Reports the enhancement of critical temperature in YBa2Cu3O7 pellets due to deuterium absorption, suggesting a novel method for improving superconductivity.
In this paper we report preliminary results about transition temperatures of YBa_2Cu_3O_7 pellets loaded with high pressure deuterium gas. After the gas loading non-superconducting phases were not detected by X-ray diffraction. The complex magnetic AC susceptibility has been measured as a function of the temperature. One D-YBCO pellet exhibited a magnetic critical temperature (T_c) as high as 100K and the absence of a significant weakening of the superconducting grain coupling. Another sample, with T_c of 95.8K in free air, showed a T_c onset as high as 102K under 35bar of deuterium gas pressure.
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M. et al. (1993) studied this question.
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