Near room-temperature formation of a skyrmion crystal in thin-films of the helimagnet FeGe XZ Yu, N Kanazawa, Y Onose, K Kimoto, WZ Zhang, S Ishiwata, Y Matsui, ...
Nature materials 10 (2), 106-109, 2011
1903 2011 Observation of skyrmions in a multiferroic material S Seki, XZ Yu, S Ishiwata, Y Tokura
Science 336 (6078), 198-201, 2012
1546 2012 Large topological Hall effect in a short-period helimagnet MnGe N Kanazawa, Y Onose, T Arima, D Okuyama, K Ohoyama, S Wakimoto, ...
Physical review letters 106 (15), 156603, 2011
681 2011 Designed ferromagnetic, ferroelectric Bi2NiMnO6 M Azuma, K Takata, T Saito, S Ishiwata, Y Shimakawa, M Takano
Journal of the American Chemical Society 127 (24), 8889-8892, 2005
499 2005 Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer M Azuma, W Chen, H Seki, M Czapski, S Olga, K Oka, M Mizumaki, ...
Nature communications 2 (1), 347, 2011
457 2011 Low-magnetic-field control of electric polarization vector in a helimagnet S Ishiwata, Y Taguchi, H Murakawa, Y Onose, Y Tokura
science 319 (5870), 1643-1646, 2008
417 2008 Observation of magnetic excitations of skyrmion crystal in a helimagnetic insulator Cu 2 OSeO 3 Y Onose, Y Okamura, S Seki, S Ishiwata, Y Tokura
Physical review letters 109 (3), 037603, 2012
381 2012 Multiferroic Y Tokunaga, Y Kaneko, D Okuyama, S Ishiwata, T Arima, S Wakimoto, ...
Physical review letters 105 (25), 257201, 2010
373 2010 Towards control of the size and helicity of skyrmions in helimagnetic alloys by spin–orbit coupling K Shibata, XZ Yu, T Hara, D Morikawa, N Kanazawa, K Kimoto, S Ishiwata, ...
Nature nanotechnology 8 (10), 723-728, 2013
350 2013 Synthesis of cubic SrCoO3 single crystal and its anisotropic magnetic and transport properties Y Long, Y Kaneko, S Ishiwata, Y Taguchi, Y Tokura
Journal of Physics: Condensed Matter 23 (24), 245601, 2011
252 2011 Magnetoelectric nature of skyrmions in a chiral magnetic insulator Cu S Seki, S Ishiwata, Y Tokura
Physical Review B—Condensed Matter and Materials Physics 86 (6), 060403, 2012
226 2012 Quantum Hall effect in a bulk antiferromagnet EuMnBi2 with magnetically confined two-dimensional Dirac fermions H Masuda, H Sakai, M Tokunaga, Y Yamasaki, A Miyake, J Shiogai, ...
Science advances 2 (1), e1501117, 2016
225 2016 Extremely high electron mobility in a phonon-glass semimetal S Ishiwata, Y Shiomi, JS Lee, MS Bahramy, T Suzuki, M Uchida, R Arita, ...
Nature materials 12 (6), 512-517, 2013
223 2013 Effect of lattice geometry on magnon Hall effect in ferromagnetic insulators T Ideue, Y Onose, H Katsura, Y Shiomi, S Ishiwata, N Nagaosa, Y Tokura
Physical Review B—Condensed Matter and Materials Physics 85 (13), 134411, 2012
222 2012 Microwave magnetoelectric effect via skyrmion resonance modes in a helimagnetic multiferroic Y Okamura, F Kagawa, M Mochizuki, M Kubota, S Seki, S Ishiwata, ...
Nature Communications 4 (1), 2391, 2013
216 2013 Formation and rotation of skyrmion crystal in the chiral-lattice insulator Cu S Seki, JH Kim, DS Inosov, R Georgii, B Keimer, S Ishiwata, Y Tokura
Physical Review B—Condensed Matter and Materials Physics 85 (22), 220406, 2012
216 2012 Perovskite manganites hosting versatile multiferroic phases with symmetric and antisymmetric exchange strictions S Ishiwata, Y Kaneko, Y Tokunaga, Y Taguchi, T Arima, Y Tokura
Physical Review B—Condensed Matter and Materials Physics 81 (10), 100411, 2010
206 2010 High pressure synthesis, crystal structure and physical properties of a new Ni (II) perovskite BiNiO 3 S Ishiwata, M Azuma, M Takano, E Nishibori, M Takata, M Sakata, K Kato
Journal of Materials Chemistry 12 (12), 3733-3737, 2002
194 2002 Possible skyrmion-lattice ground state in the N Kanazawa, JH Kim, DS Inosov, JS White, N Egetenmeyer, JL Gavilano, ...
Physical Review B—Condensed Matter and Materials Physics 86 (13), 134425, 2012
181 2012 Versatile helimagnetic phases under magnetic fields in cubic perovskite S Ishiwata, M Tokunaga, Y Kaneko, D Okuyama, Y Tokunaga, ...
Physical Review B—Condensed Matter and Materials Physics 84 (5), 054427, 2011
170 2011 
Masaki Azuma東京工業大学フロンティア材料研究所Email verificata su msl.titech.ac.jp