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Normal Atmospheric Preparation of YBa2Cu4O8 Superconductor from Nitrate Solution by Freeze-Drying Method
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A homogeneous superconducting material of YBa2Cu4O8 has been successfully prepared under normal O2 pressures from nitrate solution by means of a freeze-drying method without any catalyst. Thermal decomposition of freeze-dried powders and subsequent sintering under 1-atm oxygen ambient resulted in the YBa2Cu4O8 superconductor. Among the experimental parameters, temperatures during the decomposition and sintering have been studied in detail. X-ray diffraction analysis and dc-susceptibility measurements revealed the optimum conditions of the present preparation method.
Title: Normal Atmospheric Preparation of YBa2Cu4O8 Superconductor from Nitrate Solution by Freeze-Drying Method
Description:
A homogeneous superconducting material of YBa2Cu4O8 has been successfully prepared under normal O2 pressures from nitrate solution by means of a freeze-drying method without any catalyst.
Thermal decomposition of freeze-dried powders and subsequent sintering under 1-atm oxygen ambient resulted in the YBa2Cu4O8 superconductor.
Among the experimental parameters, temperatures during the decomposition and sintering have been studied in detail.
X-ray diffraction analysis and dc-susceptibility measurements revealed the optimum conditions of the present preparation method.
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