Patent ID: 6060657
Filing Date: 2000-05-09
Classification: H01L,Y10T

Abstract:
A superlattice structure comprising:a first plurality of layers formed from material D.sub.z J.sub.1-z ;a second plurality of layers formed from material L.sub.x M.sub.1-x D.sub.z J.sub.1-z ;a third plurality of layers formed from material L.sub.x M.sub.1-x D.sub.z J.sub.1-z ; andwherein D is a Group VI non-metal selected from the group of Te, Se, and S, J is a group VI non-metal selected from the group of Te, Se, and S, L is a group IV metal selected from the group of Pb, Sn, and Ge, M is a Group IV metal selected from the group of Pb, Sn, and Ge, D is not the same as J, L is not the same as M, 0.ltoreq.x.ltoreq.1 and 0.ltoreq.z.ltoreq.1.