Y. Tokunaga, T. Lottermoser, Y. Lee, R. Kumai, M. Uchida, T. Arima, and Y. Tokura " Rotation of orbital stripes and the consequent charge-polarized state in bilayer manganites " Nature Mater. 5, 937（2006). T. Arima, Y. Yamasaki, T. Goto, S. Iguchi, K. Ohgushi, S. Miyasaka, and Y. Tokura " Spin-Lattice Coupling in Ferroelectric Spiral Magnets:Comparison between the Cases of (Tb, Dy)MnO3 and CoCr2O4 " J. Phys. Soc. Jpn. 76, 023602 (2007). S. Seki, Y. Yamasaki, Y. Shiomi, S. Iguchi, Y. Onose, and Y. Tokura " Impurity-doping induced ferroelectricity in 　the frustrated antiferromagnet CuFeO2 " Phys. Rev. B 75, 100403 (2007). Y. Tokura " Multiferroics - toward strong coupling between magnetization and　polarization in a solid " J. Magn. Magn. Mat. 310, 1145 (2007). X.Z.Yu, T. Arima, Y. Kaneko, J. P. He, R. Mathieu, T. Asaka, T. Hara, K. Kimoto, Y. Matsui, and Y. Tokura " Direct observation of the bandwidth-disorder induced variation of charge/orbital ordering structure in RE0.5(Ca1-ySry)1.5MnO4 " J. Phys. : Condensed Matter 19, 172203 (2007). X.Z.Yu, R. Mathieu, T. Arima, Y. Kaneko, J. P. He, M. Uchida, T. Asaka, T. Nagai, K. Kimoto, A. Asamitsu, Y. Matsui, and Y. Tokura " Variation of charge/orbital ordering in layered manganite Pr1-xCa1+xMnO4 investigated by transmission electron microscopy " Phys. Rev. B 75, 174441 (2007). R. Mathieu, J.P. He, X.Z. Yu, Y. Kaneko, M. Uchida, Y.S. Lee, T. Arima, A. Asamatitsu, and Y. Tokura "Coexistence of long-ranged charge and orbital order and spin-glass state in single-layered manganites with weak quenched disorder" A Letters Journal Exploring the Frontiers Physics 80, 37001(2007). N. Kida, H. Yamada, H. Sato, T. Arima, M. Kawasaki, H. Akoh, and Y. Tokura "Optical Magnetoelectric Effect of Patterned Oxide Superlattices with Ferromagnetic Interfaces" Phys. Rev. Lett. 99, 197404 (2007). R. Mathieu, and Y. Tokura "The Nanoscale Phase Separation in Hole-Doped Manganites" J. Phys. Soc. Jpn. 76, 124706 (2007). S. Horiuchi, R. Kumai, and Y. Tokura " A supramolecular ferroelectric realized by collective proton transfer" Angewandte Chemie-International Edition, 46, 3497 (2007). S. Horiuchi, R. Kumai, and Y. Tokura " Hydrogen-bonded donor-acceptor compounds for organic ferroelectric materials" Chem. Commun. 23, 2321 (2007). Y. S. Lee, T. Arima, S. Onoda, Y. Okimoto, Y. Tokunaga, R. Mathieu, X. Z. Yu, J. P. He, Y. Kaneko, Y. Matsui, N. Nagaosa, and Y. Tokura "Correlation of electronic structure and ordered charge and orbital patterns for single-layered manganites in a wide hole-doping range (0≦x≦1)" Phys. Rev. B 75, 144407 (2007). A. Sawa, A. Yamamoto, H. Yamada, T. Fujii, M. Kawasaki, J. Matsuno, and Y. Tokura "Fermi level shift in La1-xSrxMO3 (M=Mn, Fe, Co, and Ni) probed by Schottky-like heteroepitaxial junctions with SrTi0.99Nb0.01O3" Appl. Phys. Lett. 90, 252102 (2007). Y. Shimada, H. Kiyama, and Y. Tokura "Magnetoelectric emission in rare-earth doped ferroelectric crystals La2Ti2O7 : R3+ (R=Er, Eu, and Nd)" Phys. Rev. B 75, 245125 (2007). R. Mathieu, J. P. He, Y. Kaneko, H. Yoshino, A. Asamitsu, and Y. Tokura "Logarithmic growth law in the two-dimensional Ising spin glass state resulting from the electron doping in single-layered manganites" Phys. Rev. B 76. 014436 (2007). A. Sakai, F. Ishii, Y.Onose, Y. Tomioka, S.Yotsuhashi, H. Adachi, N. Nagaosa, and Y. Tokura "Thermoelectric Power in Transition-Metal Monosilicides" Phys. Rev. B 76, 155112 (2007). R. Kumai, S. Horiuchi, H. Sagayama, Taka-hisa. Arima, M. Watanabe, Y. Noda, and Y. Tokura "Structural assignment of polarization in hydrogen-bonded supramolecular ferroelectrics" J. Am. Chem. Soc. 129, 12920 (2007). H. Sakai, K. Ito, R. Kumai, and Y. Tokura "Fe-doping-induced evolution of charge-orbital ordering in a bicritical-state manganite" Phys. Rev. B 76, 155112 (2007). M. Matsubara, Y. Okimoto, T. Ogasawara, Y. Tomioka, H. Okamoto, and Y. Tokura "Ultrafast Photoinduced Insulator-Ferromagnet Transition in the Perovskite Manganite Gd0.55Sr0.45MnO3" Phys. Rev. Lett. 99, 207401 (2007). Y. Yamasaki, S. Miyasaka, T. Goto, H. Sagayama, T. Arima, and Y. Tokura "Ferroelectric phase transitions of 3d-spin origin in Eu1-xYxMnO3" Phys. Rev. B 76, 184418 (2007). N. Kida, H. Yamada, H. Sato, T. Arima, M. Kawasaki, H. Akoh, and Y. Tokura "Optical magnetoelectric effect of patterned oxide superlattices with ferromagnetic interfaces" Phys. Rev. Lett. 