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artacho3_2015

Electrons in materials with two-dimensional confinement

With the explosion of research around graphene, several new layered materials have been proposed and are being characterised at the single-layer level. The stacking of layers of these materials opens a field promising many possibly useful developments for different kinds of energy-efficient technologies. Analogously, nano-scale thin films of known materials (e.g. perovskites) are being produced that display all sorts of interesting behaviours, all relating to their electronic properties confined to two dimensions, either as two-dimensional electron liquids (either conventional or not) or in semiconducting scenarios, allowing to extend the usual electronics paradigm to Flatland. In this project, first-principles simulations will be used to characterise different couplings of thin-films and single-layers of varied layered materials, as well as the electronic properties that arise.

N. C. Bristowe et al. Phys. Rev. Lett. 108, 166102 (2012).
P. Aguado-Puente et al. Phys. Rev. B 92, 035438 (2015).