Amelia R. Klein, Hayley J. Austin, Fumikazu Murakami, Jamie Ford, Jun Tatebayashi, Masayoshi Tonouchi, Yasufumi Fujiwara, Volkmar Dierolf, Lee C. Bassett, Brandon Mitchell. "Site-selective enhancement of Eu emission in delta-doped GaN." Applied Physics Letters, 2026. doi:10.1063/5.0317065