Journal
APPLIED PHYSICS LETTERS
Volume 111, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5000315
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Funding
- Royal Society International Program [IE150246]
- National Research University Higher School of Economics, Russia [T3-89]
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We propose a superconducting spin-triplet valve, which consists of a superconductor and an itinerant magnetic material, with the magnet showing an intrinsic non-collinear order characterized by a wave vector that may be aligned in a few equivalent preferred directions under the control of a weak external magnetic field. Re-orienting the spiral direction allows one to controllably modify long-range spin-triplet superconducting correlations, leading to spin-valve switching behavior. Our results indicate that the spin-valve effect may be noticeable. This bilayer may be used as a magnetic memory element for cryogenic nanoelectronics. It has the following advantages in comparison to superconducting spin valves proposed previously: (i) it contains only one magnetic layer, which may be more easily fabricated and controlled; (ii) its ground states are separated by a potential barrier, which solves the half-select problem of the addressed switch of memory elements. Published by AIP Publishing.
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