The universal magnetic tunnel junction logic gates representing 16 binary Boolean logic operations

Title
The universal magnetic tunnel junction logic gates representing 16 binary Boolean logic operations
Authors
박완준
Keywords
SPINTRONICS; FULL ADDER
Issue Date
2015-04
Publisher
AMER INST PHYSICS
Citation
JOURNAL OF APPLIED PHYSICS, v. 117, NO 17, Page. 177171-177174
Abstract
The novel devices are expected to shift the paradigm of a logic operation by their own nature, replacing the conventional devices. In this study, the nature of our fabricated magnetic tunnel junction (MTJ) that responds to the two external inputs, magnetic field and voltage bias, demonstrated seven basic logic operations. The seven operations were obtained by the electric-field-assisted switching characteristics, where the surface magnetoelectric effect occurs due to a sufficiently thin free layer. The MTJ was transformed as a universal logic gate combined with three supplementary circuits: A multiplexer (MUX), a Wheatstone bridge, and a comparator. With these circuits, the universal logic gates demonstrated 16 binary Boolean logic operations in one logic stage. A possible further approach is parallel computations through a complimentary of MUX and comparator, capable of driving multiple logic gates. A reconfigurable property can also be realized when different logic operations are produced from different level of voltages applying to the same configuration of the logic gate. (C) 2015 AIP Publishing LLC.
URI
http://scitation.aip.org/content/aip/journal/jap/117/17/10.1063/1.4916806http://hdl.handle.net/20.500.11754/23885
ISSN
0021-8979; 1089-7550
DOI
http://dx.doi.org/10.1063/1.4916806
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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