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Spin Coherence in Nanostructures

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  • Full or part time
    Prof B Hickey
    Dr G Burnell
  • Application Deadline
    Applications accepted all year round
  • Competition Funded PhD Project (Students Worldwide)
    Competition Funded PhD Project (Students Worldwide)

Project Description

Spin coherence is an important topic in quantum systems that rely on manipulating spins or conveying information by spin transport. We have designed and built a deposition system optimized for creating lateral spin valves – structures designed to create and measure pure spin currents.
Pure spin currents are composed of equal numbers of spin-up and spin-down electrons moving in opposite directions hence, there is no net charge transfer, only spin is transferred. We have investigated spin coherence and spin flip scattering (see the arxiv reference below) and are currently looking at spin current circuits, demonstrations that pure spin currents do not exhibit Joule heating (important for reducing the energy consumed by electronics) and understanding the orgins of spin decoherence.
In this PhD project we want to study spin currents in more sophisticated structures such as Aronov-Bohm rings and other shapes designed as a spin interferometer. By using other materials such as Vanadium we can study spin current propagation in superconductors and heavy elements such as Pt can be used to measure the spin Hall angle, another parameter important for spin transport.
The successful student will acquire stills in thin film deposition, nanofabrication, low temperature physics and ultra low noise measurement techniques.

Funding Notes

http://scholarships.leeds.ac.uk/

How good is research at University of Leeds in Physics?

FTE Category A staff submitted: 24.00

Research output data provided by the Research Excellence Framework (REF)

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