"free energy" through magnets?

[Tenet Nosce]

Looks like you were about one month ahead of the scientists.

*cue the armchair psychologists*

Rotating Magnetic Moments: Spin Pumping Effect Demonstrated for First Time

ScienceDaily (Sep. 26, 2011) — Bochum's physicists led by Prof. Dr. Hartmut Zabel have demonstrated the spin pumping effect in magnetic layers for the first time experimentally.

Through their rotation of the magnetic moments, the so-called magnetic precession, single electrons can mutually influence each other's rotation (spin) through a non-magnetic intermediate layer.

Whether both tops rotate in the same or in the opposite direction, should have no impact on the number of rotations before they come to a stop. "But that's precisely what happens with magnetic spinning tops," as Bochum's research group confirmed in its experiments.

The precession of the magnetic moments in a ferromagnetic layer is "pumped" through the non-magnetic intermediate copper layer and absorbed by the second ferromagnetic layer. In other words, ferromagnetic layers, which do not interact with each other statically because the intermediate layer is too thick, are still able to "affect" each other dynamically through pumping and diffusion of spins from one layer to another.

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Here are some other potential pieces of the puzzle:


(09 Dec 08) Neutron Researchers Discover Widely Sought Property In Magnetic Semiconductor
(25 May 09) Multiferroics: Making A Switch The Electric Way
(20 Mar 11) Spintronics: Enhancing the Magnetism
(14 Apr 11) Solar Power Without Solar Cells: A Hidden Magnetic Effect of Light Could Make It Possible
(25 Jul 11) Rare Coupling of Magnetic and Electric Properties in a Single Material
(31 Jul 11) Discovery of a New Magnetic Order
(03 Sep 11) Understanding Next-Generation Electronic Devices