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Correlated electron systems

Emitting electrons through phonons

Ultrashort laser pulses create strain waves that generate highly mobile charges at an oxide interface. These charges propagate into the oxide layer destroying its antiferromagnetic ordering and insulating properties, providing insight into the physics of metal–insulator transitions.

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Figure 1: Schematic representation of a shockwave excitation and evolution with time.

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Correspondence to Valerio Scagnoli or Urs Staub.

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Scagnoli, V., Staub, U. Emitting electrons through phonons. Nature Mater 14, 859–860 (2015). https://doi.org/10.1038/nmat4399

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