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Study of Protein Dynamics via Neutron Spin Echo Spectroscopy
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Harnessing spin precession with dissipation.

A D Crisan1, S Datta1, J J Viennot1

  • 1Laboratoire Pierre Aigrain, Ecole Normale Supérieure-PSL Research University, CNRS, Université Pierre et Marie Curie-Sorbonne Universités, Université Paris Diderot-Sorbonne Paris Cité, 24 rue Lhomond, 75231 Paris, France.

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|January 28, 2016
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Summary
This summary is machine-generated.

Researchers explored non-collinear spin transport in quantum dots using carbon nanotubes. They observed tunable spin precession, offering a new method for controlling magnetization in spintronics.

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Area of Science:

  • Condensed matter physics
  • Materials science
  • Quantum electronics

Background:

  • Non-collinear spin transport is crucial for controlling magnetization in spintronics devices.
  • Nanoscale conductors with quantum effects offer novel pathways for spin manipulation.
  • Quantum dots are promising platforms for exploring quantum transport phenomena.

Purpose of the Study:

  • To investigate non-collinear spin transport in a quantum dot device.
  • To explore the potential of carbon nanotube-based devices for spintronics applications.
  • To understand the role of electrical tunability in spin precession.

Main Methods:

  • Fabrication of a device using a single-wall carbon nanotube connected to orthogonal ferromagnetic electrodes.
  • Measurement of spin transport signals through the quantum dot.
  • Electrical tuning of transport properties through dissipation.

Main Results:

  • Observation of signatures indicative of out-of-equilibrium spin precession in the spin transport signals.
  • Demonstration that spin precession is electrically tunable via dissipation.
  • Evidence of quantum effects influencing spin transport in the nanoscale conductor.

Conclusions:

  • Non-collinear spin transport in quantum dots can exhibit tunable spin precession.
  • Electrically controlled dissipation offers a novel mechanism for harnessing spin precession.
  • Carbon nanotube-based quantum dots present a viable platform for future spintronics applications.