Method of making a superconducting oxide comprising contacting a melt with an oxygen-containing atmosphere
Patent
·
OSTI ID:5194688
This patent describes a method of making an article that comprises a quantity of a superconductive oxide material containing at least two distinct metal elements M and M{prime} and oxygen in a defined ratio x:y:z, respectively. It comprises: forming a melt from precursor material that contains at least one of M and M{prime} in elemental form, the precursor material selected such that the at least two metal elements M and M{prime} are present in the melt; and causing solidification of at least a part of the melt, the quantity of the superconductive oxide material being, or being derived from, the solidified part of the melt; wherein at least the part of the melt is at a temperature T, with T{sub m} {lt} T {lt} T{sub o}, where T{sub m} is the freezing temperature of the melt and T{sub o} is a melting temperature associated with the superconductive oxide material.
- Assignee:
- AT and T Bell Lab., Murray Hill, NJ (United States)
- Patent Number(s):
- US 5100870; A
- Application Number:
- PPN: US 7-630747
- OSTI ID:
- 5194688
- Country of Publication:
- United States
- Language:
- English
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