Effect of Structural Phase Transitions on the Superconductivity of PdHx(Dx)

  • R. W. Standley
  • C. B. Satterthwaite
Part of the NATO Conference Series book series (NATOCS, volume 6)


We have examined how the order-disorder structural transitions associated with the “50 K anomaly” in palladium hydride (deuteride) affect the superconducting transition temperature. In PdD0.817 and PdHO.837 samples, the long-range ordering of vacancies in the H(D) sublattice leads to a 7–9% reduction in Tc. While no long range ordering occurs in a PdD0.742 sample, the enhancement of short-range order results in a 7.5% increase in Tc. In all cases the changes in Tc are reversible, the transition temperatures reverting to their original values after the samples are again disordered.


Neutron Diffraction Structural Phase Transition Superconducting Transition Temperature Resistance Ratio Sample Resistance 
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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • R. W. Standley
    • 1
  • C. B. Satterthwaite
    • 1
  1. 1.Physics Department and Materials Research LaboratoryUniversity of Illinois at Urbana-ChampaignUrbanaUSA

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