Effect of incorporation of magnetization in antiferromagnetic Cr2O3 by mechanically alloying with α-Fe nanoparticles

Nihar R. Panda,Satya P. Pati,Dojalisa Sahu,Dipankar Das

Materials Letters（2021）

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摘要

•Synthesis of α-Fe-Cr2O3 nanocomposites by high energy ball milling method.•Introduction of magnetism in ME-AFM Cr2O3 by mechanically milling it with FM α-Fe.•Hyperfine study shows the formation of α-Fe undergoing superparamagnetic relaxation.•Observation of exchange bias effect with enhanced coercivity at low temperature.•Existence of remanent magnetization above room temperature.

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关键词

Antiferromagnet,Cr2O3,Ball milling,Exchange Bias,Magnetoelectric,α-Fe

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