What is the intrinsic carrier concentration of Si at 300 K temperature?

What are the crystal structures of single crystal Si and single crystal GaAs? How are they similar/different?

a) b) 1. 2. 3. Calculate the majority and minority carrier concentrations in silicon at T = 300K if Na = 10¹7cm-3 Nd=5 x 10¹5 cm-³ Calculate n For part (a)- it is p-type For part (b)- it is n-type Material Silicon (Si) Gallium arsenide (GaAs) Germanium (Ge) E. (eV) 0.66 3 K-3/2) B (cm 5.23 x 10¹5 2.10 × 10¹4 1.66 × 10¹

What is the role of SiO2 in Integrated Circuits? a) Insulating component b) Resistance component c) Voltage component d) Output component