Refereed papers in 2017

[1108] "Tailoring tricolor structure of magnetic topological insulator for robust axion insulator" M. Mogi, M. Kawamura, A. Tsukazaki, R. Yoshimi, K. S. Takahashi, M. Kawasaki, and Y. Tokura
Sci. Adv., 3, eaao1669 (2017) .
[1107] "Topological spin-hedgehog crystals of a chiral magnet as engineered with magnetic anisotropy" N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, D. Morikawa, K. Shibata, T. Arima, F. Kagawa, A. Tsukazaki, Y. Kozuka, M. Ichikawa, M. Kawasaki, and Y. Tokura
Phys. Rev. B, 96, 220414 (2017) .
[1106] "Visualizing the evolution of surface localization in the topological state of Bi2Se3 by circular dichroism in laser-based angle-resolved photoemission spectroscopy" T. Kondo, Y. Nakashima, Y. Ishida, A. Kikkawa, Y. Taguchi, Y. Tokura, and S. Shin
Phys. Rev. B, 96, 241413 (2017) .
[1105] "Shift current in the ferroelectric semiconductor SbSI" N. Ogawa, M. Sotome, Y. Kaneko, M. Ogino, and Y. Tokura
Phys. Rev. B, 96, 241203 (2017) .
[1104] "Quantum Hall states observed in thin films of Dirac semimetal Cd3As2" M. Uchida, Y. Nakazawa, S. Nishihaya, K. Akiba, M. Kriener, Y. Kozuka, A. Miyake, Y. Taguchi, M. Tokunaga, N. Nagaosa, Y. Tokura, and M. Kawasaki
Nat. Commun., 8, 2274 (2017) .
[1103] "Stabilization of magnetic skyrmions by uniaxial tensile strain" S. Seki, Y. Okamura, K. Shibata, R. Takagi, N. D. Khanh, F. Kagawa, T. Arima, and Y. Tokura
Phys. Rev. B, 96, 220404 (2017) .
[1102] "Skyrmion formation in a bulk chiral magnet at zero magnetic field and above room temperature" K. Karube, J. S. White, D. Morikawa, M. Bartkowiak, A. Kikkawa, Y. Tokunaga, T. Arima, H. M. Rønnow, Y. Tokura, and Y. Taguchi
Phys. Rev. Materials, 1, 074405 (2017) .
[1101] "Quantized chiral edge conduction on domain walls of a magnetic topological insulator" K. Yasuda,M. Mogi, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, F. Kagawa, Y. Tokura
Science, 358, 1311 (2017) .
[1100] "Neel-Type Skyrmion Lattice in the Tetragonal Polar Magnet VOSe2O5" T. Kurumaji, T. Nakajima, V. Ukleev, A. Feoktystov, T. Arima, K. Kakurai, and Y. Tokura
Phys. Rev. Lett., 119, 237201 (2017) .
[1099] "Magnetic feld observations in CoFeB/Ta layers with 0.67-nm resolution by electron holography" T. Tanigaki, T. Akashi, A. Sugawara, K. Miura, J. Hayakawa, K. Niitsu, T. Sato, X. Yu, Y. Tomioka, K. Harada, D. Shindo, Y. Tokura, and H. Shinada
Sci. Rep., 7, 16598 (2017) .
[1098] "Superconductivity at the Polar-Nonpolar Phase Boundary of SnP with an Unusual Valence State" M. Kamitani, M.S. Bahramy, T. Nakajima, C. Terakura, D. Hashizume, T. Arima, and Y. Tokura
Phys. Rev. Lett., 119, 207001 (2017) .
[1097] "Emergence and magnetic-field variation of chiral-soliton lattice and skyrmion lattice in the strained helimagnet Cu2OSeO3" Y. Okamura, Y. Yamasaki, D. Morikawa, T. Honda, V. Ukleev, H. Nakao, Y. Murakami, K. Shibata, F. Kagawa, S. Seki, T. Arima, and Y. Tokura
Phys. Rev. B, 96, 174417 (2017) .
[1096] "Mapping the magnetization fine structure of a lattice of Bloch-type skyrmions in an FeGe thin film" A. Kovács, J. Caron, A. S. Savchenko, N. S. Kiselev, K. Shibata, Z.-A. Li, N. Kanazawa, Y. Tokura, S. Blügel, and R. E. Dunin-Borkowski
Appl. Phys. Lett., 111, 192410 (2017) .
