spin valve


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spin valve

[′spin ‚valv]
(electronics)
References in periodicals archive ?
Tenders are invited for Anti Spin Valve Pipe Dummy Nut For Wap-5 Locos As Oer Drg No.
The original spin-valve device could only regulate electrical current flow, but the researchers expected they eventually could modify it to also emit light, making the new organic spin valve a spin OLED.
Using the direct spectroscopic technique Low Energy Muon Spin Rotation (LE-uSR), our experiments have visualised the extracted spin polarisation close to buried interfaces of a spin valve," said Professor Christian Bernhard, from the University of Fribourg Physics Department.
The principal spintronics device, the spin valve, consists of two magnetic layers decoupled by a spin-transporting spacer, which allows parallel (on) and antiparallel (off) alignment of the magnetizations (spins) of the two magnetic layers.
The organic spin valves resulted from the Utah-based physicists' plan to demonstrate that the production of a spin valve with an organic semiconductor, instead of a standard semiconductor, is feasible.
The readback portion of the head is a conventional permalloy shielded, bottom spin valve sensor with a GMR ratio of 18 percent and a shield-to-shield spacing of 85nm.
Parkin is selected for his discovery and invention of the spin valve, which enabled a more than 1,000-fold increase in the ability of computer hard-disk drives to store data.
Such pinning of the magnetic direction is needed for the functioning of a special structure known as a spin valve, which is used in modern read heads of computer hard disks.