Accession Number:

ADD013837

Title:

Thin Film Growth of Superconducting Materials Using Sprayed Salt Solutions.

Descriptive Note:

Patent Application, Filed 23 Nov 87,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

1987-11-23

Pagination or Media Count:

21.0

Abstract:

A method for growing a high Tc superconductive oxide film of the general formula XZ2Cu3O6x, wherein X is yttrium, a lanthanide or a mixture thereof, Z is one or more alkaline earth elements and x is a number between 0 and 1. A preferred method of the invention comprises the steps of preparing an aqueous solution of the nitrates of X, Z and Cu in the XZCu stoichiometric ratio of 123 spraying the aqueous nitrate solution onto a substrate heated to a temperature between about 300 C and about 700 C to form a thin film of XZ2Cu3Oy material on the substrate, wherein y is an undefined number annealing the XZ2Cu3Oy film on the substrate at a temperature between about 800 C and about 950 C in an oxygen-rich atmosphere for a time sufficient to convert the XZ2Cu3Oy film to a low Tc superconductive film. Patent Applications. mjm

Subject Categories:

  • Inorganic Chemistry
  • Electricity and Magnetism
  • Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE