Study of magnetic, thermodynamic, and transport properties in orthorhombic GdNiAl3

IF 2.5 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Magnetism and Magnetic Materials Pub Date : 2025-06-23 DOI:10.1016/j.jmmm.2025.173319

S. Nallamuthu , K. Arun , A.R. Vimaljith , Sergej Ilkovic , Ivan Curlik , Marian Reiffers , R. Nagalakshmi

引用次数: 0

Abstract

The compound GdNiAl₃ crystallizes in an orthorhombic structure with the space group Pnma. Magnetization and heat capacity measurements reveal the presence of multiple magnetic transitions below the ordering temperature T_ord = 72.5 K, suggesting the existence of competing magnetic interactions within the system. This behavior is likely associated with the structural complexity of GdNiAl₃, which features randomly oriented Ni-centered tricapped trigonal prisms, further coordinated by additional aluminum atoms. Additionally, a ferromagnetic transition observed at 165.5 K is attributed to the presence of a GdAl₂ impurity phase.

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正交GdNiAl3的磁性、热力学和输运性质研究

化合物GdNiAl3结晶为具有空间基团Pnma的正交结构。磁化和热容测量显示，在有序温度Tord = 72.5 K以下存在多个磁跃迁，表明系统内存在相互竞争的磁相互作用。这种行为可能与GdNiAl3的结构复杂性有关，其特征是随机取向的ni中心三角棱镜，进一步由额外的铝原子协调。此外，在165.5 K处观察到的铁磁转变归因于GdAl2杂质相的存在。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Magnetism and Magnetic Materials 物理-材料科学：综合

CiteScore

5.30

自引率

11.10%

发文量

1149

审稿时长

59 days

期刊介绍： The Journal of Magnetism and Magnetic Materials provides an important forum for the disclosure and discussion of original contributions covering the whole spectrum of topics, from basic magnetism to the technology and applications of magnetic materials. The journal encourages greater interaction between the basic and applied sub-disciplines of magnetism with comprehensive review articles, in addition to full-length contributions. In addition, other categories of contributions are welcome, including Critical Focused issues, Current Perspectives and Outreach to the General Public. Main Categories: Full-length articles: Technically original research documents that report results of value to the communities that comprise the journal audience. The link between chemical, structural and microstructural properties on the one hand and magnetic properties on the other hand are encouraged. In addition to general topics covering all areas of magnetism and magnetic materials, the full-length articles also include three sub-sections, focusing on Nanomagnetism, Spintronics and Applications. The sub-section on Nanomagnetism contains articles on magnetic nanoparticles, nanowires, thin films, 2D materials and other nanoscale magnetic materials and their applications. The sub-section on Spintronics contains articles on magnetoresistance, magnetoimpedance, magneto-optical phenomena, Micro-Electro-Mechanical Systems (MEMS), and other topics related to spin current control and magneto-transport phenomena. The sub-section on Applications display papers that focus on applications of magnetic materials. The applications need to show a connection to magnetism. Review articles: Review articles organize, clarify, and summarize existing major works in the areas covered by the Journal and provide comprehensive citations to the full spectrum of relevant literature.