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Additive Dzyaloshinskii–Moriya interaction in Pt/Co/Re films
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We report the Dzyaloshinskii–Moriya interaction (DMI) in Pt/Co/Re films. By measuring the current-induced hysteresis loop shift, we find that the interfacial DMI in the Pt/Co/Re structure is 2.1 pJ/m, which is stronger than that in Ir/Co/Pt asymmetric multilayers. The large DMI in this system can be attributed to an additive DMI at the Pt/Co and Co/Re interfaces; the Co/Re interface hosts a large DMI whose sign is the same as that at the Pt/Co interface. The additive DMI due to the large DMI at the Co/Re interface is consistent with theoretical predictions. The result provides a way to control the formation of chiral spin textures, such as magnetic skyrmions and chiral domain walls.
Title: Additive Dzyaloshinskii–Moriya interaction in Pt/Co/Re films
Description:
We report the Dzyaloshinskii–Moriya interaction (DMI) in Pt/Co/Re films.
By measuring the current-induced hysteresis loop shift, we find that the interfacial DMI in the Pt/Co/Re structure is 2.
1 pJ/m, which is stronger than that in Ir/Co/Pt asymmetric multilayers.
The large DMI in this system can be attributed to an additive DMI at the Pt/Co and Co/Re interfaces; the Co/Re interface hosts a large DMI whose sign is the same as that at the Pt/Co interface.
The additive DMI due to the large DMI at the Co/Re interface is consistent with theoretical predictions.
The result provides a way to control the formation of chiral spin textures, such as magnetic skyrmions and chiral domain walls.
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