99, 197404 (2007). S. Kuroiwa, A. Nakashima, S. Miyahara, N. Furukawa, J. Akimitsu "Electronic Structures of CaAlSi with Different Stacking AlSi Layers by First-Principles Calculations" J. Phys. Soc. Jpn. 76, 113705 (2007). S. Ishiwata，Y. Taguchi, H.Murakawa, Y. Onose, and Y. Tokura "Low magnetic-field control of electric polarization vector in a helimagnet" Science 319, 1643 (2008). I. Kezsmarki, Y. Tomioka, S. Miyasaka, L. Demko, Y. Okimoto, and Y. Tokura "Optical phase diagram of perovskite colossal magnetoresistance manganites near half doping" Phys. Rev. B 77, 075117 (2008). Y. Tokunaga, T. J. Sato, M. Uchida, R. Kumai, Y. Matsui, T. Arima, and Y. Tokura "Versatile and competing spin-charge-orbital orders in the bilayered manganite system Pr(Sr1-yCay)2Mn2O7" Phys. Rev. B 77, 064428 (2008). H. Yamada, H. Sato, H. Akoh, N. Kida, T. Arima, M. Kawasaki, and Y. Tokura "Optical magnetoelectric effect at CaRuO3-CaMnO3 interfaces as a polar ferromagnet" Appl. Phys. Lett. 92, 062508 (2008). Y. Onose, Y. Shiomi, and Y. Tokura "Lorenz Number Determination of the Dissipationless Nature of the Anomalous Hall Effect in Itinerant Ferromagnets" Phys. Rev. Lett. 100, 016601 (2008). M. Uchida, N. Nagaosa, J. P. He, Y. Kaneko, S. Iguchi, Y. Matsui, and Y. Tokura "Topological spin textures in the helimagnet FeGe" Phys. Rev. B 77, 184402 (2008). M. Uchida, J. Fujioka, Y.Onose, and Y. Tokura "Charge dynamics in thermally and doping induced insulator-metal transitions of (Ti1-xVx)2O3" Phys. Rev. Lett. 101, 066406 (2008). H. Toyosaki，M. Kawasaki, and Y. Tokura "Atomically smooth and single crystalline MnTiO3 thin films with a ferrotoroidic structure" Appl. Phy. Lett. 93, 072507 (2008). M. Konoto, T. Yamada, K. Koike, H. Akoh, T. Arima, and Y. Tokura "Formation and control of magnetic vortex chirality in patterned micromagnet arrays" J. Appl. Phys. 103, 023904 (2008). N. Tsuji, M. Ito, H. Sakurai, K. Suzuki, K. Tanaka, K. Kitani, H. Adachi, H. Kawata, A. Koizumi, H. Nakao, Y. Murakami, Y. Taguchi, and Y. Tokura "Magnetic Compton Profile Study of Orbital Ordering State of 3d Electrons in YTiO3" J. Phys. Soc. Jpn. 77, 023705 (2008). M. Matsubara, Y. Okimoto, T. Ogasawara, Y. Tomioka, H. Okamoto, and Y. Tokura "Ultrafast photoinduced ferromagnetism in the perovskite manganite Gd0.55Sr0.45MnO3" J. Appl. Phys. 103, 07B110 (2008). H. Sakai, and Y. Tokura "Current-induced persistent magnetization in a relaxorlike manganite" Appl. Phys. Lett. 92, 102514 (2008). N. Hanasaki, K .Sano, Y .Onose, T .Ohtsuka, S .Iguchi, I .Kezsmarki, S .Miyasaka, S.Onoda, N. Nagaosa, and Y. Tokura "Anomalous Nernst Effects in Pyrochlore Molybdates with Spin Chirality" Phys. Rev. Lett. 100, 106601 (2008). K. Matsuda, S. Miyahara, and N. Furukawa "Projection Method for Exact Diagonalization in the Strong Coupling Limit for Frustrated Models with Highly Degenerate Ground States" J. Phys. Soc. Jpn. 77, 085002 (2008). Y. Tokunaga, S. Iguchi, T. Arima, and Y. Tokura "Magnetic-Field-Induced Ferroelectric State in DyFeO3" Phys. Rev. Lett. 101, 097205 (2008). N. Kida, Y. Ikebe, Y. Takahashi, J. P. He, Y. Kaneko, Y. Yamasaki, R. Shimano, T. Arima, N. Nagaosa, and Y. Tokura "Electrically driven spin excitation in the ferroelectric magnet DyMnO3" Phys. Rev. B 78, 104414 (2008) . H. Toyosaki, M. Kawasaki, and Y. Tokura "Electrical properties of Ta-doped SnO2 thin films epitaxially grown on TiO2 substrate" Appl. Phys. Lett. 93, 132109 (2008). Y. Tokunaga, R. Kumai, N. Takeshita, Y. Kaneko, J. P. He, T. Arima, and Y. Tokura "Effects of uniaxial stress on orbital stripe direction in half-doped layered manganites: Eu0.5Ca1.5MnO4 and Pr(Sr,Ca)2Mn2O7" Phys. Rev. B 78, 155105 (2008). Y. Takahashi, N. Kida, Y. Yamasaki, J. Fujioka, T. Arima, R. Shimano, S. Miyahara, M. Mochizuki, N. Furukawa, and Y. Tokura "Evidence for an Electric-Dipole Active Continuum Band of Spin Excitations in Multiferroic TbMnO3" Phys. Rev. Lett. 101, 187201 (2008). N. Hosaka, H. Yamada, Y. Shimada, J. Fujioka, S. Bordacs, I. Kezsmarki, M. Kawasaki, and Y. Tokura "Magneto-Optical Characterization on the Ferromagnetic-Paramagnetic Transitions in the Composition-Spread Epitaxial Film of Sr1-xCaxRuO3" Appl. Phys. Express 1, 113001 (2008). N. Kida, Y. Yamasaki, R. Shimano, T. Arima, and Y. Tokura "Electric-Dipole Active Two-Magnon Excitation in ab Spiral Spin Phase of a Ferroelectric Magnet Gd0.7Tb0.3MnO3" J. Phys. Soc. Jpn. 77, 123704 (2008). H. Murakawa, Y. Onose, F. Kagawa, S. Ishiwata, Y. Kaneko, and Y. Tokura "Rotation of an Electric Polarization Vector by Rotating Magnetic Field in Cycloidal Magnet Eu0.55Y0.45MnO3" Phys. Rev. Lett. 101, 197207 (2008). 