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Cooling a magnetic nanoisland by spin-polarized currents

posted by Chris Sullivan E-mail, Michigan State University, 06.10.2014, 21:35

Full title:
Cooling a magnetic nanoisland by spin-polarized currents

Authors:
J. Br├╝ggemann, S. Weiss, P. Nalbach, M. Thorwart

Publication source:
Physical Review Letters 113, 076602 (2014)

DOI: 10.1103/PhysRevLett.113.076602

Publisher's link to the original article:
http://link.aps.org/doi/10.1103/PhysRevLett.113.076602

Link to the open access resource:
http://arxiv.org/abs/1401.5724

Owner of the open access resource:
Jochen Br├╝ggemann

Nomination text:
The smaller and smaller electronic components become, the more difficult waste heat generated by these small components can be to remove. In this publication, the authors describe a technique that can take heat away from the system with a spin-carrying current. The method makes use of magnetomechanical coupling, in which the magnetic state of a material affects its vibrational energy. The result of these calculations was that for tuned coupling parameters the effective vibrational temperature could be reduced by a factor of 2 from its equilibrium value. This would be of extreme value in logic units and therefore warrants the selection of this work as a Highlight in Nanotechnology.

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