通过镍替代调整 Sr0.54Ca0.46Fe6.5-xNixAl5.5O19 六元晶的结构、形态和磁性能

IF 2.1 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

Solid State Communications Pub Date : 2024-11-16 DOI:10.1016/j.ssc.2024.115760

S. Elkhouad , Z. Yamkane , M. Sadik , R. Moubah , M. Moutataouia , H. Lassri , L. Bessais , J. Horcheni , H. Jaballah , M. Abdellaoui

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引用次数: 0

摘要

采用溶胶-凝胶自动燃烧法制备了 Sr0.54Ca0,46Fe6.5-xNixAl5.5O19 (0 ≤ x ≤ 0.3) 六价铁氧体粉末，并使用 X 射线衍射 (XRD)、扫描电子显微镜 (SEM) 和能量色散 X 射线光谱 (EDX) 对其进行了表征。磁性测量采用物理性质测量系统（PPMS）进行。计算了晶格参数、体积和晶格应变。XRD 分析表明，随着镍含量的增加，晶粒尺寸减小。有趣的是，磁性分析表明，镍的低磁矩显著增强了 Sr0.54Ca0.46Fe6.5-xNixAl5.5O19（0.0 ≤ x ≤ 0.3）的磁化，并降低了矫顽力场。此外，还利用饱和定律（LAS）理论提取了第一各向异性常数、各向异性场和几个基本磁性参数，为了解样品的磁性行为提供了宝贵的见解。

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Tailoring structural, morphological, and magnetic properties of Sr0.54Ca0.46Fe6.5-xNixAl5.5O19 hexaferrites via Ni substitution

Sr_0.54Ca_0,46Fe_6.5-xNi_xAl_5.5O₁₉ (0 ≤ x ≤ 0.3) hexaferrite powders were prepared by the sol-gel auto combustion method and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). Magnetic measurements were performed with physical properties measurement system (PPMS). The lattice parameters, volume, and lattice strain were calculated. XRD analyses revealed a reduction in crystallite size with increasing Ni content. Interestingly, the magnetic analysis indicated that nickel, with its low magnetic moment, significantly enhanced the magnetization of Sr_0.54Ca_0.46Fe_6.5-xNi_xAl_5.5O₁₉ (0.0 ≤ x ≤ 0.3) and reduced the coercive field. Furthermore, the Law of Approach to Saturation (LAS) theory was employed to extract the first anisotropy constant, the anisotropy field, and several essential magnetic parameters, providing valuable insights into the magnetic behavior of samples.

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来源期刊

Solid State Communications 物理-物理：凝聚态物理

CiteScore

3.40

自引率

4.80%

发文量

287

审稿时长

51 days

期刊介绍： Solid State Communications is an international medium for the publication of short communications and original research articles on significant developments in condensed matter science, giving scientists immediate access to important, recently completed work. The journal publishes original experimental and theoretical research on the physical and chemical properties of solids and other condensed systems and also on their preparation. The submission of manuscripts reporting research on the basic physics of materials science and devices, as well as of state-of-the-art microstructures and nanostructures, is encouraged. A coherent quantitative treatment emphasizing new physics is expected rather than a simple accumulation of experimental data. Consistent with these aims, the short communications should be kept concise and short, usually not longer than six printed pages. The number of figures and tables should also be kept to a minimum. Solid State Communications now also welcomes original research articles without length restrictions. The Fast-Track section of Solid State Communications is the venue for very rapid publication of short communications on significant developments in condensed matter science. The goal is to offer the broad condensed matter community quick and immediate access to publish recently completed papers in research areas that are rapidly evolving and in which there are developments with great potential impact.