Spin polarized electron dynamics enhance water splitting efficiency by yttrium iron garnet photoanodes: a new platform for spin selective photocatalysis
Harshad Gajapathy, Savini Bandaranayake, Emily Hruska, Aravind Vadakkayil, Brian P. Bloom, Stephen Londo, Jackson McClellan, Jason Guo, Daniel Russell, Frank M. F. de Groot, Fengyuan Yang, David H. Waldeck, Martin Schultze, L. Robert Baker
Abstract
-edges show that spin aligned holes are hybridized between O 2p and Fe 3d valence band states, and these holes are responsible for highly efficient, spin selective water oxidation by YIG. Together, these results point to YIG as a new platform for highly efficient, spin selective photocatalysis.
Topics & Concepts
HematiteMagnetic circular dichroismYttrium iron garnetYttriumWater splittingPhotocatalysisSpin (aerodynamics)ElectronMaterials scienceSpin polarizationElectron paramagnetic resonanceCircular polarizationChemical physicsChemistryCondensed matter physicsNuclear magnetic resonanceOpticsPhysicsCatalysisSpectral lineThermodynamicsMetallurgyQuantum mechanicsMicrostripBiochemistryOxideAstronomyIron oxide chemistry and applicationsElectrocatalysts for Energy ConversionAdvanced Photocatalysis Techniques