Publications

"Electronic structure of the Kramers nodal-line semimetal YAuGe"
T. Kurumaji, J. I. Facio, N. Mitsuishi, S. Imajo, M. Gen, M. Kimata, L. Ye, D. Graf, M. Sakano, M. Kitamura, K. Yamagami, K. Ishizaka, K. Kindo, and T.-h. Arima
(arXiv:2501.08973 (2025)).

"Canted antiferromagnetism in a spin-orbit coupled S_eff = 3/2 triangular-lattice magnet DyAuGe"
T. Kurumaji, M. Gen, S. Kitou, K. Ikeuchi, H. Sagayama, H. Nakao, T. R. Yokoo, and T.-h. Arima
(accepted at Nat. Commun., (2025), arXiv:2401.16622 (2024)).

"Light-induced reorientation transition in an antiferromagnetic semiconductor"
B. T. Fichera*, B. Lv*, K. Morey, Z. Shen, C. Lee, E. Donoway, A. Liebman-Peláez, A. Kogar, T. Kurumaji, M. Rodriguez-Vega, R. H. A. del Toro, M. Arruabarrena, B. Ilyas, T. Luo, P. Müller, A. Leonardo, A. Ayuela, G. A. Fiete, J. G. Checkelsky, J. Orenstein , N. Gedik
(accepted at Physical Review X (2024), arXiv:2502.00642 (2025))

"Incommensurate broken-helix induced by nonstoichiometry in the axion insulator candidate EuIn₂As₂"
M. Gen, Y. Fujishiro, K. Okigami, S. Hayami, M. T. Birch, K. Adachi, D. Hashizume, T. Kurumaji, H. Sagayama, H. Nakao, Y. Tokura, T.-h. Arima
(Physical Review B 111, L081109 (2025), arXiv:2403.03022 (2024)).

"Electronic commensuration of a spin moiré superlattice in a layered magnetic semimetal"
T. Kurumaji, N. Paul, S. Fang, P. M. Neves, M. Kang, J. S. White, T. Nakajima, D. Graf, L. Ye, M. K. Chan, T. Suzuki, J. Denlinger, C. Jozwiak, A. Bostwick, E. Rotenberg, Y. Zhao, J. W. Lynn, E. Kaxiras, Riccardo Comin, L. Fu, and J. G. Checkelsky
(Science Advances 11, eadu6686 (2025))

"Exotic spin excitations in a polar magnet VOSe₂O₅"
T. Araki, R. Takagi, T. Kurumaji, Y. Tokura, M. Mochizuki, and S. Seki
(Physical Review Letters 133, 136702 (2024))

"Metamagnetism and anomalous magnetotransport properties in rare-earth-based polar semimetals RAuGe (R = Dy, Ho, and Gd)"
T. Kurumaji, M. Gen, S. Kitou, and T.-h. Arima
(Physical Review B 110, 064409 (2024), arXiv:2405.00628 (2024)).

"Magnetoelectric coupling based caloric effect in multiferroic GdFeO₃"
R. Ikeda, T. Kurumaji, Y. Tokunaga, and T.-h. Arima
(Journal of the Physical Society of Japan 93, 094709 (2024), arXiv:2303.01146 (2023)).
Selected as an Editors' Choice, News and comments by Prof. Y. Nii: doi.org/10.7566/JPSJNC.21.16.

"Contrasting magnetothermal conductivity in sibling Co-based honeycomb-lattice antiferromagnets"
M. Ueno*, T. Kurumaji*, S. Kitou, M. Gen, Y. Nakamura, Y. Tokunaga, and T.-h. Arima (* these authors equally contributed to this work)
(Physical Review B 110, L041116 (2024), arXiv:2407.00963 (2024))

"Giant chiral magnetoelectric oscillations in a van der Waals multiferroic"
F. Y. Gao, X. Peng, X. Cheng, E. Viñas Boström, D. S. Kim, R. K. Jain, D. Vishnu, K. Raju, R. Sankar, S.-F. Lee, M. A. Sentef, T. Kurumaji, X. Li, P. Tang, A. Rubio, E. Baldini,
(Nature 632, 273 (2024)).

"Metamagnetic multiband Hall effect in Ising antiferromagnet ErGa₂"
T. Kurumaji, S. Fang, L. Ye, S. Kitou, and J. G. Checkelsky,
(Proc. Natl. Acad. Sci. USA 121, e2318411121 (2024), arXiv:2405.18325 (2024)).

