全面的 skyrmion 逻辑门和基于反铁磁合 skyrmions 的电路,没有拓的霍尔效应
Rawana Yagan1, Arash Mousavi Cheghabouri1, Mehmet C Onbasli1,2
1Department of Electrical and Electronics Engineering, Koç University Sarıyer Istanbul 34450 Turkey ryagan18@ku.edu.tr monbasli@ku.edu.tr.
Nanoscale advances
|November 21, 2024
概括
合成的反铁磁 skyrmions 消除了 skyrmion 霍尔效应,使低能量的逻辑设备. 这些skyrmion逻辑门比传统的铁磁设计提供了更好的性能和效率.
科学领域:
- 这就是Spintronics.
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 纳米尺度的 skyrmions 由于其基于旋转的性质,对非挥发性逻辑有希望.
- 铁磁天体中的Skyrmion Hall效应 (SkHE) 阻碍了它们在逻辑应用中的性能.
研究的目的:
- 为了研究使用合成反铁磁合 (SAF) 层的低能 skyrmion 逻辑门电路.
- 消除 SkHE 并减少基于 skyrmion 的逻辑设备的当前要求.
主要方法:
- 对SAF skyrmion逻辑门进行了详细的微磁建模.
- 布尔门 (逆变器,NOR,OR,AND,NAND) 和多重机电路的演示.
- 分析运行,能源消耗和斯基米翁运动稳定性的分析.
主要成果:
- 与铁磁对应物相比,SAF skyrmion 门的性能得到了改进.
- SAF门在较低电流密度下运行,并减少了焦尔加热.
- 观察到稳定和高效的 skyrmion 运动,使得在没有横向 SkHE 的情况下能够进行级联.
结论:
- 在低能量的逻辑应用中,抗铁磁合的 skyrmions 是可行的.
- 在SAF skyrmionics上,SAF skyrmions提供了比铁磁 skyrmionics更好的性能和效率.
- 这种方法为先进的自旋电子逻辑设备铺平了道路.
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