Exchange bias of ordered α-Fe2O3 nanowires: A first-order reversal curve analysis

Weijie Chen,Jingcai Xu,Yunxiong Zeng,Xinqing Wang,Xiaoling Peng,Hongliang Ge,Bo Hong

Journal of Magnetism and Magnetic Materials（2022）

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摘要

•Ordered α-Fe2O3 nanowires with different gap sizes and diameters were fabricated using SBA-15 as template through varying calcination temperature.•A significant exchange bias (EB) phenomenon was observed in ordered α-Fe2O3 nanowires under low-temperature.•The influence of the domain states and interactions on EB of α-Fe2O3 were investigated using FORC.•The excitation of EB at low temperatures was proven to be influenced by magnetic interactions.

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关键词

Ordered α-Fe2O3 nanowires,Interaction field,FORC,Exchange bias,Spin-glass-like phase

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