Type-II heterojunctions have a staggered band alignment, where the conduction and valence bands of the two semiconductors are offset. This arrangement facilitates the spatial separation of electrons ...
Recently, type II superlattices have been proposed as an alternative to HgCdTe for the strategic windows of the 3- to 5 - ?m and 8- to 12- ?m regions as well as longer wavelengths. Type II ...