公开(公告)号：US5140000A

公开(公告)日：1992-08-18

申请号：US560033

申请日：1990-07-31

Applicant: Jeffrey L. Tallon ,  Robert G. Buckley ,  Donald M. Pooke

Inventor： Jeffrey L. Tallon ,  Robert G. Buckley ,  Donald M. Pooke

IPC: C01G3/00 ,  C01G1/00 ,  C04B35/45 ,  C04B35/64 ,  H01B12/00 ,  H01B13/00 ,  H01L39/12 ,  H01L39/24

CPC classification number: H01L39/12 ,  C04B35/4504 ,  C04B35/64 ,  H01L39/126 ,  Y10S505/725 ,  Y10S505/776 ,  Y10S505/779 ,  Y10S505/78

Abstract: The present invention comprises novel oxide materials exhibiting bulk superconductivity up to and exceeding 85K and processes for their synthesis. The oxides are within the formula R.sub.a Ba.sub.b Cu.sub.c O.sub.d wherein 1.9