Matches in SemOpenAlex for { <https://semopenalex.org/work/W2144324214> ?p ?o ?g. }
- W2144324214 abstract "A high coercivity of up to $5.1phantom{rule{0.3em}{0ex}}mathrm{kOe}$ was induced in a large-grained ${mathrm{CoFe}}_{2}{mathrm{O}}_{4}$ powder after milling for a short time $(1.5phantom{rule{0.3em}{0ex}}mathrm{h})$. It was found that the initial grain (particle) size played an important role in the microstructural evolution and in the magnetic properties of the milled ${mathrm{CoFe}}_{2}{mathrm{O}}_{4}$ materials. The milling-induced microstructural evolution was analyzed using x-ray diffraction and transmission electron microscopy. The results indicated that the milling-induced high coercivity was associated with the highly-strained and defective microstructure. The enhancement in magnetic anisotropy was observed in large-grained ${mathrm{CoFe}}_{2}{mathrm{O}}_{4}$ after milling, which might be mainly attributed to the stress anisotropy. In order to understand the coercivity mechanisms, detailed magnetic studies were carried out by the investigation of the field-dependent magnetization (demagnetization) behaviors and the magnetization reversal processes based on both the micromagnetic model and the phenomenological model. The results revealed that a domain wall pinning-controlled mechanism was responsible for the milling-induced high coercivity in ${mathrm{CoFe}}_{2}{mathrm{O}}_{4}$ materials." @default.
- W2144324214 created "2016-06-24" @default.
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- W2144324214 date "2006-11-22" @default.
- W2144324214 modified "2023-10-10" @default.
- W2144324214 title "Microstructural evolution and its influence on the magnetic properties of<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mi>CoFe</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant=normal>O</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>powders during mechanical milling" @default.
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- W2144324214 doi "https://doi.org/10.1103/physrevb.74.184427" @default.
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