Abstract
We investigate the reactive flash sintering of Mg0.2Ni0.2Co0.2Cu0.2Zn0.2O precursor powders prepared by a polymeric synthesis route. The flash experiments were performed at a constant heating rate of 10掳C聽min鈭�1with electric fields from 15 to 60聽V聽cm鈭�1. The single-phase rock-salt structure was obtained in just a few seconds at furnace temperatures as low as 500掳C, under an electric field of 60聽V聽cm鈭�1聽and a current density of 150聽mA聽mm鈭�2. Success at processing an entropy-driven phase in a remarkably short time and low furnace temperature demonstrates the potential of reactive flash sintering for producing entropy-stabilized materials.