候选拓扑材料EuZnBi的磁有序研究\(^{151}\) Eu Mössbauer\(_2\)

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-13 DOI:10.1007/s10948-024-06887-3

D. H. Ryan

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引用次数: 0

摘要

最近，何俊宝等人报道了拓扑候选者EuZnBi \(_2\)的磁有序（He et al.）。J.超低温；Nov. Magn. 37, 579 2024)，并提出在T \(_N\) = 20k的初始反铁磁跃迁下，在15k附近存在自旋重定向。这里我们用\(^{151}\) Eu Mössbauer光谱来说明情况要复杂得多。最初的排序涉及一个不相称的正弦调制结构，该结构在进一步冷却时逐渐调整。

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A \(^{151}\)Eu Mössbauer investigation of Magnetic Ordering in the Topological Material Candidate EuZnBi\(_2\)

Recently, Junbao He et al. reported on magnetic ordering in the topological candidate EuZnBi\(_2\) (He et al. J. Supercond. Nov. Magn. 37, 579 2024) and suggested that there is a spin reorientation near 15 K, below the initial antiferromagnetic transition at T\(_N\)=20 K. Here we use \(^{151}\)Eu Mössbauer spectroscopy to show that the situation is more complex. The initial ordering involves an incommensurate sinusoidally modulated structure that progressively squares up on further cooling.

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.