"Multiple magnetoelectric plateaus in the polar magnet Fe₂Mo₃O₈"
Q. Chen, A. Miyake, T. Kurumaji, K. Matsuura, F. Kagawa, S. Miyahara, Y. Tokura, and M. Tokunaga
(Physical Review B 109, 094419 (2024), arXiv:2309.10583 (2023)).

"Breathing pyrochlore magnet CuGaCr₄S₈: magnetic, thermodynamic, and dielectric properties"
M. Gen, H. Ishikawa, A. Miyake, T. Yajima, H. O. Jeschke, H. Sagayama, A. Ikeda, Y. H. Matsuda, K. Kindo, M. Tokunaga, Y. Kohama, T. Kurumaji, Y. Tokunaga, and T. Arima
(Physical Review Materials 7, 104404 (2023), arXiv:2303.10671 (2023)).

"Low-temperature hysteresis broadening emerging from domain-wall creep dynamics in a two-phase competing system"
K. Matsuura, Y. Nishizawa, Y. Kinoshita, T. Kurumaji, A. Miyake, H. Oike, M. Tokunaga, Y. Tokura, and F. Kagawa (Communications Materials 4, 71 (2023)).

"Crucial roles of phase competition and spin-lattice relaxation in gigantic switchable optomagnet effect of (Fe_0.875Zn_0.125)₂Mo₃O₈"
Y. H. Zhuang, H. W. Liu, Y. H. Li, Y. M. Chang, T. Kurumaji, Y. Tokura, and Y. M. Sheu
(Physical Review B 108, 024421 (2023)).

"Symmetry-based requirement for the measurement of electrical and thermal Hall conductivity under an in-plane magnetic field"
T. Kurumaji
(Physical Review Research 5, 023138 (2023), arXiv:2304.00785 (2023)).

"Thermodynamic determination of the equilibrium first-order phase-transition line hidden by hysteresis in a phase diagram"
K. Matsuura, Y. Nishizawa, M. Kriener, T. Kurumaji, H. Oike, Y. Tokura, and F. Kagawa (Scientific Reports 13, 6876 (2023), arXiv:2303.00327 (2023)).

"Double dome structure of the Bose-Einstein condensation in diluted S = 3/2 quantum magnets"
Y. Watanabe, A. Miyake, M. Gen, Y. Mizukami, K. Hashimoto, T. Shibauchi, A. Ikeda, M. Tokunaga, T. Kurumaji, Y. Tokunaga, and T.-h. Arima
(Nature Communications 14, 1260 (2023)).

"Single crystal growths and magnetic properties of hexagonal polar semimetals RAuGe (R = Y, Gd-Tm, and Lu)"
T. Kurumaji, M. Gen, S. Kitou, K. Ikeuchi, M. Nakamura, A. Ikeda, and T.-h. Arima
(Journal of Alloys and Compounds 947, 169475 (2023), arXiv:2301.02794 (2023)).

"Magnetic-field-induced antiferromagnetic-antiferromagnetic phase transition in quasi-two-dimensional multiferroic material Ba₂FeSi₂O₇"
Y. Watanabe, M. Gen, T. Kurumaji, Y. Tokunaga, and T.-h. Arima
(Journal of the Physical Society of Japan, 92, 014701 (2023)).

"Rhombic skyrmion lattice coupled with orthorhombic structural distortion EuAl₄"
M. Gen, R. Takagi, Y. Watanabe, S. Kitou, H. Sagayama, N. Matsuyama, Y. Kohama, A. Ikeda, Y. Ōnuki, T. Kurumaji, T.-h. Arima, and S. Seki
(Physical Review B 107, L020410 (2023), arXiv:2209.12751 (2022)).

"Polarized neutron scattering study on the centrosymmetric skyrmion host material Gd₂PdSi₃"
J. Ju, H. Saito, T. Kurumaji, M. Hirschberger, A. Kikkawa, Y. Taguchi, T.-h. Arima, Y. Tokura, and T. Nakajima
(Physical Review B 107, 024405 (2023), arXiv:2208.08188 (2022)).

