About About this SiteExperimental Reporting2 Articles in this category Elements CarbonCeriumPhosphorusLithiumZincZirconiumVanadiumSulfurTelluriumArgonNickelCopperCobaltChlorineArsenicSiliconIronRheniumPraseodymiumRuthenium25 Articles in this category XPS Theory The Photoelectric EffectSpin-Orbit SplittingMultiplet SplittingMultiplet splitting of s-orbitals in first row transition metalsPlasmon Loss10 Articles in this category