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Surface Effects on the Magnetocrystalline Anisotropy of IrMn
Robert A. Lawrence, Matt I. J. Probert
Magnetic anisotropy is a key parameter to describe the exchange bias effect in heterostructures. In this paper, we describe explicit density functional calculations of the magnetic…
Strain and Interface Effects on Magnetocrystalline Anisotropy of MnN
Robert A. Lawrence, Matt I. J. Probert
Thin film effects on the Magnetocrystalline Anisotropy Energy (MAE) of MnN were studied using density functional theory (DFT). Initially, strain effects on bulk MnN were considered…
Evaluating the local bandgap across InxGa1-xAs multiple quantum wells in a metamorphic laser via low-loss EELS
Nicholas Stephen, Ivan Pinto-Huguet, Robert Lawrence +8
Using high resolution scanning transmission electron microscopy and low-loss electron energy loss spectroscopy, we correlate the local bandgap (Eg), indium concentration, and strai…
A Genetic Algorithm For Convex Hull Optimisation
Scott Donaldson, Robert A. Lawrence, Matt I. J. Probert
Computationally efficient and automated generation of convex hulls is desirable for high throughput materials discovery of thermodynamically stable multi-species crystal structures…