The use of a thermobaric analyzer at synthesis of the HgCaO2 and superconductor Hg-1223 inside sealed quartz tubes

Authors
Cunha, AG Orlando, MTD Emmerich, FG Baggio-Saitovitch, E
Citation
Ag. Cunha et al., The use of a thermobaric analyzer at synthesis of the HgCaO2 and superconductor Hg-1223 inside sealed quartz tubes, PHYSICA C, 341, 2000, pp. 2469-2470
Citations number
3
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA C
ISSN journal
09214534 → ACNP
Volume
341
Year of publication
2000
Part
4
Pages
2469 - 2470
Database
ISI
SICI code
0921-4534(200011)341:<2469:TUOATA>2.0.ZU;2-G
Abstract
We compared the pressure inside sealed quartz tubes versus temperature for two different syntheses: the superconductor HgBa2Ca2CU3O8+delta (Hg-1223) a nd the competitor impurity phase HgCaO2. This study was done by using a new technique called thermobaric analysis (TBA), which was developed by us and allows the in-situ measurement of the total pressure of the gases in seale d quartz tubes during the syntheses at high temperatures.