[1095] "Current-induced viscoelastic topological unwinding of metastable skyrmion strings" F. Kagawa, H. Oike, W. Koshibae, A. Kikkawa, Y. Okamura, Y. Taguchi, N. Nagaosa, and Y. Tokura
Nat. Commun., 8, 1332 (2017) .
[1094] "Emergent functions of quantum materials" Y. Tokura, M. Kawasaki, and N. Nagaosa
Nat. Phys., 13, 1056 (2017) .
[1093] "Molecular beam epitaxy growth of superconducting Sr2RuO4 films" M. Uchida, M. Ide, H. Watanabe, K. S. Takahashi, Y. Tokura, and M. Kawasaki
APL Mater., 5, 106108 (2017) .
[1092] "Electrical magnetochiral effect induced by chiral spin fluctuations" T. Yokouchi, N. Kanazawa, A. Kikkawa, D. Morikawa, K. Shibata, T. Arima, Y. Taguchi, F. Kagawa, and Y. Tokura
Nat. Commun., 8, 886 (2017) .
[1091] "Current-Nonlinear Hall Effect and Spin-Orbit Torque Magnetization Switching in a Magnetic Topological Insulator" K. Yasuda, A. Tsukazaki, R. Yoshimi, K. Kondou, K. S. Takahashi, Y. Otani, M. Kawasaki, and Y. Tokura
Phys. Rev. Lett., 119, 137204 (2017) .
[1090] "Electronic and magnetic excitations in the half-stuffed CuO planes of Ba2Cu3O4Cl2 measured by resonant inelastic x-ray scattering" S. Fatale, C. G. Fatuzzo, P. Babkevich, N. E. Shaik, J. Pelliciari, X. Lu, D. E. McNally, T. Schmitt, A. Kikkawa, Y. Taguchi, Y. Tokura, B. Normand, H. M. Rønnow, and M. Grioni
Phys. Rev. B, 96, 115149 (2017) .
[1089] "Nonlinear Ultrafast Spin Scattering in the Skyrmion Phase of Cu2OSeO3" M. C. Langner, S. Roy, S. W. Huang, J. D. Koralek, Y.-D. Chuang, G. L. Dakovski, J. J. Turner, J. S. Robinson, R. N. Coffee, M. P. Minitti, S. Seki, Y. Tokura, and R. W. Schoenlein
Phys. Rev. Lett., 119, 107204 (2017) .
[1088] "Skyrmion lattice structural transition in MnSi" T. Nakajima, H. Oike, A. Kikkawa, .E P. Gilbert, N. Booth, K. Kakurai, Y. Taguchi, Y. Tokura, F. Kagawa and T. Arima
Sci. Adv., 3, e1602562 (2017) .
[1087] "Optical Magnetoelectric Resonance in a Polar Magnet (Fe,Zn)2Mo3O8 with Axion-Type Coupling" T. Kurumaji, Y. Takahashi, J. Fujioka, R. Masuda, H. Shishikura, S. Ishiwata, and Y. Tokura
Phys. Rev. Lett., 119, 077206 (2017) .
[1086] "Shift current photovoltaic effect in a ferroelectric charge-transfer complex" M. Nakamura, S. Horiuchi, F. Kagawa, N. Ogawa, T. Kurumaji, Y. Tokura, and M. Kawasaki
Nat. Commun., 8, 281 (2017) .
[1085] "Evidence for Weakly Correlated Oxygen Holes in the Highest-Tc Cuprate Superconductor HgBa2Ca2Cu3O8+δ" A. Chainani, M. Sicot, Y. Fagot-Revurat, G. Vasseur, J. Granet, B. Kierren, L. Moreau, M. Oura, A. Yamamoto, Y. Tokura, and D. Malterre
Phys. Rev. Lett., 119, 057001 (2017) .
[1084] "Giant thermal Hall effect in multiferroics" T. Ideue, T. Kurumaji, S. Ishiwata, and Y. Tokura
Nat. Mater., 16, 797-802 (2017) .
[1083] "Role of commensurability of spin order for optical magnetoelectric effect with electromagnons in multiferroic YMn2O5" R. Masuda, Y. Kaneko, Y. Yamasaki, Y. Tokura, and Y. Takahashi
Phys. Rev. B, 96, 041117 (2017) .
