Claims
- 1. An oxide superconductor consisting of an oxide of the chemical formulaNd(Nd1−xBax)2Cu3O6+δwherein x≦1 and having a content of carbon as an impurity at a level not greater than 2.0 atomic %.
- 2. The oxide superconductor of claim 1, wherein the content of carbon is from 0.3 to 2.0 atomic %.
- 3. The oxide superconductor of claim 1, wherein the oxide has the chemical formulaNdBa2Cu3O6+δ.
- 4. The oxide superconductor of claim 1, wherein the content of carbon is not greater than 1.25 atomic %.
Priority Claims (1)
Number |
Date |
Country |
Kind |
11-58784 |
Mar 1999 |
JP |
|
Parent Case Info
This is a division of Ser. No. 09/517,859, filed Mar. 3, 2000 now U.S. Pat. No. 6,537,949.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
5019555 |
Chin et al. |
May 1991 |
A |
5650376 |
Badaye et al. |
Jul 1997 |
A |
6063735 |
Park et al. |
May 2000 |
A |
Non-Patent Literature Citations (1)
Entry |
Aldrich “Products for Superconductivity Research” 1990-1991, p. 17. |