Single crystal growth and magnetic properties in triangular chain compound Ni2SiO4

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

Journal of Magnetism and Magnetic Materials Pub Date : 2024-09-26 DOI:10.1016/j.jmmm.2024.172559

R. Chen , Z. Qu , T. Li , H.J. Hu , C.B. Liu , C. Dong , Y. Qiu

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引用次数: 0

Abstract

Sub-centimeter-scale Ni₂SiO₄ single crystals were grown by a flux method with K₂MoO₄ as the flux. The obtained crystals exhibit high quality and were characterized using X-ray diffraction, chemical analysis, and magnetic properties, including high magnetic field (H) magnetization (M) measurements. The results of magnetic susceptibility and specific heat of a single crystal reveal significant magnetic anisotropy and antiferromagnetic ordering below T_N = 30 K. High-field magnetization up to 43 T of polycrystalline shows six magnetic phase transitions at H₁ = 14 T, H₂ = 18.4 T, H₃ = 23 T, H₄ = 29 T, H₅ = 32.5 T, and H₆ = 37 T, forming a complex magnetic phase diagram with seven phases. Notably, the M exhibits a linear relationship with H during phases V (H₄ < H < H₅) and VII (H > H₆), showing intercepts at 0 and half of magnetization saturation respectively, implying the presence of a spin flop transition and a 1/2 magnetization plateau. These novel phenomena in such a triangular chain system highlight complex physical nature, making Ni₂SiO₄ a promising candidate for studying intricate magnetic interactions.

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三角链化合物 Ni2SiO4 的单晶生长和磁性能

以 K2MoO4 作为助熔剂，通过助熔剂法生长出了亚厘米级的 Ni2SiO4 单晶体。所获得的晶体质量很高，并通过 X 射线衍射、化学分析和磁性能（包括高磁场（H）磁化（M）测量）进行了表征。单晶的磁感应强度和比热结果表明，在 TN = 30 K 以下具有显著的磁各向异性和反铁磁有序性。高磁场磁化高达 43 T 的多晶体在 H1 = 14 T、H2 = 18.4 T、H3 = 23 T、H4 = 29 T、H5 = 32.5 T 和 H6 = 37 T 处显示出六个磁相变，形成了一个具有七个相的复杂磁相图。值得注意的是，在相 V（H4 <；H <；H5）和相 VII（H >；H6）期间，M 与 H 呈线性关系，截距分别为磁化饱和的 0 和一半，这意味着存在自旋翻转转变和 1/2 磁化高原。这种三角链体系中的这些新现象凸显了其复杂的物理本质，使 Ni2SiO4 成为研究复杂磁相互作用的理想候选物质。

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.