Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/141992
Title: Controlled spin-torque driven domain wall motion using staggered magnetic wires
Authors: H. Mohammed
Al Risi, S.
Jin, Tian Li
Kosel, J.
Piramanayagam, S. N.
Sbiaa, R.
Keywords: Science::Physics::Electricity and magnetism
Issue Date: 2020
Source: H. Mohammed, Al Risi, S., Jin, T. L., Kosel, J., Piramanayagam, S. N., & Sbiaa, R. (2020). Controlled spin-torque driven domain wall motion using staggered magnetic wires. Applied Physics Letters, 116(3), 032402-. doi:10.1063/1.5135613
Journal: Applied Physics Letters
Abstract: Domain wall (DW) memory devices such as racetrack memory offer an alternative to the hard disk drive in achieving high capacity storage. In DW memory, the control of domain wall positions and their motion using spin-transfer torque is an important challenge. In this Letter, we demonstrate controlled domain wall motion using spin-transfer torque in staggered wires. The devices, fabricated using electron-beam and laser lithography, were tested using magneto-optical Kerr microscopy and electrical transport measurements. The depinning current is found to depend on the device dimensions of the staggering wires. Thus, the proposed staggering configuration can be utilized to fine-tune the properties of DW devices for memory applications.
URI: https://hdl.handle.net/10356/141992
ISSN: 0003-6951
DOI: 10.1063/1.5135613
Rights: © 2020 The Author(s). All rights reserved. This paper was published by AIP Publishing in Applied Physics Letters and is made available with permission of The Author(s).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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