1 March 1991 Grain-oriented high-Tc superconductors and their applications
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Ninety six percent grain-orientation was achieved in YBa2Cu3O(7-x) ceramics using the hot-forging technique. X-ray diffraction measurements show that the c-axis is oriented parallel to the direction of pressing while the a and b axes are in the plane perpendicular to the pressing direction. Optical and electron microscopy fully support the X-ray results. Highly grain-oriented samples show a sharp Tc at 92 K and in some samples, Jc was found to be close to 10,000 A/sq cm.
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Jeffrey G. Nelson, Ratnakar R. Neurgaonkar, R. Crooks, C. G. Rhodes, "Grain-oriented high-Tc superconductors and their applications", Proc. SPIE 1394, Progress In High-Temperature Superconducting Transistors and Other Devices, (1 March 1991); doi: 10.1117/12.25746; https://doi.org/10.1117/12.25746

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