| Autor: |
Min He, Licong Peng, Zhaozhao Zhu, Gang Li, Jianwang Cai, Jianqi Li, Hongxiang Wei, Lin Gu, Shouguo Wang, Tongyun Zhao, Baogen Shen, Ying Zhang |
| Předmět: |
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| Zdroj: |
Applied Physics Letters; 11/13/2017, Vol. 111 Issue 20, p1-5, 5p, 3 Diagrams, 1 Graph |
| Abstrakt: |
Taking advantage of the electron-current ability to generate, stabilize, and manipulate skyrmions prompts the application of skyrmion multilayers in room-temperature spintronic devices. In this study, the robust high-density skyrmions are electromagnetically generated from Pt/Co/Ta multilayers using Lorentz transmission electron microscopy. The skyrmion density is tunable and can be significantly enhanced. Remarkably, these generated skyrmions after optimized manipulation sustain at zero field with both the in-plane current and perpendicular magnetic field being switched off. The skyrmion generation and manipulation method demonstrated in this study opens up an alternative way to engineer skyrmion-based devices. The results also provide key data for further theoretical study to discover the nature of the interaction between the electric current and different spin configurations. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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