Spin-transfer torque and specific features of magnetic-state switching in vacuum tunnel nanostructures

Spin-transfer torque and specific features of magnetic-state switching in vacuum tunnel nanostructures

The specific features of spin-transfer torque in vacuum tunnel structures with magnetic electrodes are investigated using the quasi-classical Sommerfeld model of electron conductivity, which takes into account the exchange splitting of the spin energy subbands of free electrons. Using the calculated...

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Veröffentlicht in:Semiconductors (Woodbury, N.Y.) N.Y.), 2015-12, Vol.49 (13), p.1679-1683
Hauptverfasser: Demin, G. D., Popkov, A. F., Dyuzhev, N. A.
Format: Artikel
Sprache:eng
Schlagworte:
Analysis
Basic Research
COBALT
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRODES
ELECTRONS
Magnetic Materials
MAGNETIC MOMENTS
Magnetism
MAGNETIZATION
MATERIALS SCIENCE
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Physics
Physics and Astronomy
SPIN
TORQUE
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container_end_page 1683
container_issue 13
container_start_page 1679
container_title Semiconductors (Woodbury, N.Y.)
container_volume 49
creator Demin, G. D.
Popkov, A. F.
Dyuzhev, N. A.
description The specific features of spin-transfer torque in vacuum tunnel structures with magnetic electrodes are investigated using the quasi-classical Sommerfeld model of electron conductivity, which takes into account the exchange splitting of the spin energy subbands of free electrons. Using the calculated voltage dependences of the transferred torques for a tunnel structure with cobalt electrodes and noncollinear magnetic moments in the electrodes, diagrams of stable spin states on the current–field parameter plane in the in-plane geometry of the initial magnetization are obtained.
doi_str_mv 10.1134/S1063782615130059
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subjects Analysis
Basic Research
COBALT
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRODES
ELECTRONS
Magnetic Materials
MAGNETIC MOMENTS
Magnetism
MAGNETIZATION
MATERIALS SCIENCE
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Physics
Physics and Astronomy
SPIN
TORQUE
title Spin-transfer torque and specific features of magnetic-state switching in vacuum tunnel nanostructures
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