Effects of oxygen on thermal behavior and magnetic properties of FePC amorphous alloy
Source abstract
Abstract
Effects of oxygen on thermal behavior and magnetic properties of Fe 80P 13C 7 amorphous alloy were investigated in detail. Microstructures and thermal analysis revealed that crystallization behavior of oxygen-contained alloy was more sensitive to the temperature. With oxygen increasing, the saturation magnetization ( B s) of alloy increased firstly and then dropped, and the maximum value of 1.62 T was achieved with 241 ppm oxygen. The X-ray photoelectron spectroscopy result combined with atomic reconstruction model unveiled that oxygen only occupied one side of the C-centered clusters, and with oxygen doping, the breakage of Fe-C bonds triggered the more Fe-Fe and Fe-O bonds formed, and the competitive dominance of Fe-Fe supported an enhanced B s of oxygen-contained alloy. Moreover, the domain patterns were analyzed to disclose the coercivity changes of relaxed alloy. This work has important theoretical significance for re-understanding the role of oxygen in the amorphous alloy and its influence on performance.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Magnetic properties of thin films · Magnetic Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (27)
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