Reconfigurable Boolean Logic Using Magnetic Single-Electron Transistors

M Fernando Gonzalez-Zalba, Chiara Ciccarelli, Liviu P Zarbo, Andrew C Irvine, Richard C Campion, Bryan L Gallagher, Tomas Jungwirth, Andrew J Ferguson and Joerg Wunderlich

PLOS ONE, 2015, vol. 10, issue 4, 1-8

Abstract: We propose a novel hybrid single-electron device for reprogrammable low-power logic operations, the magnetic single-electron transistor (MSET). The device consists of an aluminium single-electron transistor with a GaMnAs magnetic back-gate. Changing between different logic gate functions is realized by reorienting the magnetic moments of the magnetic layer, which induces a voltage shift on the Coulomb blockade oscillations of the MSET. We show that we can arbitrarily reprogram the function of the device from an n-type SET for in-plane magnetization of the GaMnAs layer to p-type SET for out-of-plane magnetization orientation. Moreover, we demonstrate a set of reprogrammable Boolean gates and its logical complement at the single device level. Finally, we propose two sets of reconfigurable binary gates using combinations of two MSETs in a pull-down network.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0125142

DOI: 10.1371/journal.pone.0125142

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