Correlated Electron Research Group (CERG), RIKEN Advanced Science Institute

All

FY 2010

FY 2011

FY 2012


Publications

  1. * N. Kida, S. Kumakura, S. Ishiwata, Y. Taguchi, and Y. Tokura
    "Gigantic terahertz magnetochromism via electromagnons in the hexaferrite magnet Ba2Mg2Fe12O22
    Phys. Rev. B 83, 064422-1 - 064422-8 (28 February 2011)
  2. * M. Uchida, Y. Onose, Y. Tokura
    "Large magnetoresistance and spin-polarized heavy-mass electron state of the doped valence-bond
    solid (Ti1-xVx)2O3"
    Phys. Rev. B 83, 052404 (23 February 2011)
  3. * Masao Nakamura, Yusuke Tokunaga, Masashi Kawasaki, and Yoshinori Tokura
    "Multiferroicity in an orthorhombic YMnO3 single-crystal film"
    Appl. Phys. Lett. 98, 082902 (22 February 2011 :Online)
  4. * F. Kagawa,Y. Onose, Y. Kaneko and Y. Tokura
    "Relaxation dynamics of multiferroic domain walls in DyMnO3 with cycloidal spin order"
    Phys. Rev. B 83, 054413-1-10 (11 February 2011)
  5. * Y. Kasahara, T. Nishijima, T. Sato, Y. Takeuchi, J. T. Ye, H. T. Yuan, H. Shimotani, and Y. Iwasa
    "Electric-Field-Induced Superconductivity Detected by Magnetization Measurements of an Electric-Double-Layer Capacitor"
    J. Phys. Soc. Jpn. 80, 023708 (10 February 2011)
  6. * I. Kezsmarki, N. Kida, H. Murakawa, S. Bordacs, Y. Onose, and Y. Tokura
    "Enhanced Directional Dichroism of Terahertz Light in Resonance with Magnetic Excitations of the Multiferroic Ba2CoGe2O7 Oxide Compound"
    Phys. Rev. Lett. 106, 057403 (4 February 2011)
  7. * Maxim Mostovoy, Kentaro Nomura, and Naoto Nagaosa
    "Theory of Electric Polarization in Multiorbital Mott Insulators"
    Phys. Rev. Lett. 106, 047204 (27 January 2011)
  8. * T. Suzuki, M. S. Bahramy, R. Arita, Y. Taguchi, and Y. Tokura
    "Doping control and thermoelectric properties in R1-xAxZnSbO (R = La, Ce; A = Ca, Sr)"
    Phys. Rev. B 83, 035204 (13 January 2011)
  9. * 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, Y. Tokura
    "Pseudogap of metallic layered nickelate R2-xSrxNiO4 (R = Nd,Eu) crystals measured using angle-resolved photoemission spectroscopy"
    Phys. Rev. Lett. 106, 027001 (12 January 2011)
  10. * H. T. Yuan, M. Toh, K. Morimoto, W. Tan, F. Wei, H. Shimotani, Ch. Kloc, and Y. Iwasa
    "Liquid-gated electric-double-layer transistor on layered metal dichalcogenide, SnS2"
    Appl. Phys. Lett. 98, 012102 (4 January 2011)
  11. * Y. Tokunaga, Y. Kaneko, D. Okuyama, S. Ishiwata, T. Arima, S. Wakimoto, K. Kakurai, Y. Taguchi, and Y. Tokura
    "Multiferroic M-Type Hexaferrites with a Room-Temperature Conical State and Magnetically Controllable Spin Helicity"
    Phys. Rev. Lett. 105, 257201 (13 December 2010)
  12. *X. Z. Yu, N. Kanazawa, Y. Onose, K. Kimoto, W. Z. Zhang, S. Ishiwata, Y. Matsui & Y. Tokura
    "Near room-temperature formation of a skyrmion crystal in thin-films of the helimagnet FeGe"
    Nature Materials 10, 106–109 (2011) *(published online: 05 December 2010)
  13. * K. Shibuya, M. Kawasaki, Y. Tokura
    "Metal-insulator transitions in TiO2/VO2 superlattices"
    Phys. Rev. B 82, 205118 (19 November 2010)
  14. * H. Sakai, S. Ishiwata, D. Okuyama, A. Nakao, H. Nakao, Y. Murakami, Y. Taguchi, and Y. Tokura