"Anisotropic magnetotransport properties coupled with spiral spin modulation in a magnetic semimetal EuZnGe"
T. Kurumaji, M. Gen, S. Kitou, H. Sagayama, A. Ikeda, and T.-h. Arima
(Physical Review Materials 6, 094410 (2022), arXiv:2208.02385 (2022)).

"Complex magnetic phase diagram with a small phase pocket in a three-dimensional frustrated magnet CuInCr₄S₈"
M. Gen, H. Ishikawa, A. Ikeda, A. Miyake, Z. Yang, Y. Okamoto, M. Mori, K. Takenaka, T. Kurumaji, Y. Tokunaga, T. Arima, M. Tokunaga, K. Kindo, Y. H. Matsuda, and Y. Kohama
(Physical Review Research 4, 033148 (2022), arXiv:2112.08990 (2021)).

"Néel-type skyrmions detected through polarized small-angle neutron scattering"
T. Kurumaji (Neutron News 32, 20 (2021)).

"Direct observation of cycloidal spin modulation and field-induced transition in Néel-type Skyrmion-hosting VOSe₂O₅"
T. Kurumaji, T. Nakajima, A. Feoktystov, V. Ukleev, T. Arima, K. Kakurai, and Y. Tokura
(Journal of the Physical Society of Japan 90, 024705 (2021), arXiv:1912.06309 (2019)).

"Signatures of ultrafast reversal of excitonic order in Ta₂NiSe₅"
H. Ning, O. Mehio, M. Buchhold, T. Kurumaji, G. Refael, J. G. Checkelsky, and D. Hsieh
(Physical Review Letters 125, 267602 (2020), arXiv:2012.12912 (2022)).

"Topological Nernst effect of the two-dimensional skyrmion lattice"
M. Hirschberger, L. Spitz, T. Nomoto, T. Kurumaji, S. Gao, J. Masell, T. Nakajima, A. Kikkawa, Y. Yamasaki, H. Sagayama, H. Nakao, Y. Taguchi, R. Arita, T.-h. Arima, and Y. Tokura
(Physical Review Letters 125, 076602 (2020), arXiv:1910.06027 (2019)).

"High-field depinned phase and planar Hall effect in the skyrmion host Gd₂PdSi₃"
M. Hirschberger, T. Nakajima, M. Kriener, T. Kurumaji, L. Spitz, S. Gao, A. Kikkawa, Y. Yamasaki, H. Sagayama, H. Nakao, S. Ohira-Kawamura, Y. Taguchi, T.-h. Arima, and Y. Tokura
(Physical Review B 101, 220401(R) (2020), arXiv:2004.05385 (2020)).

"Ordering phenomena of spin trimers accompanied by large geometrical Hall effect"
S. Gao, M. Hirschberger, O. Zaharko, T. Nakajima, T. Kurumaji, A. Kikkawa, J. Shiogai, A. Tsukazaki, S. Kimura, S. Awaji, Y. Taguchi, T.-h. Arima, and Y. Tokura
(Physical Review B 100, 241115(R) (2019), arXiv:1908.07728 (2019)).

"Skyrmion phase and competing magnetic orders on a breathing kagomé lattice"
M. Hirschberger, T. Nakajima, S. Gao, L. Peng, A. Kikkawa, T. Kurumaji, M. Kriener, Y. Yamasaki, H. Sagayama, H. Nakao, K. Ohishi, K. Kakurai, Y. Taguchi, X.-Z. Yu, T.-h. Arima, and Y. Tokura
(Nature Communications 10, 5831 (2019), arXiv:1812.02553 (2018)).

"Spiral spin structures and skyrmions in multiferroics"
T. Kurumaji (Physical Sciences Reviews 5, 20190016 (2019), also a book chapter in Multiferroics: Fundamentals and Applications, Eds. A. Cano, D. Meier, and M. Trassin, De Gruyter (2021)).

"Picosecond creation of switchable optomagnets from a polar antiferromagnet with giant photoinduced Kerr rotations"
Y. M. Sheu, Y. M. Chang, C. P. Chang, Y. H. Li, K. R. Babu, G. Y. Guo, T. Kurumaji, and Y. Tokura
(Physical Review X 9, 031038 (2019), arXiv:2109.03498 (2021)).

"Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet"
T. Kurumaji, T. Nakajima, M. Hirschberger, A. Kikkawa, Y. Yamasaki, H. Sagayama, H. Nakao, Y. Taguchi, T.-h. Arima, and Y. Tokura
(Science 365, 914 (2019), arXiv:1805.10719 (2018)).