[1082] "Current-Driven Instability of the Quantum Anomalous Hall Effect in Ferromagnetic Topological Insulators" M. Kawamura, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, and Y. Tokura
Phys. Rev. Lett., 119, 016803 (2017) .
[1081] "Magnetic excitations from the two-dimensional interpenetrating Cu framework in Ba2Cu3O4Cl12" P. Babkevich, N. E. Shaik, D. Lançon, A. Kikkawa, M. Enderle, R. A. Ewings, H. C. Walker, D. T. Adroja, P. Manuel, D. D. Khalyavin, Y. Taguchi, Y. Tokura, M. Soda, T. Masuda, and H. M. Rønnow
Phys. Rev. B, 96, 014410 (2017) .
[1080] "Polar metal phase stabilized in strained La-doped BaTiO3 films" K. S. Takahashi, Y. Matsubara, M. S. Bahramy, N. Ogawa, D. Hashizume, Y. Tokura, and M. Kawasaki
Sci. Rep., 7, 4631 (2017) .
[1079] "Noncentrosymmetric Magnets Hosting Magnetic Skyrmions" N. Kanazawa, S. Seki, and Y. Tokura
Adv. Mater. , 29, 1603227 (2017) .
[1078] "Solving the Mysteries of Emergent Matter for the Benefit of Society: Research at the RIKEN Center for Emergent Matter Science" Y. Tokura and T. Aida
Adv. Mater. , 29, 1701857 (2017) .
[1077] "Spin-wave spectroscopy of the Dzyaloshinskii-Moriya interaction in room-temperature chiral magnets hosting skyrmions" R. Takagi, D. Morikawa, K. Karube, N. Kanazawa, K. Shibata, G. Tatara, Y. Tokunaga, T. Arima, Y. Taguchi, Y. Tokura, and S. Seki
Phys. Rev. B, 95, 220406 (2017) .
[1076] "Enhanced ferromagnetic transition temperature induced by a microscopic structural rearrangement in the diluted magnetic semiconductor Ge1-xMnxTe" M. Kriener, T. Nakajima, Y. Kaneko, A. Kikkawa, D. Hashizume, K. Kato, M. Takata, T. Arima, Y. Tokura, and Y. Taguchi
Phys. Rev. B, 95, 224418 (2017) .
[1075] "Nonlinear Electron-Phonon Coupling in Doped Manganites" V. Esposito, M. Fechner, R. Mankowsky, H. Lemke, M. Chollet, J. M. Glownia, M. Nakamura, M. Kawasaki, Y. Tokura, U. Staub, P. Beaud, and M. Först
Phys. Rev. Lett. , 118, 247601 (2017) .
[1074] "Bulk rectification effect in a polar semiconductor" T. Ideue, K. Hamamoto, S. Koshikawa, M. Ezawa, S. Shimizu, Y. Kaneko, Y. Tokura
Nat. Phys., 13, 578-583 (2017) .
[1073] "Carrier density control and enhanced thermoelectric performance of Bi and Cu co-doped GeTe" S. Shimano, Y. Tokura, and Y. Taguchi
APL Mater., 5, 056103 (2017) .
[1072] "Current-Induced Nucleation and Annihilation of Magnetic Skyrmions at Room Temperature in a Chiral Magnet" X. Yu, D. Morikawa, Y. Tokunaga, M. Kubota, T. Kurumaji, H. Oike, M. Nakamura, F. Kagawa, Y. Taguchi, T. Arima, M. Kawasaki, Y. Tokura
Adv. Mater., 29, 1606178 (2017) .
[1071] "Electric-field control of tri-state phase transformation with a selective dual-ion switch" N. Lu, P. Zhang, Q. Zhang, R. Qiao, Q. He, H.-B. Li, Y. Wang, J. Guo, D. Zhang, Z. Duan, Z. Li, M. Wang, S. Yang, M. Yan, E. Arenholz, S. Zhou, W. Yang, L. Gu, C.-W. Nan, J. Wu, Y. Tokura, and P. Yu
Nature, 546, 124-128 (2017) .
[1070] "Magneticfield induced multiple topological phases in pyrochlore iridates with Mott criticality" K. Ueda, T. Oh, B.-J. Yang, R. Kaneko, J. Fujioka, N. Nagaosa, and Y. Tokura
Nat. Commun., 8, 15515 (2017) .
