Controlling the Formation of Nanocavities in Kirkendall Nanoobjects through Sequential Thermal Ex Situ Oxidation and In Situ Reduction Reactions. - Mel, Abdel‐Aziz El; Tessier, Pierre‐Yves; Buffiere, Marie; Gautron, Eric; Ding, JunJun; Du, Ke; Choi, Chang‐Hwan; Konstantinidis, Stephanos; Snyders, Rony; Bittencourt, Carla; Molina‐Luna, Leopoldo (Small, 2016)