钴包覆钡六铁氧体薄膜的生长和磁畴成像

IF 2.7 4区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Boletin de la Sociedad Espanola de Ceramica y Vidrio Pub Date : 2025-07-01 DOI:10.1016/j.bsecv.2025.100454

Guiomar Delgado Soria , Eduardo García-Martín , Sandra Ruiz-Gómez , Clara Gutiérrez-Cuesta , José Francisco Marco , Cecilia Granados-Miralles , Eva María Trapero , Santiago Sánchez , Michael Foerster , Lucía Aballe , Juan de la Figuera , Adrián Quesada , José Emilio Prieto

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引用次数: 0

摘要

利用磁控溅射技术在Si（100）衬底上生长了bfe12o19 （BFO）薄膜，并对其进行了组成和结构表征。膜沿平行于样品平面的c轴方向和磁化方向生长。此外，还研究了BFO薄膜与钴镀层之间的磁耦合。光发射显微镜下的x射线磁性圆二色性图像显示，BFO层中的磁性区域大小为几微米，而其他区域没有磁性对比，后者归因于赤铁矿的存在。Co覆盖层中的磁畴与BFO薄膜中的磁畴没有显著相关性，表明磁耦合可以忽略不计。

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Growth and magnetic domain imaging of barium hexaferrite thin films with a Co overlayer

BaFe₁₂O₁₉ (BFO) thin films have been grown on Si(100) substrates by magnetron sputtering from previously synthesized ceramic BFO targets and have been compositionally and structurally characterized. Films grow with the c-axis orientation and magnetization direction parallel to the sample plane. In addition, the magnetic coupling between the BFO film and a deposited cobalt overlayer was studied. Images of X-ray magnetic circular dichroism in photoemission microscopy show magnetic regions in the BFO layer with domain sizes of several micrometers and others without magnetic contrast, the latter attributed to the presence of hematite. Magnetic domains in the Co overlayer show no significant correlations with those in the BFO film, pointing to a negligible magnetic coupling.

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来源期刊

Boletin de la Sociedad Espanola de Ceramica y Vidrio 工程技术-材料科学：硅酸盐

CiteScore

5.50

自引率

2.90%

发文量

审稿时长

103 days

期刊介绍： The Journal of the Spanish Ceramic and Glass Society publishes scientific articles and communications describing original research and reviews relating to ceramic materials and glasses. The main interests are on novel generic science and technology establishing the relationships between synthesis, processing microstructure and properties of materials. Papers may deal with ceramics and glasses included in any of the conventional categories: structural, functional, traditional, composites and cultural heritage. The main objective of the Journal of the Spanish Ceramic and Glass Society is to sustain a high standard research quality by means of appropriate reviewing procedures.