Oxygen intercalation in the perovskite superconductor YBa2Cu3O6+x

W. R. McKinnon, M. L. Post, L. S. Selwyn, G. Pleizier, J. M. Tarascon, P. Barboux, Laura Greene, G. W. Hull

Research output: Contribution to journalArticle

Abstract

We have studied superconductivity and the thermodynamics of oxygen insertion in the oxygen intercalation system YBa2Cu3O6+x. The superconducting transition temperature decreases as x decreases, and the transition is sharp at Tc=90 K near x=1 and at 55 K near x=0.5. The thermodynamics of oxygen intercalation at high temperatures (both isotherms and isobars), and the orthorhombic-tetragonal transition, can be explained in terms of a lattice-gas model that includes a large energy of repulsion between oxygen atoms on nearest-neighbor sites. The high-temperature behavior is also consistent with smaller interactions, some attractive, between second neighbors. Such energies are needed to explain the behavior at low temperatures.

Original languageEnglish (US)
Pages (from-to)6543-6551
Number of pages9
JournalPhysical Review B
Volume38
Issue number10
DOIs
StatePublished - Jan 1 1988

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intercalation
oxygen
thermodynamics
isobars
insertion
oxygen atoms
isotherms
superconductivity
transition temperature
energy
gases
interactions

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

McKinnon, W. R., Post, M. L., Selwyn, L. S., Pleizier, G., Tarascon, J. M., Barboux, P., ... Hull, G. W. (1988). Oxygen intercalation in the perovskite superconductor YBa2Cu3O6+x. Physical Review B, 38(10), 6543-6551. https://doi.org/10.1103/PhysRevB.38.6543

Oxygen intercalation in the perovskite superconductor YBa2Cu3O6+x. / McKinnon, W. R.; Post, M. L.; Selwyn, L. S.; Pleizier, G.; Tarascon, J. M.; Barboux, P.; Greene, Laura; Hull, G. W.

In: Physical Review B, Vol. 38, No. 10, 01.01.1988, p. 6543-6551.

Research output: Contribution to journalArticle

McKinnon, WR, Post, ML, Selwyn, LS, Pleizier, G, Tarascon, JM, Barboux, P, Greene, L & Hull, GW 1988, 'Oxygen intercalation in the perovskite superconductor YBa2Cu3O6+x', Physical Review B, vol. 38, no. 10, pp. 6543-6551. https://doi.org/10.1103/PhysRevB.38.6543
McKinnon WR, Post ML, Selwyn LS, Pleizier G, Tarascon JM, Barboux P et al. Oxygen intercalation in the perovskite superconductor YBa2Cu3O6+x. Physical Review B. 1988 Jan 1;38(10):6543-6551. https://doi.org/10.1103/PhysRevB.38.6543
McKinnon, W. R. ; Post, M. L. ; Selwyn, L. S. ; Pleizier, G. ; Tarascon, J. M. ; Barboux, P. ; Greene, Laura ; Hull, G. W. / Oxygen intercalation in the perovskite superconductor YBa2Cu3O6+x. In: Physical Review B. 1988 ; Vol. 38, No. 10. pp. 6543-6551.
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