Superconductivity in the palladium‐hydrogen system | Zendy

Skośkiewicz T. | Zendy

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Superconductivity in the palladium‐hydrogen system

Author(s) -

Skośkiewicz T.

Publication year - 1973

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220590133

Subject(s) - extrapolation , palladium , electrical resistivity and conductivity , stoichiometry , superconductivity , hydrogen , palladium hydride , critical field , condensed matter physics , materials science , hydride , analytical chemistry (journal) , magnetic field , chemistry , physics , mathematics , mathematical analysis , biochemistry , organic chemistry , chromatography , quantum mechanics , catalysis

Superconductivity has been investigated in palladium hydride samples prepared electrolytically. At H/Pd ratios higher than 0.77 a strong dependence of the superconducting critical temperature on H/Pd ratio has been observed. The critical temperature of 6.6 K was found at H/Pd = 0.94. Extrapolation of the experimental data up to H/Pd = 1 gave the critical temperature of stoichiometric PdH about 11 K. It is shown that the normal residual resistivity of a sample can be used for an estimation of the hydrogen content. The measurements of the electrical resistance in the magnetic field revealed a linear dependence of the critical magnetic field on temperature. Extrapolation of H c down to T = 0 gave an H c (0) value equal to 1800 Oe independent of H/Pd.

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