石渡晋太郎、村川　寛、小野瀬佳文、田口康二郎、十倉好紀 "らせん磁性体Ba2Mg2Fe12O22における電気分極ベクトルの弱磁場制御" 固体物理、44、25　(2009）. H. Sakai, K. Ito, T. Nishiyama, X. Yu, Y. Matsui, S. Miyasaka, and Y. Tokura "Dopant-Dependent Impact of Mn-Site Doping on Critical-State Manganites R0.6Sr0.4MnO3 (R=La, Nd, Sm, and Gd)" J. Phys. Soc. Jpn. 77, 124712 (2008). T Kimura and Y Tokura, "Magnetoelectric phase control in a magnetic system showing cycloidal/conical spin order" J. Phys.: Condensed Matter 20 434204 (2008). Y. Yamasaki, H. Sagayama, N. Abe, T. Arima, K. Sasai, M. Matsuura, K. Hirota, D. Okuyama, Y. Noda, and Y. Tokura, "Cycloidal Spin Order in the a-Axis Polarized Ferroelectric Phase of Orthorhombic Perovskite Manganite" Phys. Rev. Lett. 101, 097204 (2008). S. Seki, Y. Onose, and Y. Tokura, "Spin-Driven Ferroelectricity in Triangular Lattice Antiferromagnets ACrO2 (A=Cu, Ag, Li, or Na)" Phys. Rev. Lett. 101, 067204 (2008). H. Murakawa, Y. Onose, K. Ohgushi, S. Ishiwata, and Y. Tokura, "Generation of Electric Polarization with Rotating Magnetic Field in Helimagnet ZnCr2Se4" J. Phys. Soc. Jpn. 77, 043709 (2008). S. Seki, Y. Yamasaki, M. Soda, M. Matsuura, K. Hirota, and Y. Tokura, "Correlation between Spin Helicity and an Electric Polarization Vector in Quantum-Spin Chain Magnet LiCu2O2" Phys. Rev. Lett. 100, 127201 (2008). M. Konoto, H. Yamada, K. Koike, H. Akoh, M. Kawasaki, and Y. Tokura, "Magnetic quasidomain structures in Ru-doped La0.6Sr0.4MnO3 thin films" Appl. Phys. Lett. 93, 252503 (2008). L. Demko, I. Kezsmarki, G. Mihaly, N. Takeshita, Y. Tomioka, and Y. Tokura, "Multicritical End Point of the First-Order Ferromagnetic Transition in Colossal Magnetoresistive Manganites" Phys. Rev. Lett. 101, 037206 (2008). Y.S. Lee, Y. Tokunaga, T. Arima, and Y. Tokura, "Optical detection of the rotation of orbital stripes in a charge‐orbital ordered bilayer manganite at half-doping " Physica B: Condensed Matter 403,1579 (2008). M. Matsubara, Y. Okimoto, T. Ogasawara, S. Iwai, Y. Tomioka, H. Okamoto, and Y. Tokura, "Photoinduced switching between charge and orbital ordered insulator and ferromagnetic metal in perovskite manganites" Phys. Rev. B 77, 094410 (2008). X. Yu, T-h Arima, S. Seki, T. Asaka, K. Kimoto, Y. Tokura, and Y. Matsui , "Effect of Quenched Disorder on Charge Ordering Structure in RE1.67AE0.33NiO4 (RE = La, Pr, Nd, Sm; AE = Ca, Sr)" J. Phys. Soc. Jpn. 77, 093709 (2008). J. Fujioka, S. Miyasaka, and Y. Tokura, "Doping variation of anisotropic charge and orbital dynamics in Y1-xCaxVO3: Comparison with La1-xSrxVO3 " Phys. Rev. B 77, 144402 (2008). K. Ohgushi, Y. Okimoto, T. Ogasawara, S. Miyasaka, and Y. Tokura, "Magnetic, Optical, and Magnetooptical Properties of Spinel-Type ACr2X4 (A=Mn, Fe, Co, Cu, Zn, Cd; X=O, S, Se)" J. Phys. Soc. Jpn. 77 (2008) 034713. Y. Shimada, H. Kiyama, and Y. Tokura, "Nonreciprocal Directional Dichroism in Ferroelectric Nd2Ti2O7" J. Phys. Soc. Jpn. 77, 033706 (2008). S. Horiuchi,R. Kumai,Y. Tokunaga, and Y. Tokura, "Proton Dynamics and Room-Temperature Ferroelectricity in Anilate Salts with a Proton Sponge" J. Am. Chem. Soc.,130, 13382 (2008). S. Horiuchi, Y. Tokura, "Organic ferroelectrics" Nature Mater. 7, 357 (2008). M. Uchida, N. Nagaosa, J. P. He, Y. Kaneko, S. Iguchi, Y. Matsui, and Y. Tokura, "Topological spin textures in the helimagnet FeGe" Phys. Rev. B 77, 184402 (2008). H. Sakai and Y. Tokura, "Current-induced persistent magnetization in a relaxorlike manganite" Appl. Phys. Lett. 92, 102514 (2008). K. Ebata, M. Takizawa, K. Maekawa, A. Fujimori, H. Kuwahara, Y. Tomioka, and Y. Tokura, "Chemical potential shift induced by double-exchange and polaronic effects in Nd1-xSrxMnO3" Phys. Rev. B 77, 094422 (2008). J. Matsuno, A. Sawa, M. Kawasaki, and Y. Tokura, "Magnetic field tuning of interface electronic properties in manganite-titanate junctions" Appl. Phys. Lett. 92, 122104 (2008). H. Matsui, T. Hasegawa, and Y. Tokura, "Polaron Motional Narrowing of Electron Spin Resonance in Organic Field-Effect Transistors" Phys. Rev. Lett. 100, 126601 (2008). A. M. L. Lopes, J. P. Araujo, V. S. Amaral, J. G. Correia, Y. Tomioka, and Y. Tokura, "New Phase