State Key Laboratory for Artificial Microstructure and Mesoscopic Physics School of Physics Peking University Beijing 100871 ChinaCollaborative Innovation Center of Quantum Matter School of Physics Peking University Beijing 100871 ChinaBeijing Key Laboratory for Magnetoelectric Materials and Devices Collegue of Engineering Peking University Beijing 100871 China;
Nanocomposites; Electron-beam heating; Landau model and Langevin dynamics; simulation; Synergetic crystallization;