[14a-A16-1~11] 7.4 Buried interface sciences with quantum beam

△ [14a-A16-1] Study of mechanism for ultrafast magnetization reversal using M-edge resonant magneto-optical Kerr effect with a seeded free electron laser

〇(D)Shingo Yamamoto^{1, 2}, Munetaka Taguchi³, Takashi Someya^{1, 2}, Yuya Kubota^{1, 2}, Suguru Ito^{1, 2}, Hiroki Wadati^{1, 2}, Masami Fujisawa², Flavio Capotondi⁴, Emanuele Pedersoli⁴, Michele Manfredda⁴, Francesco Casolari⁴, Maya Kiskinova⁴, Jun Fujii⁵, Paolo Moras⁵, Tetsuya Nakamura^{2, 6}, Takeshi Kato⁷, Satoshi Iwata⁸, Shik Shin², Iwao Matsuda^{1, 2} (1.Univ. of Tokyo, 2.ISSP, 3.NAIST, 4.FERMI, 5.ELETTRA, 6.JASRI, 7.Nagoya Univ., 8.Nagoya Univ. EcoTopia Science Institute)

Keywords:ultrafast spin dynamics,Free Electron Laser,Ferrimagnet