Sapphire CL/FloodGun measurement, Hirata <i>et al.</i> 2005

Sapphire CL/FloodGun measurement, Hirata et al. 2005

Reference	Hirata et al. 2005 Hirata G., Perea N., Tejeda M., Gonzalez-Ortega J. A. & McKittrick J. (2005). Luminescence study in Eu-doped aluminum oxide phosphors. Optical Materials, 27(7), 1311-1315. DOI: https://doi.org/10.1016/j.optmat.2004.11.029
Material	Sapphire [ Al₂O₃ ] Sapphire specimen from Malawi © Photo by Greg Polley, via Smithsonian National Museum of Natural History
Specimen temperature	Ambient
Technique	Cathodoluminescence (CL), using a flood-gun source
Lines	Eu³⁺ 598 nm, 614 nm, 690 nm

Nominal composition of Sapphire [ Al₂O₃ ].
Element	Atoms	At%	Wt%
Al	2	40	52.9
O	3	60	47.1