Transition in the Pr1-xCaxMnO3 System: Evidence for Electrical Polarization in Charge Ordered Manganites" Phys. Rev. Lett. 100, 155702 (2008). Y. Yamasaki, H. Sagayama, T. Goto, M. Matsuura, K. Hirota, T. Arima, and Y. Tokura, "Erratum: Electric Control of Spin Helicity in a Magnetic Ferroelectric [Phys. Rev. Lett. 98, 147204 (2007)]" Phys. Rev. Lett. 100, 219902(E) (2008). T. Yamada, T. Hasegawa, M. Hiraoka, H. Matsui, Y. Tokura, and G. Saito, "Control of film morphology and its effects on subthreshold characteristics in dibenzotetrathiafulvalene organic thin-film transistors" Appl. Phys. Lett. 92, 233306 (2008). K. Ebata, M. Takizawa, A. Fujimori, H. Kuwahara, Y. Tomioka, and Y. Tokura, "Chemical potential landscape in band filling and bandwidth-control of manganites: Photoemission spectroscopy measurements" Phys. Rev. B 78, 020406(R) (2008). Hao Sha, F. Ye, Pengcheng Dai, J. A. Fernandez-Baca, Dalgis Mesa, J. W. Lynn, Y. Tomioka, Y. Tokura, and Jiandi Zhang, "Signature of magnetic phase separation in the ground state of Pr1?xCaxMnO3" Phys. Rev. B 78, 052410 (2008). Y. Tokura and H. Y. Hwang, "Condensed-matter physics: Complex oxides on fire" Nature Mater. 7, 694 (2008). Y. Krockenberger, H. Matsui, T. Hasegawa, M. Kawasaki, and Y. Tokura, "Solid phase epitaxy of ferrimagnetic Y3Fe5O12 garnet thin films" Appl. Phys. Lett. 93, 092505 (2008). S. Horiuchi, F. Ishii, R. Kumai, Y. Okimoto, H. Tachibana, N. Nagaosa and Y. Tokura, "Ferroelectricity near room temperature in co-crystals of nonpolar organic molecules" Nature Mater. 7, 922 (2008). T. Nagai, H. Yamada, M. Konoto, T. Arima, M. Kawasaki, K. Kimoto, Y. Matsui, and Y. Tokura, "Direct observation of the spin structures of vortex domain walls in ferromagnetic nanowires" Phys. Rev. B 78, 180414(R) (2008). B. W. Lee, C. U. Jung, M. Kawasaki, and Y. Tokura, "Tuning of magnetism in SrRuO3 thin films on SrTiO3 (001) substrate by control of the twin and strain amount in the buffer layer" J. Appl. Phys. 104, 103909 (2008). D. Bizen, K. Nakatsuka, T. Murata, H. Nakao, and Y. Murakami, "Orbital ordering in RVO3 (R=Y,Tb) controlled by hydrostatic pressure" Phys. Rev. B 78, 224104 (2008). F. Iwase, K. Miyagawaa, K. Kanoda, S. Horiuchi and Y. Tokura, "NQR study of neutral?ionic phase transition and quantum paraelectric state in organic charge-transfer complexes " Solid State Sciences 10, 1752 (2008). M. Fiebig, N. Phuc Duong, T. Satoh, Bas B Van Aken, K. Miyano, Y. Tomioka and Y. Tokura, "Ultrafast magnetization dynamics of antiferromagnetic compounds" J. Phys. D: Appl. Phys. 41, 164005 (2008). M. Tsunekawa, A. Sekiyama, S. Kasai, S. Imada, H. Fujiwara, T. Muro, Y. Onose, Y. Tokura and S. Suga, "Bulk electronic structures and strong electron?phonon interactions in an electron-doped high-temperature superconductor" The European Physical Journal B - Condensed Matter and Complex Systems 64,27 (2008). M. Reehuis, C. Ulrich, P. Pattison, M. Miyasaka, Y. Tokura, and B. Keimer, "Crystal and magnetic structure of CeVO3 " New J. Phys. 10, 073005 (2008). J. J. Turner, K. J. Thomas, J. P. Hill, M. A. Pfeifer, K. Chesne, Y. Tomioka, Y. Tokura, and S. D. Kevan, "Orbital domain dynamics in a doped manganite" New J. Phys. 10, 053023 (2008). T. Suzuki, I. Yamauchi, Y. Shimizu, M. Itoh, N. Takeshita, C. Terakura, H. Takagi, Y. Tokura, T. Yamauchi, and Y. Ueda, "High-pressure 51V NMR study of the magnetic phase diagram and metal-insulator transition in quasi-one-dimensionalβ-Na0.33V2O5" Phys. Rev. B 79, 081101(R) (2009). X. Z. Yu, Y. Tomioka, T. Asaka, K. Kimoto, T. Arima, Y. Tokura, and Y. Matsui, "Imaging of variation in charge/orbital/spin ordering structure in Sm1-xSrxMnO3 (x=0.55 and 0.6)" Appl. Phys. Lett. 94, 082509 (2009). M. Matsubara, T. Ogasawara, Y. Tomioka, K. Tobe, H. Okamoto, and Y. Tokura, "A Key for Photoinduced Insulator‐Metal Transitions in Manganites: Lattice Constant Matching between Charge/Orbital Ordered Insulator and Ferromagnetic Metal" J. Phys. Soc. Jpn. 78, 023707 (2009). T. Okuda, T. Kishimoto, K. Uto, T. Hokazono, Y. Onose, Y. Tokura, R. Kajimoto, and M. Matsuda, "Dimensional Crossover of Low-Energy Magnetic Excitation for Delafossite Oxide Cu1-xAgxCrO2 with a Spin-3/2 Antiferromagnetic Triangular Sublattice" J. Phys. Soc. Jpn. 78, 013604 (2009). F. Kagawa，M. Mochizuki，Y. Onose, H. Murakawa，Y. Kaneko， N. Furukawa, and Y. Tokura, "Dynamics of Multiferroic