn., 80, 014711 (2011) .
[788] "Relaxation dynamics of multiferroic domain walls in DyMnO3 with cycloidal spin order" F. Kagawa, Y. Onose, Y. Kaneko and Y. Tokura,
Phys. Rev. B, 83, 054413 (2011) .
[787] "Pseudogap of metallic layered nickelate R2-xSrxNiO4 (R = Nd,Eu) crystals measured using angle-resolved photoemission spectroscopy" M. Uchida, K. Ishizaka, P. Hansmann, Y. Kaneko, Y. Ishida, X. Yang, R. Kumai, A. Toschi, Y. Onose, R. Arita, K. Held, O. K. Andersen, S. Shin and Y. Tokura,
Phys. Rev. Lett., 106, 027001 (2011) .