Refereed papers in 2014

[958] "Elastic Stiffness of a Skyrmion Crystal" Y. Nii, A. Kikkawa, Y. Taguchi, Y. Tokura, and Y. Iwasa
Phys. Rev. Lett., 113, 267203 (2014) .
[957] "Tuning structural instability toward enhanced magnetocaloric effect around room temperature in MnCo1-xZnxGe" D. Choudhury, T. Suzuki, Y. Tokura and Y. Taguchi
Scientific Reports,, 4, 7544 (2014) .
[956] "Single-crystalline BaTiO3 films grown by gas-source molecular beam epitaxy" Y. Matsubara, K. S. Takahashi, Y. Tokura, and M. Kawasaki
Appl. Phys. Ex., 7, 125502 (2014) .
[955] "Photoemission and DMFT study of electronic correlations in SrMoO3: Effects of Hund's rule coupling and possible plasmonic sideband" H. Wadati, J. Mravlje, K. Yoshimatsu, H. Kumigashira, M. Oshima, T. Sugiyama, E. Ikenaga, A. Fujimori, A. Georges, A. Radetinac, K. S. Takahashi, M. Kawasaki, and Y. Tokura
Phys. Rev. B, 90, 205131 (2014) .
[954] "Pressure variation of Rashba spin splitting toward topological transition in the polar semiconductor BiTeI" T. Ideue, J. G. Checkelsky, M. S. Bahramy, H. Murakawa, Y. Kaneko, N. Nagaosa, and Y. Tokura
Phys. Rev. B, 90, 161107(R) (2014) .
[953] "Gate tuning of anomalous Hall effect in ferromagnetic metal SrRuO3" S. Shimizu, K. S. Takahashi, M. Kubota, M. Kawasaki, Y. Tokura, Y. Iwasa
Appl. Phys. Lett., 105, 163509 (2014) .
[952] "Trajectory of the anomalous Hall effect towards the quantized state in a ferromagnetic topological insulator" J. G. Checkelsky, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, Y. Kozuka, J. Falson, M.Kawasaki, and Y. Tokura
Nat. Phys., 10, 731 (2014) .
[951] "A time-dependent order parameter for ultrafast photoinduced phase transitions" P. Beaud, A. Caviezel, S. O. Mariager, L. Rettig, G. Ingold, C. Dornes, S-W. Huang, J.A. Johnson, M. Radovic, T. Huber, T. Kubacka, A. Ferrer, H. T. Lemke, M. Chollet, D. Zhu,J. M. Glownia, M. Sikorski, A. Robert, H. Wadati, M. Nakamura, M. Kawasaki, Y. Tokura, S.L. Johnson, and U. Staub
Nat. Mater., 13, 923 (2014) .
[950] "Coherently controlled spin precession in canted antiferromagnetic YFeO3 using terahertz magnetic field" T. H. Kim, S. Y. Hamh, J. W. Han, C. Kang, C.-S. Kee, S. Jung, J. Park, Y. Tokunaga, Y.Tokura, and J. S. Lee
Appl. Phys. Exp., 7, 093007 (2014) .
[949] "Photocontrol of Dirac electrons in a bulk Rashba semiconductor" N. Ogawa, M. S. Bahramy, Y. Kaneko, and Y. Tokura
Phys. Rev. B, 90, 125122 (2014) .
[948] "Orbital correlations and dimensional crossover in epitaxial Pr0.5Ca0.5MnO3/La0.5Sr0.5MnO3 superlattices" H. Wadati, J. Okamoto, M. Garganourakis, V. Scagnoli, U. Staub, E. Sakai, H. Kumigashira, T. Sugiyama, E. Ikenaga, M. Nakamura, M. Kawasaki, and Y. Tokura
New J. Phys., 16, 073044 (2014) .
[947] "Multi-spin-state dynamics during insulator-metal crossover in LaCoO3" A. Doi, J. Fujioka, T. Fukuda, S. Tsutsui, D. Okuyama, Y. Taguchi, T. Arima, A. Q. R. Baron, and Y. Tokura
Phys. Rev. B, 90, 081109 (2014) .
[946] "Magnetochiral dichroism resonant with electromagnons in a helimagnet" S. Kibayashi, Y. Takahashi, S. Seki, and Y. Tokura
Nat. Commun., 5, 4583 (2014) .
[945] "ESR evidence for partial melting of the orbital order in LaMnO3 below the Jahn-Teller transition" S. Schaile, H.-A. Krug von Nidda, J. Deisenhofer, M. V. Eremin, Y. Tokura, and A. Loidl
Phys. Rev. B, 90, 054424 (2014) .
