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Effect of iron doping and oxygen stoichiometry on infrared absorption in Y1Ba2Cu3O7−δ

✍ Scribed by A K Sood; K Sankaran; Y Hariharan; S Vijayalakshmi; V Sankara Sastry; S Kalavathi; J Janaki


Book ID
112908871
Publisher
Springer-Verlag
Year
1988
Tongue
English
Weight
441 KB
Volume
31
Category
Article
ISSN
0304-4289

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The oxygen isotope effect in Y Ba2 (Cu1−
✍ Jürgen P. Franck; Stuart Harker; Ming Yu 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 129 KB

We investigated the oxygen isotope effect in superconducting Co substituted YBCO. Co concentrations between 4 and 13% were used. The transition temperature T c falls monotonously to 22.7 K for x = 0.13. The oxygen isotope exponent n0 rises from n0 = 0.08 (4% Co) to n0 = 0.46 (x = 0.13%) at the lowes