Transformation of Co3O4nanoparticles to CoO monitored byin situTEM and predicted ferromagnetism at the Co3O4/CoO interface from first principles

• DOI: 10.1039/d0tc05727d
• Publication Date: 2021-03-27T09:13:32Z
• Authors: Xiaodan Chen; Heleen van Gog; Marijn A. van Huis
• Keywords: Chemistry; Materials Chemistry; General Chemistry; 01 natural sciences; 7. Clean energy; 620; 0104 chemical sciences

The heating-induced transformation of Co3O4nanoparticles to CoO at 350–400 °C was monitored in nanoscale detail byin situTEM; DFT calculations predict a considerable net ferromagnetic moment originating from the Co3O4/CoO interface.