Domain Wall in Spin-Cycloidal Ferroelectric DyMnO3" Phys. Rev. Lett. 102, 057604 (2009). M. Mochizuki and N. Furukawa, "Mechanism of Lattice-Distortion-Induced Electric-Polarization Flop in the Multiferroic Perovskite Manganites" J. Phys. Soc. Jpn, 78, 053704 (2009). J. Fujioka, S. Horiuchi, F. Kagawa, and Y. Tokura, "Dynamical Disorder of -Molecular Structures Induced by Proton Dynamics in an Organic Ferroelectric Compound" Phys. Rev. Lett. 102, 197601 (2009). S. Ishiwata, Y. Taguchi, Y. Tokunaga, H. Murakawa, Y. Onose, and Y. Tokura, "Electric polarization induced by transverse magnetic field in the anisotropy-controlled conical helimagnet Ba2(Mg1-xZnx)2Fe12O22" Phys. Rev. B 79, 180408 (2009). N. Kida, Y. Takahashi, J. S. Lee, R. Shimano, Y. Yamasaki, Y. Kaneko, S. Miyahara, N. Furukawa, T. Arima, and Y. Tokura , "Terahertz time-domain spectroscopy of electromagnons in multiferroic perovskite manganites [Invited]" J. Opt. Soc. Am. B, 26, A35 (2009). Y. Tokunaga, N. Furukawa, H. Sakai, Y. Taguchi, T-h Arima and Y. Tokura, "Composite domain walls in a multiferroic perovskite ferrite" Nature Materials 9, 558 (2009). Y. Takahashi, Y. Yamasaki, N. Kida, Y. Kaneko, T. Arima, R. Shimano, and Y. Tokura, "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)" Phys. Rev. B 79, 214431 (2009). J. S. Lee, N. Kida, S. Miyahara, Y. Takahashi, Y. Yamasaki, R. Shimano, N. Furukawa, and Y. Tokura, "Systematics of electromagnons in the spiral spin-ordered states of RMnO3" Phys. Rev. B 79, 180403(R) (2009). S. Iguchi, N. Hanasaki, M. Kinuhara, N. Takeshita, C. Terakura, Y. Taguchi, H. Takagi, and Y. Tokura, "Emergence of a Diffusive Metal State with No Magnetic Order near the Mott Transition in Frustrated Pyrochlore-Type Molybdates" Phys. Rev. Lett. 102, 136407 (2009). M. Lee, W. Kang, Y. Onose, Y. Tokura, and N. P. Ong, "Unusual Hall Effect Anomaly in MnSi under Pressure" Phys. Rev. Lett. 102, 186601 (2009). M. Matsubara, Y. Kaneko, Jin-Ping He, H. Okamoto, and Y. Tokura, "Ultrafast polarization and magnetization response of multiferroic GaFeO3 using time-resolved nonlinear optical techniques" Physical Review B 79, 140411(R) (2009). M. Matsubara, Y. Shimada, K. Ohgushi, T. Arima, and Y. Tokura, "Resonant x-ray magnetoelectric effect in a centrosymmetric spinel oxide" Physical Review B 79, 180407(R) (2009). S. Horiuchi, R. Kumaia, and Y. Tokura, "Proton-displacive ferroelectricity in neutral cocrystals of anilic acids with phenazine" Journal of Materials Chemistry 19, 4421 - 4434 (2009). M. Konoto, H. Akoh, and Y. Tokura, "A compact surface decontamination system for surface-sensitive magnetic imaging" Review of Scientific Instruments 80, 086101 (2009). K. S. Takahashi, M. Onoda, M. Kawasaki, N. Nagaosa, and Y. Tokura, "Control of the Anomalous Hall Effect by Doping in Eu1-xLaxTiO3 Thin Films" Physical Review Letters 103, 057204 (2009). S. Bordacs, D. Varjas, I. Kezsmarki, G. Mihaly, L. Baldassarre, A. Abouelsayed, C. A. Kuntscher, K. Ohgushi, and Y. Tokura, "Magnetic-Order-Induced Crystal Symmetry Lowering in ACr2O4 Ferrimagnetic Spinels" Physical Review Letters 103, 077205 (2009). H. Murakawa, Y. Onose, and Y. Tokura, "Electric-Field Switching of a Magnetic Propagation Vector in a Helimagnet" Physical Review Letters 103, 147201 (2009). Y. Shiomi, Y. Onose, and Y. Tokura, "Extrinsic anomalous Hall effect in charge and heat transport in pure iron, Fe0.997Si0.003, and Fe0.97Co0.03" Physical Review B 79, 100404(R) 2009. M. Takeda, Y. Endoh, K. Kakurai, Y. Onose, J. Ssuzuki, and Y. Tokura, "Nematic-to-Smectic Transition of Magnetic Texture in Conical State" Journal of the Physical Society of Japan, Vol. 78, No. 9, September, 093704 (2009). J. Fujioka，S. Horiuchi, N. Kida, R. Shimano, and Y. Tokura, "Anisotropic polarization π-molecular skeleton coupled dynamics in proton-displacive organic ferroelectrics" Physical Review B 80, 125134 (2009). J. S. Lee, N. Kida, Y. Yamasaki, R. Shimano, and Y. Tokura, "Lattice dynamics in the ab- and bc-spiral spin-ordered states of perovskite manganites" Physical Review B 80, 134409 (2009). M. Mochizuki and N.Furukawa, "Microscopic Model and Phase Diagrams of the Multiferroic Perovskite Manganites" Physical Review B 80, 134416 (2009). F. Ye, Songxue Chi, J. A. Fernandez-Baca, A. Moreo, E. Dagotto, J.W. Lynn, R. Mathieu, Y. Kaneko, Y. Tokura, Pengcheng Dai, "Electronic Self-Organization in