Novel magnetic properties of nanostructured Fe50Cr40P10 (wt.%) powders

IF 1.4 4区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2024-06-02 DOI:10.1080/10426507.2024.2395256
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Abstract

The purpose of this investigation is to examine the evolution of phase formation, structural, microstructural, and magnetic properties of the Fe50Cr40P10 (wt.%) powder mixture as a function of milling time. The Rietveld refinements of X-ray diffraction patterns indicated the formation of two bcc chromium solid solutions, Fe33Cr2 and Fe2Cr5, embedded within α-Fe (P) solid solution. The magnetic measurements reveal a ferromagnetic behavior regardless of milling time, but highlight a new behavior of phosphorus as an alphagen element to promote the alpha iron chromium solid solution formation with lower hysteresis loss energy and maximum values of the magnetic properties (coercivity, Hc, nucleation field, Hn, initial µi and maximum µmax magnetizations permeabilities as well as the hysteresis loss energy EHL). The evolution of magnetic fields has been correlated with the evolution of <L>, rms <σ2>1/2, and dislocation density ρ.
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纳米结构 Fe50Cr40P10(重量百分比)粉末的新型磁性能
本研究旨在考察 Fe50Cr40P10(重量百分比)粉末混合物的相形成、结构、微观结构和磁性能随研磨时间的变化情况。X 射线衍射图样的里特维尔德细化表明,在 α-Fe (P) 固溶体中形成了两种 bcc 铬固溶体,即 Fe33Cr2 和 Fe2Cr5。磁性测量结果表明,无论研磨时间长短都会产生铁磁性,但突出了磷作为一种α元素的新特性,它能促进α铁铬固溶体的形成,并具有较低的磁滞损耗能和最大的磁性能值(矫顽力 Hc、成核磁场 Hn、初始 µi 和最大 µmax 磁导率以及磁滞损耗能 EHL)。磁场的演变与 <L>、rms <σ2>1/2、位错密度 ρ 的演变相关。
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来源期刊
CiteScore
2.60
自引率
7.70%
发文量
103
审稿时长
2.1 months
期刊介绍: Phosphorus, Sulfur, and Silicon and the Related Elements is a monthly publication intended to disseminate current trends and novel methods to those working in the broad and interdisciplinary field of heteroatom chemistry.
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