    "Electron doping in the cubic perovskite SrMnO3 : Isotropic metal versus chainlike ordering of Jahn-Teller polarons"
    Phys. Rev. B 82, 180409(R) (17 November 2010)
  15. * 野村健太郎
    "トポロジカル絶縁体表面に現れるディラック電子"
    固体物理 45, 743-751 (15 November 2010)
  16. * B. Gu, I. Sugai, T. Ziman, G. Y. Guo, N. Nagaosa, T. Seki, K. Takanashi, and S. Maekawa
    "Surface-Assisted Spin Hall Effect in Au Films with Pt Impurities"
    Phys. Rev. Lett. 105, 216401 (15 November 2010)
  17. * M. Nakamura, A Sawa, J. Fujioka, M. Kawasaki, Y. Tokura
    "Interface band profiles of Mott-insulator/Nb:SrTiO3 heterojunctions as investigated by optical spectroscopy"
    Phys. Rev. B 82, 201101 R (5 November 2010)
  18. * Atsuo Shitade, Motohiko Ezawa, and Naoto Nagaosa
    "Manipulation of two spin qubits in a double quantum dot using an electric field"
    Phys. Rev. B 82, 195305 (4 November 2010)
  19. * Ryuichi Shindou, Akira Furusaki, and Naoto Nagaosa
    "Quantum impurity spin in Majorana edge fermions"
    Phys. Rev. B 82, 180505(R) (3 November 2010)
  20. * J. Fujioka, Y. Ida, Y. Takahashi, N. Kida, R. Shimano, and Y. Tokura
    "Optical investigation of the collective dynamics of charge-orbital density waves in layered manganites"
    Phys. Rev. B 82, 140409(R) (19 October 2010)
  21. * S. Asanuma, P.-H. Xiang, H. Yamada, H. Sato, I. H. Inoue, H. Akoh, A. Sawa, K. Ueno,
    H. Shimotani, H. Yuan, M. Kawasaki, and Y. Iwasa
    "Tuning of the metal-insulator transition in electrolyte-gated NdNiO3 thin films"
    Appl. Phys. Lett. 97, 142110 (published online: 7 October 2010)
  22. * Kentaro Nomura and Naoto Nagaosa
    "Electric charging of magnetic textures on the surface of a topological insulator"
    Phys. Rev. B 82, 161401 (1 October 2010)
  23. * Masahito Mochizuki and Naoto Nagaosa
    "Theoretically Predicted Picosecond Optical Switching of Spin Chirality in Multiferroics"
    Phys. Rev. Lett. 105, 147202 (28 September 2010)
  24. * H. Murakawa, Y. Onose, S. Miyahara, N. Furukawa, and Y. Tokura
    "Ferroelectricity Induced by Spin-Dependent Metal-Ligand Hybridization in Ba2CoGe2O7"
    Phys. Rev. Lett. 105, 137202 (20 September 2010)
  25. * Y. Kohara, Y. Yamasaki, Y. Onose, and Y. Tokura
    "Excess-electron induced polarization and magnetoelectric effect in yttrium iron garnet"
    Phys. Rev. B 82, 104419 (17 September 2010)
  26. * J. S. Lee, M. Nakamura, D. Okuyama, R. Kumai, T. Arima, M. Kawasaki, and Y. Tokura
    "Competing electronic orders in anisotropically strained (Pr0.6Ca0.4)1−x(La0.6 Sr0.4)xMnO3 thin films"
    Phys. Rev. B 82, 052406 (31 August 2010)
  27. * S. Seki, T. Kurumaji, S. Ishiwata, H. Matsui, H. Murakawa, Y. Tokunaga, Y. Kaneko, T. Hasegawa, and Y. Tokura
    "Cupric chloride CuCl2 as S=1/2 chain multiferroic"
    Phys. Rev. B 82, 064424 (30 August 2010)
  28. * S. Seki, N. Kida, S. Kumakura, R. Shimano, and Y. Tokura
    "Electromagnons in the Spin Collinear State of a Triangular Lattice Antiferromagnet"
    Phys. Rev. Lett. 105, 097207 (27 August 2010)
  29. * Y. Krockenberger, M. Uchida, K. S. Takahashi, M. Nakamura, M. Kawasaki, and Y. Tokura
    "Growth of superconducting Sr2RuO4 thin films"
    Appl. Phys. Lett. 97, 082502 (published online: 26 August 2010)