the Single-Layer Manganite Pr1-xCa1+xMnO4" Phys Rev Lett. 103, 167202 (2009). D. Okuyama, M. Nakamura, Y. Wakabayashi, H. Itoh, R. Kumai, H. Yamada, Y. Taguchi, T. Arima, M. Kawasaki, Y. Tokura, "Epitaxial-strain effect on charge/orbital order in Pr0.5Ca0.5MnO3 films" Appl. Phys. Lett. 95, 152502 (2009). H. Sakai, Y. Taguchi, Y. Tokura, "Impact of Bicritical Fluctuation on Magnetocaloric Phenomena in Perovskite Manganites" J. Phys. Soc. Jpn. 78, 113708 (2009). Y. Tomioka, R. Kumai, T. Ito, Y. Tokura, "Magnetic and electronic properties of Eu1-xSrxMnO3 (0.3 Phys. Rev. B 80, 174414 (2009). S. Seki, H. Murakawa, Y. Onose, Y. Tokura, "Magnetic Digital Flop of Ferroelectric Domain with Fixed Spin Chirality in a Triangular Lattice Helimagnet" Phys Rev Lett. 103, 237601 (2009). M. Tokunaga, Y. Yamasaki, Y. Onose, M. Mochizuki, N. Furukawa, Y. Tokura, "Novel Multiferroic State of Eu1-XYXMnO3 in High Magnetic Fields" Phys. Rev. Lett. 103, 187202 (2009). R. J. O. Mossanek, M. Abbate, P. T. Fonseca, A. Fujimori, H. Eisaki, S. Uchida, Y. Tokura, "Optical conductivity and x-ray absorption spectra of the Mott-Hubbard compounds RVO3 (R=Sr, Ca, La, and Y)" Phys. Rev. B 80, 195107 (2009). Y. Yamasaki, Y. Kohara, Y. Tokura, "Quantum magnetoelectric effect in iron garnet" Phys. Rev. B 80, 140412(R) (2009). H. Itoh, Y. Tokunaga, N. Kida, R. Shimano, Y. Tokura, "Charge-ordering-induced polar domains and domain walls in a bilayered manganite Pr(Sr0.15Ca0.85)2Mn2O7 in a bilayered manganite Pr(Sr0.15Ca0.85)2Mn2O7" Appl. Phys. Lett. 96, 032902 (2010). N. Furukawa and M. Mochizuki, "Roles of Bond Alternation in Magnetic Phase Diagram of RMnO3" J. Phys. Soc. Jpn. 79 033708 (2010). Y. Motome, N. Furukawa, "Phase competition in the double-exchange model on the frustrated pyrochlore lattice" Phys. Rev. Let. 104, 106407/1-4 (2010). Y. Motome, N. Furukawa, "Ferromagnetic transition in the double-exchange model on the pyrochlore lattice" J. Phys.: Conf. Ser.　200, 012131/1-4 (2010). M. Mochizuki, N. Furukawa, 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). H. Sagayama, N. Abe, K. Taniguchi, T. Arima, Y. Yamasaki, D. Okuyama, Y. Tokura, S. Sakai, T. Morita, T. Komesu, H. Ohsumi, M. Takata, "Observation of Spin Helicity Using Nonresonant Circularly Polarized X-ray Diffraction Analysis" J. Phys. Soc. Jpn. 79 (4): Art. No. 043711 (2010). Y. Tokura, S. Seki, "Multiferroics with Spiral Spin Orders" Advanced Materials 22 (14): 1554-1565 (2010). S. Ishiwata, D. Okuyama, K. Kakurai, M. Nishi, Y. Taguchi, Y. Tokura, "Neutron diffraction studies on the multiferroic conical magnet Ba2Mg2Fe12O22" Phys. Rev. B 81, 174418 (2010). 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). 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 (2010). S. Bordacs, I. Kezsmarki, K. Ohgushi and Y. Tokura, "Experimental band structure of the nearly half-metallic CuCr2Se4: an optical and magneto-optical study " New J. Phys. 12 053039 (2010). 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). M. Mochizuki, N. Furukawa, N. Nagaosa, "Spin Model of Magnetostrictions in Multiferroic Mn Perovskites" Phys. Rev. Lett. 105, 037205 (2010). Y. Onose, T. Ideue, H. Katsura, Y. Shiomi, N. Nagaosa, Y. Tokura, "Observation of the Magnon Hall Effect" Science 329,5988 (2010). A. Radetinac, K. S. Takahashi, L. Alff, M. Kawasaki, Y. Tokura, "Single-Crystalline CaMoO3 and SrMoO3 Films Grown by Pulsed Laser Deposition in a Reductive Atmosphere" Applied Physics Express 3, 073003 (2010). R. Mathieu, M. Hudl, P. Nordblad, Y. Tokunaga, Y. Kaneko, Y. Tokura, H. A. Katori, A. Ito, "Isothermal remanent magnetization and the spin dimensionality of spin glasses" Philosophical Magazine Letters, 90, 723-729 (2010). S. Seki, T. Kurumaji, S. Ishiwata, H. Matsui, H. Murakawa, Y. Tokunaga, Y. Kaneko, T. Hasegawa　Y. Tokura, "Cupric chloride CuCl2 as an S= 1/2 chain multiferroic" Phys. Rev. B 82, 064424 (2010). S. Seki, N. Kida, S. Kumakura, R. Shimano, Y. Tokura, "Electromagnons in the Spin Collinear State of a Triangular Lattice Antiferromagnet" Phys. Rev. Lett. 105, 097207 (2010). J. S. Lee, M. Nakamura, D. Okuyama, R. Kumai, T. Arima, M. Kawasaki, Y. Tokura, "Competing electronic orders in anisotropically strained (Pr0.6Ca0.4)1-x(La0.6Sr0.4)xMnO3 thin films" Phys. Rev. B 82, 052406 (2010). M. Mochizuki, N. Nagaosa, "Theoretically Predicted Picosecond Optical Switching of Spin Chirality