[1069] "Magnetic structure of the magnetoelectric material Ca2CoSi2O7" A. Sazonov, V. Hutanu, M. Meven, G. Roth, H. Murakawa, Y. Tokura, V. K. Guduru, L. C. J. M. Peters, U. Zeitler, L. F. Kiss, D. Szaller, B. Náfrádi, and I. Kézsmárki
Phys. Rev. B, 95, 174431 (2017) .
[1068] "Directional electric-field induced transformation from skyrmion lattice to distinct helices in multiferroic Cu2OSeO3" Y. Okamura, Y. Yamasaki, D. Morikawa, T. Honda, V. Ukleev, H. Nakao, Y. Murakami, K. Shibata, F. Kagawa, S. Seki, T. Arima, and Y. Tokura
Phys. Rev. B, 95, 184411 (2017) .
[1067] "A magnetic heterostructure of topological insulators as a candidate for an axion insulator" M. Mogi, M. Kawamura, R. Yoshimi, A. Tsukazaki, Y. Kozuka, N. Shirakawa, K. S. Takahashi, M. Kawasaki, and Y. Tokura
Nat. Mater., 16, 516-521 (2017) .
[1066] "Universality of the helimagnetic transition in cubic chiral magnets: Small angle neutron scattering and neutron spin echo spectroscopy studies of FeCoSi" L. J. Bannenberg, K. Kakurai, P. Falus, E. Lelièvre-Berna, R. Dalgliesh, C. D. Dewhurst, F. Qian, Y. Onose, Y. Endoh, Y. Tokura, and C. Pappas
Phys. Rev. B, 95, 144433 (2017) .
[1065] "Thermal stability and irreversibility of skyrmion-lattice phases in Cu2OSeO3" K. Makino, J. D. Reim, D. Higashi, D. Okuyama, T. J. Sato, Y. Nambu, E. P. Gilbert, N.Booth, S. Seki, and Y. Tokura
Phys. Rev. B, 95, 134412 (2017) .
[1064] "Diagonal magnetoelectric susceptibility and effect of Fe doping in the polar ferrimagnet Mn2Mo3O8" T. Kurumaji, S. Ishiwata, and Y. Tokura
Phys. Rev. B, 95, 045142 (2017) .
[1063] "Quantum Phenomena Emerging Near a Ferroelectric Critical Point in a Donor-Acceptor Organic Charge-Transfer Complex" F. Kagawa, S. Horiuchi, and Y. Tokura
Crystals, 7, 106 (2017) .
[1062] "Competing Exchange Interactions in Multiferroic and Ferrimagnetic CaBaCo4O7" R. S. Fishman, S. Bordács, V. Kocsis, I. Kézsmárki, J. Viirok, U. Nagel, R. Rõõm, A. Puri, U. Zeitler, Y. Tokunaga, Y. Taguchi, and Y. Tokura
Phy. Rev. B, 95, 024423 (2017) .
[1061] "Correlated Dirac Semimetallic State with Unusual Positive Magnetoresistance in Strain-Free Perovskite SrIrO3" J. Fujioka, T. Okawa, A. Yamamoto, and Y. Tokura
Phy. Rev. B, 95, 121102 (2017) .
[1060] "Deformation of Topologically-Protected Supercooled Skyrmions in a Thin Plate of Chiral Magnet Co8Zn8Mn4" D. Morikawa, X. Z. Yu, K. Karube, Y. Tokunaga, Y. Taguchi, T. Arima, and Y. Tokura
Nano Lett., 17, 1637 (2017) .
[1059] "Temperature and Magnetic Field Dependence of the Internal and Lattice Structures of Skyrmions by Off-Axis Electron Holography" K. Shibata, A. Kovács, N.S. Kiselev, N. Kanazawa, R.E. Dunin-Borkowski, and Y. Tokura
Phys. Rev. Lett., 118, 087202 (2017) .
[1058] "Variation of Topology in Magnetic Bubbles in a Colossal Magnetoresistive Manganite" X. Z. Yu, Y. Tokunaga, Y. Taguchi,Y. Tokura
Adv. Mater., 29, 1603958 (2017) .
[1057] "Electromagnon resonance in a collinear spin state of the polar antiferromagnet Fe2Mo3O8" T. Kurumaji, Y. Takahashi, J. Fujioka, R. Masuda, H. Shishikura, S. Ishiwata, and Y. Tokura
Phys. Rev. B, 95, 020405(R) (2017) .