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Properties of thick evaporated layers of PbTe

By C.S. Evans and J.S. Seeley

Abstract

The changes in the optical transparency of PbTe monolayers induced by post-evaporation heat treatment are described. The monolayers are typically a few microns in thickness and heat treatment reduces the carrier density from about 1018 (n-type) per cm3 to 1017 per cm3 : the source material is 1019 (ptype) per cm3. The process seems to involve the diffusion of O2 at a reaction rate equivalent to an energy of 0.83 eV

Publisher: EDP Sciences
Year: 1968
OAI identifier: oai:centaur.reading.ac.uk:17580
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