in Multiferroics" Phys. Rev. Lett. 105, 147202 (2010). H. Murakawa, Y. Onose, S. Miyahara, N. Furukawa, Y. Tokura, "Ferroelectricity Induced by Spin-Dependent Metal-Ligand Hybridization in Ba2CoGe2O7" Phys. Rev. Lett. 105, 137202 (2010). Y. Kohara, Y. Yamasaki, Y. Onose, Y. Tokura, "Excess-electron induced polarization and magnetoelectric effect in yttrium iron garnet" Phys. Rev. B 82, 104419 (2010). M. Mochizuki, N. Furukawa, "Theory of magnetic switching of ferroelectricity in spiral magnets" Phys. Rev. Lett. 105, 187601 (2010). J. Fujioka, T. Yasue, S. Miyasaka, Y. Yamasaki, T. Arima, H. Sagayama, T. Inami, K. Ishii, Y. Tokura, "Critical competition between two distinct orbital-spin ordered states in perovskite vanadates" Phys. Rev. B 82, 144425 (2010). J. Fujioka, Y. Ida, Y. Takahashi, N. Kida, R. Shimano, Y. Tokura, "Optical investigation of the collective dynamics of charge-orbital density waves in layered manganites" Phys. Rev. B 82, 140409 R (2010). 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 (2010). S. Horiuchi, R. Kumai, J. Fujioka, Y. Tokura, "Supramolecularapproachtoorganicferroelectrics" Physica B 405 S334-S337 (2010). H. Sakai, S. Ishiwata, D. Okuyama, A. Nakao, H. Nakao, Y. Murakami, Y. Taguchi, Y. Tokura, "Electron doping in the cubic perovskite SrMnO3: Isotropic metal versus chainlike ordering of Jahn-Teller polarons" Phys. Rev. B 82, 180409 (2010). K. Shibuya, M. Kawasaki, Y. Tokura, Y. Tokura, "Metal-insulator transitions in TiO2/VO2 superlattices" Phys. Rev. B 82, 205118 (2010). Y. Tokunaga, Y. Kaneko, D. Okuyama, S. Ishiwata, T. Arima, S. Wakimoto, K. Kakurai, Y. Taguchi, "Multiferroic M-Type Hexaferrites with a Room-Temperature Conical State and Magnetically Controllable Spin Helicity" Phys.Rev.Lett. 105, 257201 (2010). 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" Nature Mater. DOI: 10.1038/NMAT2916 (2010). 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(2010). F. Kagawa, Y. Onose, Y. Kaneko, Y. Tokura, "Relaxation dynamics of multiferroic domain walls in DyMnO3 with cycloidal spin order " Phys.Rev.B. 83, 054413(2011). T. Okuda, K. Uto, S. Seki, Y. Onose, Y. Tokura, R. Kajimoto, M. Matsuda, "Effect of Spin Dilution on the Magnetic State of Delafossite CuCrO2 with an S = 3/2 Antiferromagnetic Triangular Sublattice" J. Phys. Soc. Jpn. 80, 014711(2011). Kezsmarki, N. Kida, H. Murakawa, S. Bordacs, Y. Onose, Y. Tokura, "Enhanced Directional Dichroism of Terahertz Light in Resonance with Magnetic Excitations of the Multiferroic Ba2CoGe2O7 Oxide Compound" Phys.Rev.Lett. 106, 057403(2011). 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(2011). N. Kida, S. Kumakura, S. Ishiwata, Y. Taguchi, Y. Tokura, "Gigantic terahertz magnetochromism via electromagnons in the hexaferrite magnet Ba2Mg2Fe12O22" Phys.Rev.B. 83, 064422(2011). B. Bryant, Ch. Renner, Y. Tokunaga, Y. Tokura, G. Aeppli, "Imaging oxygen defects and their motion at a manganite surface" Nature Communications 10.1038/ncomms1219(2011). T. Suzuki, M. S. Bahramy, R. Arita, Y. Taguchi, Y. Tokura, "Doping control and thermoelectric properties in R1-xAxZnSbO (R= La, Ce; A=Ca, Sr)" Phys.Rev.B. 83, 035204(2011). I. Ishii, Y. Tokunaga, J. Fujioka, Y. Onose, Y. Tokura, "Optical characterization of spin-charge-orbital orders in Pr(Sr1-yCay)2Mn2O7" Phys.Rev.B. 82, 245103(2011). M. Reehuis, C. Ulrich, K. Prokes, S. Matas, J. Fujioka, S. Miyasaka, Y. Tokura, B. Keimer, "Structural and magnetic phase transitions of the orthovanadates RVO3 (R = Dy, Ho, Er) as seen via neutron diffraction" Phys.Rev.B. 83, 064404(2011). M. Nakamura, Y. Tokunaga, M. Kawasaki, Y. Tokura, "Multiferroicity in an orthorhombic YMnO3 single-crystal film" Appl.Phys.Lett. 98, 082902(2011). T. Kurumaji, S. Seki, S. Ishiwata, H. Murakawa, Y. Tokunaga, Y. Kaneko and Y. Tokura, "Magnetic-Field Induced Competition of Two Multiferroic Orders in a Triangular-Lattice Helimagnet MnI2" Phys.Rev.Lett. 106, 167206(2011). N. Kanazawa, Y. Onose, T. Arima, D. Okuyama, K. Ohoyama, S. Wakimoto, K. Kakurai, S. Ishiwata and Y. Tokura, "Large Topological Hall Effect in a Short-Period Helimagnet MnGe" Phys.Rev.Lett. 106, 156603(2011). M. Uchida, K. Oishi, M. Matsuo, W. Koshibae, Y. Onose, M. Mori, J. Fujioka, S. Miyasaka, S. Maekawa, and Y. Tokura, "Thermoelectric response in the incoherent transport region near Mott transition: The case study of La1?xSrxVO3" Phys.Rev.B. 