*Spontaneous Hall effect induced by collinear antiferromagnetic order at room temperature: R. Takagi, R. Hirakida, Y. Settai, R. Oiwa, H. Takagi, A. Kitaori, K. Yamauchi, H. Inoue, J.-I. Yamaura, D. Nishio-Hamane, S. Itoh, S. Aji, H. Saito, T. Nakajima, T. Nomoto and R. A. &. S. Seki, Nature Materials 24, 63-68 (2025).
SP-STM study of the multi-Q phases in GdRu2Si2: J. Spethmann, N. D. Khanh, H. Yoshimochi, R. Takagi, S. Hayami, Y. Motome, R. Wiesendanger, S. Seki and K. von Bergmann, Phys. Rev. Materials 8, 064404 (2024).
*Multistep topological transitions among meron and skyrmion crystals in a centrosymmetric magnet: H. Yoshimochi, R. Takagi, J. Ju, N. D. Khanh, H. Saito, H. Sagayama, H. Nakao, S. Itoh, Y. Tokura, T. Arima, S. Hayami, T. Nakajima and S. Seki, Nature Physics 20, 1001-1008 (2024).
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).
*Nonreciprocal Phonon Propagation in a Metallic Chiral Magnet: T. Nomura, X. -X. Zhang, R. Takagi, K. Karube, A. Kikkawa, Y. Taguchi, Y. Tokura, S. Zherlitsyn, Y. Kohama and S. Seki, Phys. Rev. Lett. 130, 176301 (1-6) (2023).