>>121 Nanoscale writing and erasing of amorphous marks in a GeSbTe thin film with a gold nanoparticle by femtosecond laser irradiation 金ナノロッドを用いたナノ領域相変化および検出 A Complete Switching of the Surface Plasmon Resonance due to Ultrafast Pphase Change of GeSbTe Substrate Femtosecond Nanoscale Phase-Change Dynamics in GeSbTe Thin Films Giant Surface Plasmon Resonance Switching of Gold Nanoparticles Based on Ultrafast Phase Change of GeSbTe Surface Plasmon Resonance Switching of Gold Nanoparticles Based on Ultrafast Phase Change of GeSbTe フェムト秒ナノスケール電子励起によるGeSbTeの相変化誘起