What is it about?

Many devices (as lasers or transistors) rely on exciting electrons to the unoccupied states of a material. The inverse photoemission technique allows to study those states in depth. We present here for the first time a device allowing to explore them without any restriction on the spin orientation.

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Why is it important?

In new generation electronics based on spin (spintronics) it is crucial to study the unoccupied electronic states with spin resolution, so it is necessary a comprehensive analysis of the spin orientation in those states.

Perspectives

I believe that this development is really a step forward in the technique and that it will open wide perspectives for studying electronic states with complicated spin textures.

Antonio Tejeda
Centre National de la Recherche Scientifique

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This page is a summary of: Spin- and angle-resolved inverse photoemission setup with spin orientation independent from electron incidence angle, Review of Scientific Instruments, September 2022, American Institute of Physics, DOI: 10.1063/5.0076088.
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