论文标题

通过界面杂交在单层VSE2中的磁过渡

Magnetic Transition in Monolayer VSe2 via Interface Hybridization

论文作者

Zhang, Wen, Zhang, Lei, Wong, Ping Kwan Johnny, Yuan, Jiaren, Vinai, Giovanni, Torelli, Piero, van der Laan, Gerrit, Feng, Yuan Ping, Wee, Andrew Thye Shen

论文摘要

单层(ML)VSE2中的磁性吸引了对Spintronics的广泛兴趣,而现有报告尚未达成共识。使用元素特异性X射线磁性圆形二色性,在CO和VSE2之间的无污染界面上已经证明了ML VSE2中的磁过渡。通过与Co Atomic叠加剂的界面杂交,揭示了ML VSE2中每V原子约0.4 Ub的磁矩,接近先前理论计算所预测的值。 Promotion of the ferromagnetism in ML VSe2 is accompanied by its antiferromagnetic coupling to Co and a reduction in the spin moment of Co. In comparison to the absence of this interface-induced ferromagnetism at the Fe/MLMoSe2 interface, these findings at the Co/ML-VSe2 interface provide clear proof that the ML VSe2, initially with magnetic disorder, is on the verge of磁过渡。

Magnetism in monolayer (ML) VSe2 has attracted broad interest in spintronics while existing reports have not reached consensus. Using element-specific X-ray magnetic circular dichroism, a magnetic transition in ML VSe2 has been demonstrated at the contamination-free interface between Co and VSe2. Via interfacial hybridization with Co atomic overlayer, a magnetic moment of about 0.4 uB per V atom in ML VSe2 is revealed, approaching values predicted by previous theoretical calculations. Promotion of the ferromagnetism in ML VSe2 is accompanied by its antiferromagnetic coupling to Co and a reduction in the spin moment of Co. In comparison to the absence of this interface-induced ferromagnetism at the Fe/MLMoSe2 interface, these findings at the Co/ML-VSe2 interface provide clear proof that the ML VSe2, initially with magnetic disorder, is on the verge of magnetic transition.

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