Reconfigurable magnetic logic based on the energetics of pinned domain walls

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© 2016 AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the authors and the American Institute of Physics. The following article appeared in Applied Physics Letters. Volume 108, Issue 3 and may be found at http://scitation.aip.org/content/aip/journal/apl/108/3/10.1063/1.4940119.

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Journal Title

Journal ISSN

Volume Title

School of Science | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Date

2016

Major/Subject

Mcode

Degree programme

Language

en

Pages

032402/1-4

Series

Applied Physics Letters, Volume 108, Issue 3

Abstract

A magnetic logic concept based on magnetic switching in three stripe domains separated by pinned magnetic domain walls is proposed. The relation between the inputs and the output of the logic operator is determined by the energetics of the domain walls, which can be switched between two distinctive states by an external magnetic field. Together with magnetic read-out along two orthogonal directions, non-volatile AND, OR, NAND, and NOR gates can be created. The logic concept is experimentally demonstrated using CoFeB films on BaTiO3 substrates, and micromagnetic simulationsare used to analyze the energetics of the system.

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Keywords

magnetic logic, magnetic anisotropy, magnetic switching

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Citation

López González, Diego & Casiraghi, Arianna & Van de Wiele, Ben & van Dijken, Sebastiaan. 2016. Reconfigurable magnetic logic based on the energetics of pinned domain walls. Applied Physics Letters. Volume 108, Issue 3. 032402/1-4. 0003-6951 (printed). DOI: 10.1063/1.4940119.