High-pressure study on (formula presented)

B. Lorenz, R. L. Meng, C. W. Chu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The hydrostatic pressure effect on the newly discovered superconductor (formula presented) has been determined. The transition temperature (formula presented) was found to decrease linearly at a large rate of (formula presented) in good quantitative agreement with the ensuing calculated value of (formula presented) within the BCS framework by Loa and Syassen, using the full-potential linearized augmented plane-wave method. The relative pressure coefficient (formula presented) for (formula presented) also falls between the known values for conventional (formula presented) and d superconductors. The observation, therefore, suggests that electron-phonon interactions play a significant role in the superconductivity of the compound.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number1
Publication statusPublished - 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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