"Néel-type skyrmion lattice in the tetragonal polar magnet VOSe₂O₅"
T. Kurumaji, T. Nakajima, V. Ukleev, A. Feoktystov, T. Arima, K. Kakurai, and Y. Tokura
(Physical Review Letters 119, 237201 (2017), arXiv:1710.04000 (2017)).

"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
(Physical Review Letters 119, 077206, (2017)).

"Shift current photovoltaic effect in a ferroelectric charge-transfer complex"
M. Nakamura, S. Horiuchi, F. Kagawa, N. Ogawa, T. Kurumaji, S. Ishibashi, Y. Tokura, and M. Kawasaki
(Nature Communications 8, 281, (2017)).

"Giant thermal Hall effect in multiferroics"
T. Ideue, T. Kurumaji, S. Ishiwata, and Y. Tokura
(Nature Materials 16, 797, (2017)).

"Current-induced nucleation and annihilation of magnetic skyrmions at room temperature in a chiral magnet"
X. Z. Yu, D. Morikawa, Y. Tokunaga, M. Kubota, T. Kurumaji, H. Oike, M. Nakamura, F. Kagawa, Y. Taguchi, T. Arima, M. Kawasaki, and Y. Tokura
(Advanced Materials 29, 1606178, (2017)).

"Diagonal magnetoelectric susceptibility and effect of Fe doping in the polar ferrimagnetic Mn₂Mo₃O₈"
T. Kurumaji, S. Ishiwata, and Y. Tokura
(Physical Review B 95, 045142 (2017), arXiv:1611.09458 (2016)).

"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
(Physical Review B 95, 020405(R) (2017), arXiv:1609.07230 (2016)).

"Doping-tunable ferrimagnetic phase with large magnetoelectric effect in a polar magnet Fe₂Mo₃O₈"
T. Kurumaji, S. Ishiwata, and Y. Tokura
(Physical Review X 5, 031034 (2015)).

"Magnetoelectric responses from the respective magnetic R and Fe subsystems in noncentrosymmetric antiferromagnets RFe₃(BO₃)₄ (R = Eu, Gd, and Tb)"
T. Kurumaji, K. Ohgushi, and Y. Tokura
(Physical Review B 89, 195126 (2014)).

"Magnetoelectric responses induced by domain rearrangement and spin structural change in triangular-lattice helimagnets NiI₂ and CoI₂"
T. Kurumaji, S. Seki, S. Ishiwata, H. Murakawa, Y. Kaneko, and Y. Tokura
(Physical Review B 87, 014429 (2013)).

"Multiferroicity in NiBr₂ with long-wavelength cycloidal spin structure on a triangular lattice"
Y. Tokunaga, D. Okuyama, T. Kurumaji, T. Arima, H. Nakao, Y. Murakami, Y. Taguchi, and Y. Tokura
(Physical Review B 84, 060406 (2011)).

"Magnetic-field Induced competition of two multiferroic orders in a triangular-lattice helimagnet MnI₂"
T. Kurumaji, S. Seki, S. Ishiwata, H. Murakawa, Y. Tokunaga, Y. Kaneko, and Y. Tokura
(Physical Review Letters 106, 167206 (2011), arXiv:1103.5294 (2011)).

"Cupric chloride CuCl₂ as an S = 1/2 chain multiferroic"
S. Seki, T. Kurumaji, S. Ishiwata, H. Matsui, H. Murakawa, Y. Tokunaga, Y. Kaneko, T. Hasegawa, and Y. Tokura
(Physical Review B 82, 064424 (2010), arXiv:1008.5226 (2010)).

Book chapter in Multiferroics: Fundamentals and Applications, Eds. A. Cano, D. Meier, and M. Trassin, De Gruyter (2021)

Article in 物理科学, この1年　2022 (physics news in 2022), パリティ編集委員会, Maruzen publishing group (2022) (in Japanese)

Article for Researches in Butsuri Vol. 79, No. 4, The Physical Society of Japan, (2024) (in Japanese)

Note on symmetry for 68th Condensed Matter Physics Summer School (2023) (in Japanese)

Article for Book Reviews in Butsuri Vol. XX, No. X, The Physical Society of Japan, (20XX) (in Japanese)