研究目的
Investigating the magnetization reversal process and domain structure control in Ni wires fabricated on a LiNbO3 substrate to understand the effects of magnetic anisotropy induced by the heterojunction.
研究成果
The heterojunction between Ni wires and LiNbO3 substrate induces a magnetic anisotropy that influences the formation of stripe-domain structures and controls domain-wall displacement, offering a method to modulate magnetization switching processes.
研究不足
The study is limited to room temperature measurements and specific dimensions of Ni wires. The effects of temperature variations and different wire dimensions were not explored.
1：Experimental Design and Method Selection:
The study utilized magnetoresistance measurement, Kerr microscopy, and micromagnetic simulation to investigate the magnetization reversal process.
2：Sample Selection and Data Sources:
30 nm thick Ni wires with specific dimensions were fabricated on a LiNbO3 substrate.
3：List of Experimental Equipment and Materials:
Ni wires, LiNbO3 substrate, Kerr microscope, magnetron sputtering for fabrication.
4：Experimental Procedures and Operational Workflow:
Fabrication of Ni wires, MR measurement, Kerr microscopy observation, and micromagnetic simulation.
5：Data Analysis Methods:
Analysis of MR ratios, observation of domain structures via Kerr microscopy, and simulation of magnetization distributions.
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