Document Type

Patent

Publication Date

4-21-1992

Abstract

A high temperature superconducting system has the general composition Tl-R-X-Y, wherein: R is a Group 2A element; X is a Group 1B element; and Y is a Group 6A element. Preferably, the composition has the following formula Tl-Ba-Cu-O. The high temperature superconductor of the present invention has a transition temperature of about 90 K with the probability of one phase superconducting at a temperature perhaps as high as 270 K. Processes for making the high temperature superconductor are also provided.

Department

Physics

Patent Number

US5106830

Application Filed

4-19-1990

Assignee

University of Arkansas (Little Rock, AR)

Comments

Zhengzhi Sheng, Department of Physics; Allen M. Hermann, Department of Physics

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