Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Abstract

This chapter focuses on the study on luminescent materials, which consist of oxidecompounds (host material) and rare earth ions (as the activator) in the valence state,mostly 3+. The first part begins with a background study about the luminescencephenomenon, its stages, and the configurational coordinate diagram. Then, we reviewthe notation often used for rare earth ions, such as the term symbols associated with theenergy levels of the ground state. Lastly on the first part, we establish a relationshipbetween the configurational coordinate model and the electronic transitions of suchions. The second part shows the photoluminescence results in some oxide compoundmaterials doped with rare earth ions that have been reported in research articles with potential applications.