Voltage-controlled skyrmion deletion device based on magnetic defects

被引：0

作者：

Li, Wei ^{[1
]}

Wang, Xiaokun ^{[1
]}

Dai, Yuyao ^{[1
]}

Bian, Yue ^{[1
]}

Huang, Qiao ^{[1
]}

Zhang, Xuyang ^{[1
]}

Su, Longqi ^{[1
]}

Zhang, Baoshan ^{[1
]}

Tang, Dongming ^{[1
]}

Yang, Yi ^{[1
]}

机构：

[1] Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2021年 / 54卷 / 44期

基金：

中国国家自然科学基金;

关键词：

skyrmion; magnetic defects; deletion device; racetrack memory; DYNAMICS;

D O I：

10.1088/1361-6463/ac1b5e

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetic skyrmions are topological spin configurations that hold potential as 'bits' in ultra-dense memory and information processing. In this work, we study the destructive effect of magnetic defects on the stability of skyrmions using micromagnetic simulations, and suggest two methods to manipulate this effect. Based on this, we design a voltage-controlled skyrmion deletion device, and further propose a data modification scheme for the skyrmion-based racetrack memory. These results provide an important orientation for skyrmion applications in storage and computation fields.

引用

页数：7

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