Flux-creep crossover in aligned HgBa2Ca2Cu3Oy superconductor
β Scribed by J.H Lee; G.C Kim; Y.C Kim; D.Y Jeong
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 359 KB
- Volume
- 407
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
Intergrowth structures, which occur in the HgBa2Ca2Cu3Oy ceramic superconductor, were observed by means of transmission electron microscopy (TEM). There are at least two types of intergrowth structure: Hg-1212/Hg-1223 and Hg-1223/Hg-1234. The congruence relationships for these intergrowth structures
The onset temperature ( T,) of the Meissner signal for HgBaZCa2Cu30, (which is 134 K under normal pressure) has been measured under high pressure up to 11 GPa. It is observed that T, increases with increasing pressure at the rate of dT,/dP= 2.0 K/ GPa and then dT./dPbecomes relatively small above 6