Red Luminescence of Cr in ß-Ga<sub>2</sub>O<sub>3</sub> Nanowires Authors: Emilio Nogales, J. A. García, Bianchi Méndez and Javier Piqueras Year: 2007 Journal: J. Appl. Phys. Volume: 101 More information http://scitation.aip.org/content/aip/journal/jap/101/3/10.1063/1.2434834