Curved nanochannels allow independent tuning of charge and
spin currents

To increase the efficiency of microchips, 3-D
structures are now being investigated. However, spintronic
components, which rely on electron spin rather than charge, are
always flat. To investigate how to connect these to 3-D
electronics, University of Groningen physicist Dr. Kumar Sourav Das
created curved spin transport channels. Together with his
colleagues, he discovered that this new geometry makes it possible
to independently tune charge and spin currents. The results were
published online by the journal Nano Letters on 13 September
2019.