[944] "Magneto-tunable photocurrent in manganite-based heterojunctions" Z. G. Sheng, M. Nakamura, W. Koshibae, T. Makino, Y. Tokura, and M. Kawasaki
Nat. Commun., 5, 4584 (2014) .
[943] "Systematic Variations in the Charge-Glass-Forming Ability of Geometrically Frustrated θ-(BEDT-TTF)2X Organic Conductors" T. Sato, F. Kagawa, K. Kobayashi, A. Ueda, H. Mori, K. Miyagawa, K. Kanoda, R. Kumai, Y. Murakami, and Y. Tokura
J. Phys. Soc. Jpn., 83, 083602 (2014) .
[942] "Magnetoelectric responses from the respective magnetic R and Fe subsystems in the noncentrosymmetric antiferromagnets RFe3(BO3)4 (R = Eu, Gd, and Tb)" T. Kurumaji, K. Ohgushi, and Y. Tokura
Phys. Rev. B., 89, 195126 (2014) .
[941] "Multiferroics of spin origin" Y. Tokura, S. Seki, and N. Nagaosa
Rep. Prog. Phys., 77, 076501 (2014) .
[940] "Electric double layer transistors with ferroelectric BaTiO3 channels" M. Ito, Y. Matsubara, Y. Kozuka, K. S. Takahashi, F. Kagawa, J. T. Ye, Y. Iwasa, K. Ueno, Y. Tokura, and M. Kawasaki
Appl. Phys. Lett., 104, 222101 (2014) .
[939] "In-plane terahertz response of thin film Sr2RuO4" Y. Takahashi, S. Chakraverty, M. Kawasaki, H. Y. Hwang, and Y. Tokura
Phys. Rev. B, 89, 165116 (2014) .
[938] "Coupled Skyrmion Sublattices in Cu2OSeO3" M. C. Langner, S. Roy, S. K. Mishra, J. C. T. Lee, X. W. Shi, M. A. Hossain, Y. -D. Chuang, S. Seki, Y. Tokura, S. D. Kevan, and R. W. Schoenlein
Phys. Rev. Lett., 112, 167202 (2014) .
[937] "Gate Control of Percolative Conduction in Strongly Correlated Manganite Films" T. Hatano, Z. Sheng, M. Nakamura, M. Nakano, M. Kawasaki, Y. Iwasa, and Y. Tokura
Adv. Mater., 26, 2874 (2014) .
[936] "Observation of the magnetic flux and threedimensional structure of skyrmion lattices by electron holography" H. S. Park, X. Yu, S. Aizawa, T. Tanigaki, T. Akashi, Y. Takahashi, T. Matsuda, N. Kanazawa, Y. Onose, D. Shindo, A. Tonomura, and Y. Tokura
Nat. Nanotechnol., 9, 337 (2014) .
[935] "Anomalous metallic ground state in BaV13O18" T. Kanzaki, J. Fujioka, Y. Tokura, H. Kuwahara, and T. Katsufuji
Phys. Rev. B, 89, 140401 (2014) .
[934] "Evolution of magnetic and structural transitions and enhancement of magnetocaloric effect in Fe1-xMnxV2O4" D. Choudhury, T. Suzuki, D. Okuyama, D. Morikawa, K. Kato, M. Takata, K. Kobayashi, R. Kumai, H. Nakao, Y. Murakami, M. Bremholm, B. B. Iversen, T. Arima, Y. Tokura, and Y. Taguchi
Phys. Rev. B, 89, 104427 (2014) .
[933] "Revealing orbital and magnetic phase transitions in Pr0.5Ca0.5MnO3 epitaxial thin films by resonant soft x-ray scattering" H. Wadati, J. Geck, E. Schierle, R. Sutarto, F. He, D. G. Hawthorn, M. Nakamura, M. Kawasaki, Y. Tokura, and G. A. Sawatzky
New J. Phys., 16, 033006 (2014) .
[932] "One-way transparency of four-coloured spin-wave excitations in multiferroic materials" I. K´ezsm´arki, D. Szaller, S. Bord´acs, V. Kocsis, Y. Tokunaga, Y. Taguchi, H. Murakawa, Y. Tokura, H. Engelkamp, T. R\~o\~om, and U. Nagel
Nat. Commun., 5, 3203 (2014) .
[931] "Emergence of nonequilibrium charge dynamics in a charge-cluster glass" T. Sato, F. Kagawa, K. Kobayashi, K. Miyagawa, K. Kanoda, R. Kumai, Y. Murakami, and Y. Tokura
Phys. Rev. B, 89, 121102 (2014) .
