Electric field control of Skyrmions in magnetic nanodisks

被引：56
|
作者：
Nakatani, Y. [1 ]
Hayashi, M. [2 ]
Kanai, S. [3 ,4 ]
Fukami, S. [3 ,4 ,5 ]
Ohno, H. [3 ,4 ,5 ,6 ]
机构：
[1] Univ Electrocommun, 1-5-1 Chofugaoka, Chofu, Tokyo 1828585, Japan
[2] Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan
[3] Tohoku Univ, Elect Commun Res Inst, Lab Nanoelect & Spintron, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
[4] Tohoku Univ, Ctr Spintron Integrated Syst, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
[5] Tohoku Univ, Ctr Innovat Integrated Elect Syst, Aoba Ku, 468-1 Aramaki Aza Aoba, Sendai, Miyagi 9800845, Japan
[6] Tohoku Univ, WPI Adv Inst Mat Res, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
来源：
APPLIED PHYSICS LETTERS | 2016年 / 108卷 / 15期
关键词：
EQUATION;
D O I：
10.1063/1.4945738
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The control of magnetic Skyrmions confined in a nanometer scale disk using electric field pulses is studied by micromagnetic simulation. A stable Skyrmion can be created and annihilated by an electric field pulse depending on the polarity of the electric field. Moreover, the core direction of the Skyrmion can be switched using the same electric field pulses. Such creation and annihilation of Skyrmions, and its core switching do not require any magnetic field and precise control of the pulse length. This unconventional manipulation of magnetic texture using electric field pulses allows a robust way of controlling magnetic Skyrmions in nanodiscs, a path toward building ultralow power memory devices. (C) 2016 AIP Publishing LLC.
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页数：5
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