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A photon ratchet route to high-efficiency hybrid halide perovskite intermediate band solar cells
Jarvist M. Frost, Pooya Azarhoosh, Scott McKechnie +2
The spin-split indirect bandgap in hybrid-halide perovskites provides a momentum-space realisation of a photon-ratchet intermediate band. Excited electrons thermalise to recombinat…
Relativistic origin of slow electron-hole recombination in hybrid halide perovskite solar cells
Pooya Azarhoosh, Jarvist M. Frost, Scott McKechnie +2
The hybrid perovskite CH3NH3PbI3 (MAPI) exhibits long minority-carrier lifetimes and diffusion lengths. We show that slow recombination originates from a spin-split indirect-gap. L…
Theory of spin loss at metallic interfaces
K. D. Belashchenko, Alexey A. Kovalev, M. van Schilfgaarde
Interfacial spin-flip scattering plays an important role in magnetoelectronic devices. Spin loss at metallic interfaces is usually quantified by matching the magnetoresistance data…