[930] "Dirac electron states formed at the heterointerface between a topological insulator and a conventional semiconductor" R. Yoshimi, A. Tsukazaki, K. Kikutake, J. G. Checkelsky, K. S. Takahashi, M. Kawasaki, and Y. Tokura
Nat. Mater., 13, 253 (2014) .
[929] "Thermally driven ratchet motion of a skyrmion microcrystal and topological magnon Hall effect" M. Mochizuki, X. Z. Yu, S. Seki, N. Kanazawa, W. Koshibae, J. Zang, M. Mostovoy, Y. Tokura, and N. Nagaosa
Nat. Mater., 13, 241 (2014) .
[928] "Evolution of two-dimensional antiferromagnetism with temperature and magnetic field in multiferroic Ba2CoGe2O7" V. Hutanu, A. P. Sazonov, M. Meven, G. Roth, A. Gukasov, H. Murakawa, Y. Tokura, D. Szaller, S. Bord´acs, I. K´ezsm´arki, V. K. Guduru, L. C. J. M. Peters, U. Zeitler, J. Romh´anyi, and B. N´afr´adi
Phys. Rev. B, 89, 64403 (2014) .
[927] "Photocarrier dynamics in anatase TiO2 investigated by pump-probe absorption spectroscopy" H. Matsuzaki, Y. Matsui, R. Uchida, H. Yada, T. Terashige, B.-S. Li, A. Sawa, M. Kawasaki, Y. Tokura, and H. Okamoto
J. Appl. Phys., 115, 53514 (2014) .
[926] "Stability of two-dimensional skyrmions in thin films of Mn1-xFexSi investigated by the topological Hall effect" T. Yokouchi, N. Kanazawa, A. Tsukazaki, Y. Kozuka, M. Kawasaki, M. Ichikawa, F. Kagawa, and Y. Tokura
Phys. Rev. B, 89, 64416 (2014) .
[925] "Anomalous domain-wall conductance in pyrochlore-type Nd2Ir2O7 on the verge of the metal-insulator transition" K. Ueda, J. Fujioka, Y. Takahashi, T. Suzuki, S. Ishiwata, Y. Taguchi, M. Kawasaki, and Y. Tokura
Phys. Rev. B, 89, 75127 (2014) .
[924] "Magnetic Biasing of a Ferroelectric Hysteresis Loop in a Multiferroic Orthoferrite" Y. Tokunaga, Y. Taguchi, T. Arima, and Y. Tokura
Phys. Rev. Lett., 112, 37203 (2014) .
[923] "Comment on "Robust Formation of Skyrmions and Topological Hall Effect Anomaly in Epitaxial Thin Films of MnSi" Reply" Yufan Li, N. Kanazawa, X. Z. Yu, F. Kagawa, and Y. Tokura
Phys. Rev. Lett., 112, 59702 (2014) .
[922] "Biskyrmion states and their current-driven motion in a layered manganite" X.Z. Yu, Y. Tokunaga, Y. Kaneko, W.Z. Zhang, K. Kimoto, Y. Matsui, Y. Taguchi, Y.Tokura
Nat. Commun., 5, 3198 (2014) .
[921] "Gate-tunable gigantic lattice deformation in VO2" D. Okuyama, M. Nakano, S. Takeshita, H. Ohsumi, S. Tardif, K. Shibuya, T. Hatano, H. Yumoto, T. Koyama, H. Ohashi, M. Takata, M. Kawasaki, T. Arima, Y. Tokura, and Y. Iwasa
Appl. Phys. Lett., 104, 23507 (2014) .
[920] "Glass-like recovery of antiferromagnetic spin ordering in a photo-excited manganite Pr0.7Ca0.3MnO3" S. Y. Zhou, M. C. Langner, Y. Zhu, Y.-D. Chuang, M. Rini, T. E. Glover, M. P. Hertlein, A. G. Cruz Gonzalez, N. Tahir, Y. Tomioka, Y. Tokura, Z. Hussain, and R. W. Schoenlein
Sci. Rep., 4, 4050 (2014) .
[919] "Insulator-to-Superconductor Transition upon Electron Doping in a BiS2-Based Superconductor Sr1-xLaxFBiS2" H. Sakai, D. Kotajima, K. Saito, H. Wadati, Y. Wakisaka, M. Mizumaki, K. Nitta, Y. Tokura, and S. Ishiwata
J. Phys. Soc. Jpn., 83, 14709 (2014) .
[918] "Polarization Switching Ability Dependent on Multidomain Topology in a Uniaxial Organic Ferroelectric" F. Kagawa, S. Horiuchi, N. Minami, S. Ishibashi, K. Kobayashi, R. Kumai, Y. Murakami, and Y. Tokura
Nano Lett., 14, 239 (2014) .