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Electron-phonon coupling of apex oxygen in RBa2Cu3O7−δ

✍ Scribed by B. Friedl; C. Thomsen; E. Schönherr; M. Cardona


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
378 KB
Volume
76
Category
Article
ISSN
0038-1098

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Incompatibility of hole-filling and pair
✍ Howard A. Blackstead; John D. Dow 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 134 KB

R-site magnetic rare-earth ions in superconducting \(\mathrm{RBa}_{2} \mathrm{Cu}_{3} \mathrm{O}_{7-\delta}\) cannot both fill holes and break pairs. Therefore the observation of both phenomena implies that some rare-earth ions occupy sites other than the \(\mathrm{R}\)-sites, presumably Ba sites.