Appl. surf. sci. Appl. surf. sci. Modifying vacancy defects during systematic disordering of the Cr2AlC nano-lamellar system Cabaço João S. Liedke Maciej Oskar Pablo-Navarro Javier Ganss Fabian Magén César Ibarra García Manuel Universidad de Zaragoza Kentsch Ulrich Butterling Maik Wagner Andreas Lindner Jürgen Faßbender Jürgen Leyens Christoph Boucher Richard Bali Rantej 2025 research-article