arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2205.04585cond-mat.mtrl-sci
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层状MPX3(M = Ni,Mn; X = S,Se)中非磁性配体取代控制磁交换和各向异性

Controlling magnetic exchange and anisotropy by non-magnetic ligand substitution in layered MPX3 (M = Ni, Mn; X = S, Se)

Rabindra Basnet, K. Kotur, M. Rybak, Cory Stephenson, Samuel Bishop, C. Autieri, M. Birowska, Jin Hu

摘要:

最近在二维(2D)磁学的发现加强了对范德华(vdW)磁性材料的研究,并进一步提高了我们调整其磁性能的能力。反铁磁金属硫代磷酸盐MPX 3的可调磁性已被广泛研究。金属离子M的取代已被采用作为一个重要的技术,以工程的磁性在MPX 3。在这项工作中,我们研究了以前未探索的硫族元素X在MPX 3(M = Mn/Ni; X = S/Se)的取代。我们合成了MnPS_(3-x)Sex(0 < x < 3)和NiPS_(3-x)Sex(0 < x < 1.3)单晶,并研究了磁性随x的系统演化。我们的研究揭示了有效的调整磁相互作用和各向异性MnPS 3和NiPS 3硒取代后。这种有效的磁性工程提供了一个合适的平台,以了解低维磁性和开发未来的磁性器件。

英文摘要:

Recent discoveries in two-dimensional (2D) magnetism have intensified the investigation of van der Waals (vdW) magnetic materials and further improved our ability to tune their magnetic properties. Tunable magnetism has been widely studied in antiferromagnetic metal thiophosphates MPX3. Substitution of metal ions M has been adopted as an important technique to engineer the magnetism in MPX3. In this work, we have studied the previously unexplored chalcogen X substitutions in MPX3 (M = Mn/Ni; X = S/Se). We synthesized the single crystals of MnPS3-xSex (0 < x < 3) and NiPS3-xSex (0 < x < 1.3) and investigated the systematic evolution of the magnetism with varying x. Our study reveals the effective tuning of magnetic interactions and anisotropies in both MnPS3 and NiPS3 upon Se substitution. Such efficient engineering of the magnetism provides a suitable platform to understand the low-dimensional magnetism and develop future magnetic devices.

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