Boron Substitution for Bi in Sr-Free Bi-2212 Superconductor of
โ Scribed by Hiroyuki Sasakura; Yoshiya Akagi; Shigeki Tsukui; Motoaki Adachi
- Publisher
- Springer
- Year
- 2010
- Tongue
- English
- Weight
- 228 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0896-1107
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๐ SIMILAR VOLUMES
We studied the effect of Ba substitution of Sr on magnetic Jc properties and irreversibility line of single phase (Bi,Pb)2Sr2Ca2Cu3Oy superconductors. We found from field dependence of the magnetic Jc that the Ba substitution of 10% Sr resulted in maximal improvement on magnetic Jc and irreversibili
A polycrystalhne sample of BhSr2Ca 0 aYe)2Cu20 a + ~ was prepared by a solid state reaction method The effect of annealing temperatures on Tยข both m oxygen flow and secondary vacuum were investigated using a.c. susceptlblhty measurements The onset of T~ increases from 60 K to 82 K as a result of oxy