Understanding and Tuning Magnetism in Layered Ising-Type Antiferromagnet FePSe3 for Potential 2D Magnet,Advanced Electronic Materials

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Understanding and Tuning Magnetism in Layered Ising-Type Antiferromagnet FePSe3 for Potential 2D Magnet
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2024-01-14 , DOI: 10.1002/aelm.202300738
Rabindra Basnet _{1,

2} , Taksh Patel ₃ , Jian Wang ₄ , Dinesh Upreti ₁ , Santosh Karki Chhetri ₁ , Gokul Acharya ₁ , Md Rafique Un Nabi _{1,

5} , Josh Sakon ₆ , Jin Hu _{1,

7}

Affiliation

Recent developments in 2D magnetic materials have motivated the search for new van der Waals magnetic materials, especially Ising-type magnets with strong magnetic anisotropy. Fe-based MPX₃ (M = transition metal, X = chalcogen) compounds such as FePS₃ and FePSe₃ both exhibit an Ising-type magnetic order, but FePSe₃ receives much less attention compared to FePS₃. This work focuses on establishing the strategy to engineer magnetic anisotropy and exchange interactions in this less-explored compound. Through chalcogen and metal substitutions, the magnetic anisotropy is found to be immune against S substitution for Se whereas tunable only with heavy Mn substitution for Fe. In particular, Mn substitution leads to a continuous rotation of magnetic moments from the out-of-plane direction toward the in-plane. Furthermore, the magnetic ordering temperature displays non-monotonic doping dependence for both chalcogen and metal substitutions but due to different mechanisms. These findings provide deeper insight into the Ising-type magnetism in this important van der Waals material, shedding light on the study of other Ising-type magnetic systems as well as discovering novel 2D magnets for potential applications in spintronics.

中文翻译：

了解和调整层状 Ising 型反铁磁体 FePSe3 中的磁性以获得潜在的二维磁体

二维磁性材料的最新发展促使人们寻找新型范德华磁性材料，特别是具有强磁各向异性的伊辛型磁体。 FePS ₃ 和 FePSe ₃ 等铁基 MPX ₃ （M = 过渡金属，X = 硫族元素）化合物均表现出伊辛型磁序，但与 FePS ₃ 相比，FePSe ₃ 受到的关注要少得多。这项工作的重点是建立在这种较少探索的化合物中设计磁各向异性和交换相互作用的策略。通过硫属元素和金属取代，磁各向异性被发现不受 S 取代 Se 的影响，而只能通过大量 Mn 取代 Fe 来调节。特别是，Mn取代导致磁矩从面外方向向面内方向连续旋转。此外，磁有序温度对硫属元素和金属取代都表现出非单调掺杂依赖性，但由于机制不同。这些发现为这种重要的范德华材料中的伊辛型磁性提供了更深入的了解，为其他伊辛型磁系统的研究提供了线索，并发现了在自旋电子学中潜在应用的新型二维磁体。

更新日期：2024-01-14

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