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1.
Synopsis

Oxides Combine to Create Magnets

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Published September 20, 2012
New research has identified a rare form of magnetism at the interface between two different oxide compounds.
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Focus

Temperature Difference Leads to Magnetism

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Phys. Rev. Focus 28, 2 (2011) – Published July 8, 2011
Creating a temperature difference in an arrangement of semiconductors generates a circulating current and a magnetic field, according to simulations. The effect may account for some inefficiency in electronic devices.
3.
Viewpoint

Fractional charges fly between planes

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Fiona J. Burnell and Shivaji L. Sondhi, Physics 2, 49 (2009) – Published June 15, 2009
The fractional quantum Hall effect, thought to be special to two dimensions, may also flourish in three, providing a possible explanation for anomalies observed in certain 3D materials in high magnetic fields.
4.
Viewpoint

Electronic refrigeration on the micron scale

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Jason R. Petta, Physics 2, 27 (2009) – Published April 6, 2009
A quantum dot refrigerator that cools an electron gas close to 100mK may allow experimentalists to better probe electron-electron interactions in quantum confined systems.