MANUFACTURE OF CADMIUM MERCURY TELLURIDE ON PATTERNED SILICON

摘要

This invention relates to the manufacture of Cadmium Mercury Telluride (CMT) on patterned silicon, especially to growth of CMT on silicon substrates bearing integrated circuitry. The method of the invention involves growing ! " in selected growth windows on the silicon substrate by first growing one or more buffer layers by MBE and then growing the CM" by MOVPE. The growth windows may be defined by masking the area outside of the growth windows. Growth within the growth windows is crystalline whereas any growth outside the growth windows is polycrystalline and can be removed by etching. The invention offers a method of growing CMT structures directly on integrated circuits removing the need for hybridisation.