Hyung Wook Choi

Defect engineering and functional modulation of nickel oxide for electronic and energy devices

Nickel oxide (NiO) is a prototypical correlated transition-metal oxide in which Ni 3d–O 2p hybridization, charge-transfer interactions, and intrinsic defect chemistry govern its electronic structure and device-relevant functionality. In NiO thin films, p-type conduction, optical...