83, 165127(2011). A. Radetinac, K.S. Takahashi, L. Alff, M. Kawasaki, and Y. Tokura, "Single-crystalline Sr2MoO4 films as prepared by pulsed laser deposition" Journal of Crystal Growth 322, 38-40(2011). Y. Long Y. Kaneko S. Ishiwata Y. Taguchi and Y. Tokura, "Synthesis of cubic SrCoO3 single crystal and its anisotropic magnetic and transport properties" J. Phys.: Condens. Matter 23, 245601(2011). R. Shimano, Y. Ikebe, K. S. Takahashi, M. Kawasaki, N. Nagaosa and Y. Tokura, "Terahertz Faraday rotation induced by an anomalous Hall effect in the itinerant ferromagnet SrRuO3" EPL, 95, 17002(2011). S. Horiuchi, R. Kumai and Y. Tokura, "Hydrogen-Bonding Molecular Chains for High-Temperature Ferroelectricity" Adv. Mater. 23, 2098-2103(2011). 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, "Giant Rashba-type spin splitting in bulk BiTeI" Nat. Mat. 10, 521-526(2011). Y. Yamasaki, D. Okuyama, M. Nakamura, T. Arima, M. Kawasaki, Y. Tokura, T. Kimura and Y. Wakabayashi, "Interfacial Structure of Manganite Superlattice" J. Phys. Soc. Jpn. 80, 073601(2011). S. Miyahara and N. Furukawa, "Theory of Magnetoelectric Resonance in Two-Dimensional S=3/2 Antiferromagnet Ba2CoGe2O7 via Spin-Dependent Metal-Ligand Hybridization Mechanism" J. Phys. Soc. Jpn. 80, 073708(2011). S. Ishiwata, M. Tokunaga, Y. Kaneko, D. Okuyama, Y. Tokunaga, S. Wakimoto, K. Kakurai, T. Arima, Y. Taguchi and Y. Tokura, "Versatile helimagnetic phases under magnetic fields in cubic perovskite SrFeO3" Phys.Rev.B. 84, 054427(2011). Y. Onose, R. Yoshimi, A. Tsukazaki, H. Yuan, T. Hidaka, Y. Iwasa, M. Kawasaki and Y. Tokura, "Pulsed laser deposition and ionic liquid gate control ofepitaxial Bi2Se3 thin films" Applied Physics Express 4, 083001(2011). R. Iida, T. Satoh, T. Shimura, K. Kuroda, B. A. Ivanov, Y. Tokunaga and Y. Tokura, "Spectral dependence of photoinduced spin precession in DyFeO3" Phys.Rev.B. 84, 064402(2011). 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, "Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3" Phys.Rev.B. 84, 054440(2011). Y. Shiomi, S. Ishiwata, Y. Taguchi and Y. Tokura, "Mott insulator to metal transition in filling-controlled SmMnAsO1-x" Phys.Rev.B. 84, 054519(2011). Y. Tokura and N. Kida, "Dynamical magnetoelectric effects in multiferroic oxides" Phil. Trans. R. Soc. A 369, 3679-3694(2011). Y. Tokunaga, D. Okuyama, T. Kurumaji, T. Arima, H. Nakao, Y. Murakami, Y. Taguchi and Y. Tokura, "Multiferroicity in NiBr2 with long-wavelength cycloidal spin structure on a triangular lattice" Phys.Rev.B. 84, 060406(2011). J. S. Lee, G. A. H. Schober, M. S. Bahramy, H. Murakawa, Y. Onose, R. Arita, N. Nagaosa and Y. Tokura, "Optical Response of Relativistic Electrons in the Polar BiTeI Semiconductor" Phys.Rev.Lett. 107, 117401(2011). K. Takubo, R. Kubota, T. Suzuki, T. Kanzaki, S. Miyahara, N. Furukawa, and T. Katsufuji, "Evolution of phonon Raman spectra with orbital ordering in spinel MnV2O4" Phys.Rev.B. 84, 094406(2011). 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, "Displacement-Type Ferroelectricity with Off-Center Magnetic Ions in Perovskite Sr1-xBaxMnO3" Phys.Rev.Lett. 107, 137601(2011). S. Ishiwata, Y. Tokunaga, Y. Taguchi, and Y. Tokura, "High-Pressure Hydrothermal Crystal Growth and Multiferroic Properties of a Perovskite YMnO3" J. Am. Chem. Soc. 133, 13818 (2011). M. Mochizuki, N. Furukawa, and N. Nagaosa, "Theory of spin-phonon coupling in multiferroic manganese perovskites RMnO3" Phys.Rev.B. 84, 144409(2011). S. Miyahara and N. Furukawa, "Numerical Simulation of Spin-Chirality Switching in Multiferroics via Intense Electromagnon Excitations" J. Journal of Physics: Conference Series 320, 012082(2011). Y. Takahashi, R. Shimano, Y. Kaneko, H. Murakawa and Y. Tokura, "Magnetoelectric resonance with electromagnons in a perovskite helimagnet" Nat. Phys. doi:10.1038/nphys2161 (2011). M. Hudl, R. Mathieu, S. A. Ivanov, M. Weil, V. Carolus, Th. Lottermoser, M. Fiebig, Y. Tokunaga, Y. Taguchi, Y. Tokura and P. Nordblad, "Complex magnetism and magnetic-field-driven electrical polarization of Co3TeO6" Phys.Rev.B. 84, 180404(2011). 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, "Orbital characters of three-dimensional Fermi surfaces in Eu2-xSrxNiO4 as probed by soft-x-ray angle-resolved photoemission spectroscopy" Phys.Rev.B. 84, 241109(2011).
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