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Issue 4, 1991
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Phase relations in the system BiO1.5–SrO–CuO at 1123 K


Phase relations in the system Bi–Sr–Cu–O at 1123 K have been investigated using optical microscopy, electron-probe microanalysis (EPMA) and powder X-ray diffraction (XRD) of equilibrated samples. Differential thermal analysis (DTA) was used to confirm liquid formation for compositions rich in BiO1.5. Compositions along the three pseudo-binary sections and inside the pseudo-ternary triangle have been examined. The attainment of equilibrium was facilitated by the use of freshly prepared SrO as the starting material. The loss of Bi2O3 from the sample was minimized by double encapsulation. A complete phase diagram at 1123 K is presented. It differs significantly from versions of the phase diagram published recently.

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J. Mater. Chem., 1991,1, 545-549
Article type

Phase relations in the system BiO1.5–SrO–CuO at 1123 K

K. T. Jacob and T. Mathews, J. Mater. Chem., 1991, 1, 545
DOI: 10.1039/JM9910100545

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