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Synopsis

Electrons that Take the Heat

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Published September 20, 2012
An ultra-high-speed camera has captured the cooling of surface electrons in topological insulators.
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Synopsis

Anisotropy Defying Crystal Symmetry

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Published June 7, 2012
Microscopic distribution of alloy constituents explains the puzzling magnetic anisotropy in (Ga,Mn)As films.
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Viewpoint

Zigzag Polarization Straightens Magnetization Out

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Manfred Fiebig, Physics 4, 95 (2011) – Published November 14, 2011
Ferroelectric domain patterns enable voltage-induced magnetization reversal in a magnetic alloy.
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Viewpoint

A useful pyramid scheme

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Robert J. Cava, Physics 4, 7 (2011) – Published January 24, 2011
Successful legwork to find a new insulator for spintronics applications sends a material running up the ladder of research and development.
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Switching magnetism with electric fields

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Wolfgang Kleemann, Physics 2, 105 (2009) – Published December 14, 2009
The magnetic state of a multiferroic device can be controlled purely by an electric field—a property that could greatly reduce overheating in data storage devices.