Figure 5
From: Electrically and Optically Readable Light Emitting Memories
(a) Electroluminescence (EL) spectra of light-emitting memory (LEM) with different injection current. (b) Energy band diagram of graphene/SiO2/p-GaN metal/insulator/semiconductor light-emitting diode (GIS-LED) under thermal equilibrium. (c) Energy band diagram of graphene/SiO2/p-GaN GIS-LED under bias.