  30. * Bo Gu, Jing-Yu Gan, Nejat Bulut, Timothy Ziman, Guang-Yu Guo, Naoto Nagaosa,
    and Sadamichi Maekawa
    "Quantum Renormalization of the Spin Hall Effect"
    Phys. Rev. Lett. 105, 086401 (18 August 2010)
  31. * S. Johnston, F. Vernay, B. Moritz, Z.-X. Shen, N. Nagaosa, J. Zaanen, T. P. Devereaux
    "Systematic study of electron-phonon coupling to oxygen modes across the cuprates"
    Phys. Rev. B 82, 064513 (2010)
  32. * Masahito Mochizuki, Nobuo Furukawa, and Naoto Nagaosa
    "Spin Model of Magnetostrictions in Multiferroic Mn Perovskites"
    Phys. Rev. Lett. 105, 037205 (16 July 2010)
  33. * Y. Onose, T. Ideue, H. Katsura, Y. Shiomi, N. Nagaosa, Y. Tokura
    "Observation of the Magnon Hall Effect"
    Science 329, 297-299 (16 July 2010)
  34. * Keji Lai, Masao Nakamura, Worasom Kundhikanjana, Masashi Kawasaki, Yoshinori Tokura,
    Michael A. Kelly, Zhi-Xun Shen
    "Mesoscopic Percolating Resistance Network in a Strained Manganite Thin Film"
    Science 329, 190-193 (9 July 2010)
  35. * Yoshihiro Iwasa
    "Superconductivity: Revelations of the fullerenes"
    Nature 466, 191–192 (08 July 2010)
  36. * Jiadong Zang and Naoto Nagaosa
    "Monopole current and unconventional Hall response on a topological insulator"
    Phys. Rev. B 81, 245125 (25 June 2010)
  37. * Aldin Radetinac, Kei S. Takahashi, Lambert Alff, Masashi Kawasaki, and Yoshinori Tokura
    "Single-Crystalline CaMoO3 and SrMoO3 Films Grown by Pulsed Laser Deposition in a Reductive Atmosphere"
    Appl. Phys. Express 3, 072003-1 - 072003-3 (18 June 2010)
  38. * Takehito Yokoyama, Jiadong Zang, and Naoto Nagaosa
    "Theoretical study of the dynamics of magnetization on the topological surface"
    Phys. Rev. B 81, 241410(R) (18 June 2010)
  39. * X. Z. Yu,Y. Onose,N. Kanazawa,J. H. Park,J. H. Han,Y. Matsui,N. Nagaosa, and Y. Tokura
    "Real-space observation of a two-dimensional skyrmion crystal"
    Nature 465, 901 - 904 (17 June 2010)
  40. * F. Kagawa,S. Horiuchi,H. Matsui, R. Kumai, Y. Onose, T. Hasegawa, and Y. Tokura
    "Electric-Field Control of Solitons in a Ferroelectric Organic Charge-Transfer Salt"
    Phys. Rev. Lett. 104, 227602 (2010)
  41. * Jacob Linder, Yukio Tanaka, Takehito Yokoyama, Asle Sudbø, and Naoto Nagaosa
    "Interplay between superconductivity and ferromagnetism on a topological insulator"
    Phys. Rev. B 81, 184525 (24 May 2010)
  42. * Shintaro Ishiwata, Daisuke Okuyama, Kazuhisa Kakurai, Masakazu Nishi, Yasujiro Taguchi, and Yoshinori Tokura
    "Neutron diffraction studies on the multiferroic conical magnet Ba2Mg2Fe12O22"
    Phys. Rev. B 81, 174418 (2010)
  43. * K. S. Takahashi, J. Fujioka, Y. Ida, M. Kawasaki, and Y. Tokura
    "Control of orbital ordered state in strained Nd0.25Sr1.75MnO4 films"
    Appl. Phys. Lett. 96, 202508 (2010)
  44. * Naoto Nagaosa, Jairo Sinova, Shigeki Onoda, A. H. MacDonald, N. P. Ong
    "Anomalous Hall effect"
    Rev. Mod. Phys. 82, 1539–1592 (2010)
  45. * M. Mochizuki, N. Furukawa, and N. Nagaosa,
    "Theory of Electromagnons in the Multiferroic Mn Perovskites: The Vital Role of Higher Harmonic Components of the Spiral Spin Order"
    Phys. Rev. Lett.104, 177206 (2010)