The synthesis and superconductivity of a new type of Bi-1212 phase (Bi, Cd)Sr2(Y, Ca)Cu2Oz
โ Scribed by Qian Yitai; Tang Kaibin; Yang Peidong; Chen Zuyao; Li Rukang; Zhou Guien; Zhang Yuheng; Wang Nanlin
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 235 KB
- Volume
- 209
- Category
- Article
- ISSN
- 0921-4534
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Samples with nominal compositions of x = 0-0.1 in (Bi (1+3x)/3 Cu (2ร3x)/3 )Sr 2 (RE 1รx Ca x )Cu 2 O z ((Bi,Cu)-''1-2-1-2"; RE: Y or rare-earth element) were synthesized by a solid-state reaction method and characterized by means of X-ray diffractometry (XRD). It is confirmed that the (Bi,Cu)-''1-2
The mechanism and dynamic model of the formation of 2223 phase are presented and verified in the paper. It reveals that with the solubilization of part of the 2212 phase, 2223 phase is formed by the reaction being carried out according to a nucleation and growth mechanism in the presence of liquid p