Coexistence and coupling of ferroelectricity and magnetism in an oxide two-dimensional electron gas

As reported in a recent paper published in Nature Physics, a team, composed of researchers from the Unité Mixte de Physique CNRS-THALES, CNR SPIN, the University Federico II of Naples and the Paul Scherrer Institute in Switzerland, has discovered a new type of 2D-electron gas, at the interface between two compounds of the perovskite oxide family, that is both ferroelectric and magnetic while being an excellent electrical conductor.

The coexistence of these properties and the possibility to control them easily with an electrical voltage opens the way to new devices for information storage and low energy computing.

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Cnr - Department of Physical Sciences
and Technologies of Matter