Submicrometer Ferromagnetic NOT Gate and Shift Register

An all-metallic submicrometer device is demonstrated experimentally at room temperature that performs logical NOT operations on magnetic logic signals. When this two-terminal ferromagnetic structure is incorporated into a magnetic feedback loop, the junction performs a frequency division operation o...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2002-06, Vol.296 (5575), p.2003-2006
Hauptverfasser:	Allwood, D. A., Xiong, Gang, Cooke, M. D., Faulkner, C. C., Atkinson, D., Vernier, N., Cowburn, R. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Chirality Control loops Counter rotation Domain walls Electric current Electromagnetism Electronic circuits Electronics Exact sciences and technology Feedback (Response) Innovations Logical Thinking Magnetic fields Magnetization Microelectronics Molecular electronics, nanoelectronics Permalloys Quantum electronics Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Semiconductors Shift registers
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Beschreibung
Zusammenfassung:	An all-metallic submicrometer device is demonstrated experimentally at room temperature that performs logical NOT operations on magnetic logic signals. When this two-terminal ferromagnetic structure is incorporated into a magnetic feedback loop, the junction performs a frequency division operation on an applied oscillating magnetic field. Up to 11 of these junctions are then directly linked together to create a magnetic shift register.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.1070595