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Multifunctional oxides for topological magnetic textures by design
Journal of Physics D: Applied Physics ( IF 3.1 ) Pub Date : 2021-02-11 , DOI: 10.1088/1361-6463/abc03f
Z S Lim 1, 2 , A Ariando 1, 2, 3
Affiliation  

Several challenges in designing an operational skyrmion racetrack memory are well known. Among those challenges, a few contradictions can be identified if researchers are to rely only on metallic materials. Hence, expanding the exploration of skyrmion physics into oxide materials is essential to bridge the contradicting gap. In this topical review, we first briefly revise the theories and criteria involved in stabilizing and manipulating skyrmions, followed by studying the behaviors of dipolar-stabilized magnetic bubbles. Next, we explore the properties of multiferroic skyrmions with magnetoelectric coupling, which can only be stabilized in Cu2OSeO3 thus far, as well as the rare bulk Nel-type skyrmions in some polar materials. As an interlude section, we review the theory of the anomalous and topological Hall effect (THE), before going through the recent progress of THE in oxide thin films. The debate about an alternative interpretation is also discussed. Finally, this review ends with a future outlook regarding the promising strategies of using interfacial charge transfer and (111)-orientation of perovskites to benefit the field of skyrmion research.



中文翻译:

设计用于拓扑磁性纹理的多功能氧化物

设计可操作的Skyrmion跑道存储器的几个挑战是众所周知的。在这些挑战中,如果研究人员仅依赖金属材料,则可以确定一些矛盾。因此,将天体离子物理学的探索扩展到氧化物材料对于弥合矛盾的差距至关重要。在这篇专题综述中,我们首先简要地修改了稳定和操纵天体蛋白所涉及的理论和标准,然后研究了偶极稳定磁泡的行为。接下来,我们探讨了仅能在Cu 2 OSeO 3中稳定的具有磁电耦合的多铁性天空铁的性质到目前为止,以及某些极性材料中稀有的大量Nel型天生离子。作为插曲部分,在回顾氧化物薄膜中THE的最新进展之前,我们回顾了异常和拓扑霍尔效应(THE)的理论。还讨论了有关替代解释的辩论。最后,本篇综述以使用界面电荷转移和钙钛矿的(111)取向来有益于Skyrmion研究领域的有前途的策略作为未来展望。

更新日期:2021-02-11
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