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Effect of isotopic substitution of oxygen on Tc and the phonon frequencies of high Tc superconductors

✍ Scribed by M. Cardona; R. Liu; C. Thomsen; W. Kress; E. Schönherr; M. Bauer; L. Genzel; W. König

Publisher
Elsevier Science
Year
1988
Tongue
English
Volume
67
Category
Article
ISSN
0038-1098

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Effect of Pseudogap on the Isotope Expon
Effect of Pseudogap on the Isotope Exponent of High-Tc Superconductors
✍ P. Udomsamuthirun 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 97 KB 👁 2 views

The purpose of this paper is to explain the unusual isotope coefficients of cuprates by considering the influence of a pseudogap and phononic and electronic interactions in weak-coupling limit. Exact analytic expressions of the isotope exponent (a) for the s-and d-wave pairing symmetry are derived.