Oxide Nanosheets for SpinElecTronics – ONSET

ONSET is an exploratory project aiming at investigating the potential of so far uncharted 2D oxide nanosheet (ONS) materials as building blocks for spin electronics. Those new ONS families are expected to offer model properties ranging from high-k dielectrics to 2D ferroelectrics or 2D ferromagnets while being intrinsically air stable, an overall key asset for 2D spin electronics. The project will target to demonstrate this potential by developing an outstanding material such as an air stable 2D ferromagnet operating at room temperature. For this, ONSET will focus on the recently unveiled model Ti1-x-yFexCoyO2 nanosheet, an insulating ferromagnet that can be used as a spin-filter. This ONS family will be developed ranging from synthesis of bulk layered oxide crystals to integration and investigation into magnetic tunnel junctions. The objectives of ONSET are: (i) to develop ONS and methods to integrate them and (ii) to investigate and unravel by a multi-scale approach the intimate interface electronic properties and spin-dependent transport in those hybrid systems towards ultimately achieving high magnetoresistance (MR) signals. Preparation of prototypical magnetoresistive devices based on this 2D oxide family will be a major outcome of ONSET in the context of actual rapid development of 2D spintronics.