Kwonjin Park. (2025). Artificial tilted of spin structure of a cobalt thin film within a Co/VOx magnetic heterostructure. doi: 10.22677/THESIS.200000845463
IⅠ. Theoretical backgrounds 7 2.1 Exchange interaction 7 2.1.1 Heisenberg exchange interaction 7 2.1.2 Dzyaloshinskii-Moriya interaction 9 2.2 Magnetic anisotropy energy 13 2.2.1 Magneto-crystalline anisotropy 13 2.2.2 Shape magnetic anisotropy 17 2.2.3 Interfacial magnetic anisotropy 21 2.3 The other magnetic energies 24 2.3.1 Zeeman energy· 24 2.3.2 Landau-Lifshitz-Gilbert equation 25 2.4 Spin wave 30 2.4.1 Basic concept of spin wave 30 2.4.2 Mechanism of inelastic scattered light 33 2.5 Hall effect 35
IIⅠ. Fabrication process and Experiment tools 39 3.1 Magnetic multilayer deposition 39 3.2 Experimental tools 42 3.2.1 Magneto-optical Kerr effect 42 3.2.2 SQUID-VSM measurements 45 3.2.3 Physical properties measurement system and transport measure 46 3.2.4 Transmission Electron Microscope-Electron Energy Loss Spectroscopy 47
ⅠV. Result and discussion 52 Ferromagnetism of pure vanadium oxide and their magnetic properties 53 4.1 Overview 53 4.2 Introduction 54 4.3 Experimental results and discussion 56 4.4 Summary 75
V. Result and discussion 77 Unconventional energy occurring in vanadium oxide and the ferromagnetic layer 78 5.1 Overview 78 5.2 Introduction 79 5.3 Experimental result and discussion 81 5.4 Summary 90
