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Reconfigurable Boolean logic using magnetic single-electron transistors

MF. Gonzalez-Zalba, C. Ciccarelli, LP. Zarbo, AC. Irvine, RC. Campion, BL. Gallagher, T. Jungwirth, AJ. Ferguson, J. Wunderlich,

. 2015 ; 10 (4) : e0125142. [pub] 20150429

Language English Country United States

Document type Journal Article, Research Support, Non-U.S. Gov't

Persistent link   https://www.medvik.cz/link/bmc16020844

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.

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$a We propose a novel hybrid single-electron device for reprogrammable low-power logic operations, the magnetic single-electron transistor (MSET). The device consists of an aluminium single-electron transistor with a GaMnAs magnetic back-gate. Changing between different logic gate functions is realized by reorienting the magnetic moments of the magnetic layer, which induces a voltage shift on the Coulomb blockade oscillations of the MSET. We show that we can arbitrarily reprogram the function of the device from an n-type SET for in-plane magnetization of the GaMnAs layer to p-type SET for out-of-plane magnetization orientation. Moreover, we demonstrate a set of reprogrammable Boolean gates and its logical complement at the single device level. Finally, we propose two sets of reconfigurable binary gates using combinations of two MSETs in a pull-down network.
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$a Ciccarelli, Chiara $u Cavendsih Laboratory, University of Cambridge, Cambridge, United Kingdom.
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$a Zarbo, Liviu P $u Institute of Physics, The Academy of Science of the Czech Republic, v.v.i, Cukrovarnick'a 10, 162 53 Praha 6, Czech Republic.
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$a Irvine, Andrew C $u Cavendsih Laboratory, University of Cambridge, Cambridge, United Kingdom.
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$a Campion, Richard C $u School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.
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$a Gallagher, Bryan L $u School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.
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$a Jungwirth, Tomas $u Institute of Physics, The Academy of Science of the Czech Republic, v.v.i, Cukrovarnick'a 10, 162 53 Praha 6, Czech Republic; School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, United Kingdom.
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$a Ferguson, Andrew J $u Cavendsih Laboratory, University of Cambridge, Cambridge, United Kingdom.
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$a Wunderlich, Joerg $u Hitachi Cambridge Laboratory, Cambridge CB3 0HE, United Kingdom; Institute of Physics, The Academy of Science of the Czech Republic, v.v.i, Cukrovarnick'a 10, 162 53 Praha 6, Czech Republic.
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