Air as an adjustable insulator for C-V and G-V analysis of semiconductor surfaces

Abstract
An adjustable metal‐air‐semiconductor capacitor was fabricated using a Pb disk suspended 1700–3600 Å above an n‐type Si 〈111〉 surface. Experimental differential capacitance versus voltage and differential conductance versus voltage curves are similar to those previously obtained for metal‐oxide‐semiconductor capacitors.