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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Spin in the slow lane

Article Abstract:

Electrons are thought to transport their charge and spin equally free through metals and semiconductors, but it seems that spin can lag considerably behind charge, as charge and spin are properties of individual electrons. The ability to generate, study and use phenomena such as spin injection, spin currents and spin accumulation, in metals as well as semiconductors, has made it imperative to discover how similar or different spin and charge transport are.

Author: Wees, Bart van
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Electron transport

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A spin solo

Article Abstract:

Electron spin resonance (ESR) is utilized to rotate a single spin in one of two coupled quantum dots and the effect is detected by measuring variations in electric current flowing through the double dot. The incorporation of ESR into quantum computers would provide them the capacity to solve problems insurmountable to conventional computers.

Author: Burkard, Guido
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
Electron paramagnetic resonance spectroscopy, Electric currents, Electric current, Quantum computing

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Spin-torque diode effect in magnetic tunnel junctions

Article Abstract:

A different phenomenon is based on the interplay between spin dynamics and spin dependent transport arising from unusual diode behaviour. The behaviour is different from conventional semiconductor diode and forms the basis of a nanometre-scale radio frequency detector in telecommunication circuits.

Author: Tulapurkar, A.A.; Suzuki, Y, Maehara, H.; Tsunekawa, K., Djayaprawira, D.D.; Watanabe, N., Yuasa, S.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Magnetic devices, Properties, Magnetoresistance

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Subjects list: Research, United States, Spin coupling, Analysis
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