Subsolidus phase equilibrium of Na2O-Sm2O3-B2O3 system has been investigated mainly by solid-state reaction and powder X......

用固相反应法制备、并通过不同条件的热处理得到了一组不同氧含量的Nd0.9Ca0.1Ba2Cu3O6 x样品。用X射线衍射确定了样品的相结构。......