ChemInform Abstract: Pressure-Controlled Synthesis of the Hg0.82Re0.18Ba2Ca2Cu3 O8+δ Superconductor.
✍ Scribed by A. SIN; A. G. CUNHA; A. CALLEJA; M. T. D. ORLANDO; F. G. EMMERICH; E. BAGGIO-SAITOVITCH; M. SEGARRA; S. PINOL; X. OBRADORS
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 33 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Pressure-Controlled Synthesis of the Hg 0.82 Re 0.18 Ba 2 Ca 2 Cu 3 O 8+δ Superconductor.
-A new powerful technique is applied to study the pressure influence in Hg,Re-1223 superconductor synthesis in a systematic way. The developed thermobaric analysis pressure sensor is used for the in situ measurement of the pressure of the system, allowing both the thermodynamic and kinetic aspects of the reaction to be investigated. -(SIN, A.; CUNHA,
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Enhancement of Zero Resistance Temperature above 90 K and Hole Distribution in (Hg0.5Pb05)Sr2(Ca0.7Y0.3)Cu2O7-δ via Chemical Substitution of Ba into Sr Sites. -In the series of superconducting (Hg0.5Pb0.5)(Sr2-xBax)(Ca0.7Y0.3) Cu2O7-δ compounds the zero resistance temp. increases from 78 K for x =