giant magnetoresistance


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Related to giant magnetoresistance: Colossal magnetoresistance

giant magnetoresistance:

see spintronicsspintronics,
 spin electronics,
or magnetoelectronics,
science and technology that harnesses the spin state of electrons in addition to the electrical charge state to store data or perform calculations.
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.

giant magnetoresistance

[¦j̄i·ənt ‚mag·nēd·ō·ri′zis·təns]
(solid-state physics)
A very large decrease in electrical resistance upon application of a magnetic field in certain structures composed of alternating layers of magnetic and nonmagnetic metals.
References in periodicals archive ?
(2002) Experiments of giant magnetoresistance. In Spin Dependent Transport in Magnetic Nanostructures (eds.
(1991) Giant magnetoresistance in soft ferromagnetic multilayers.
Since the discovery of the giant magnetoresistance (GMR) effect in 1988 [1], GMR systems have attracted a wealth of experimental and theoretical attentions in recent years.
Peeters, "Giant magnetoresistance in a two-dimensional electron gas modulated by magnetic barriers," Journal of Physics Condensed Matter, vol.
Peeters, "Tunable giant magnetoresistance with magnetic barriers," Journal of Applied Physics, vol.
It will make use of a property known as giant magnetoresistance (GMR).
Thus, a multilayered oxide material with long-range periodic atomic arrangement shows exceptional properties, such as high field-effect mobility in thin-film transistors (TFTs) [10], giant magnetoresistance in ferromagnetic materials [11], and extremely high Seebeck coefficient as well as low thermal conductivity in thermoelectric materials [7].
Stuart Parkin, a materials scientist at the IBM Almaden Research Center in San Jose, Calif., and his colleagues are investigating ways to store data using the so-called giant magnetoresistance effect that appears in tiny metallic structures.
Nevertheless, Parkin reports that his team's work with cobalt and copper alloys that exhibit giant magnetoresistance at room temperature has helped them figure out how to layer the material to maximize its magnetic and resistive effects.
20 SC(ENCE the discovery of a new method of producing "giant magnetoresistance" at much lower magnetic fields than previously possible-comparable to those required for storing data on magnetic disks.
He called this effect giant magnetoresistance (GMR).
He reviewed progress in giant magnetoresistance in the May 15 SCIENCE.