Underlying Mechanism of Ultrafast Switching of Vortex Core Orientation in Ferromagnetic Nanodots

Lee, Ki-Suk (Research Center for Spin Dynamics and Spin-Wave Devices, Seoul National University, Nanospintronics Laboratory, Department of Materials Science and Engineering, College of Engineering, Seoul National University) ;
Guslienko, Konstantin Y. (Research Center for Spin Dynamics and Spin-Wave Devices, Seoul National University, Nanospintronics Laboratory, Department of Materials Science and Engineering, College of Engineering, Seoul National University) ;
Lee, Jun-Young (Research Center for Spin Dynamics and Spin-Wave Devices, Seoul National University, Nanospintronics Laboratory, Department of Materials Science and Engineering, College of Engineering, Seoul National University) ;
Kim, Sang-Koog (Research Center for Spin Dynamics and Spin-Wave Devices, Seoul National University, Nanospintronics Laboratory, Department of Materials Science and Engineering, College of Engineering, Seoul National University)