High pressure synthesis and properties of Hg-1234 and Hg-p223 phasesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The Hg-1223 and Hg-1234 phases were synthesized using the program-controlled high pressure chamber. The variation of the oxygen content in the starting oxides mixture "HgBa2Ca3Cu4Ox", performed by changing BaO/BaO2 and Cu2O/CuO ratios influences significantly the phase formation. Dependence of T-c vs. a-parameter for HgBa2Ca2Cu3O8+delta superconductor has a cupola-shaped character, as it was found for the lower members of the homologous series.