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Submicrometer Ferromagnetic NOT Gate and Shift Register

2002; American Association for the Advancement of Science; Volume: 296; Issue: 5575 Linguagem: Inglês

10.1126/science.1070595

1095-9203

D. A. Allwood, Gang Xiong, M.D. Cooke, Colm C. Faulkner, D. Atkinson, N. Vernier, R. P. Cowburn,

Advanced Memory and Neural Computing

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.