Electrical switching in a magnetically intercalated transition metal dichalcogenide.,Nature Materials

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Electrical switching in a magnetically intercalated transition metal dichalcogenide.
Nature Materials ( IF 37.2 ) Pub Date : 2019-11-04 , DOI: 10.1038/s41563-019-0518-x
Nityan L Nair _{1,

2} , Eran Maniv _{1,

2} , Caolan John _{1,

2} , Spencer Doyle _{1,

2} , J Orenstein _{1,

2} , James G Analytis _{1,

2}

Affiliation

Advances in controlling the correlated behaviour of transition metal dichalcogenides have opened a new frontier of many-body physics in two dimensions. A field where these materials have yet to make a deep impact is antiferromagnetic spintronics-a relatively new research direction promising technologies with fast switching times, insensitivity to magnetic perturbations and reduced cross-talk1-3. Here, we present measurements on the intercalated transition metal dichalcogenide Fe1/3NbS2 that exhibits antiferromagnetic ordering below 42 K (refs. 4,5). We find that remarkably low current densities of the order of 104 A cm-2 can reorient the magnetic order, which can be detected through changes in the sample resistance, demonstrating its use as an electronically accessible antiferromagnetic switch. Fe1/3NbS2 is part of a larger family of magnetically intercalated transition metal dichalcogenides, some of which may exhibit switching at room temperature, forming a platform from which to build tuneable antiferromagnetic spintronic devices6,7.

中文翻译：

磁性插层过渡金属二卤化硅中的电开关。

控制过渡金属二卤化物相关行为的进展为二维多体物理学开辟了新领域。这些材料尚未产生深远影响的领域是反铁磁自旋电子学，这是一个相对较新的研究方向，它具有开关时间短，对磁扰动不灵敏和减少串扰1-3的有前途的技术。在这里，我们介绍了对嵌入的过渡金属二硫化二铁Fe1 / 3NbS2的测量，该金属在42 K以下表现出反铁磁有序性（参考文献4,5）。我们发现，104 A cm-2数量级的极低电流密度可以使磁阶重新定向，可以通过改变采样电阻来检测磁阶，从而证明其用作电子可访问的反铁磁开关。

更新日期：2019-11-04

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