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Chemical control of superconducting properties of (Y, Ca)(Sr, Ba)2Cu2.7Ga0.3O7−δ

✍ Scribed by T. G. N. Babu; C. Greaves

Publisher
Springer
Year
1994
Tongue
English
Weight
339 KB
Volume
7
Category
Article
ISSN
0896-1107

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Preparation, crystal structure and superconductivity of (C, Cu)(Sr, Ca)2(Y, Ca, Sr)Cu2O7
✍ Y. Miyazaki; H. Yamane; T. Kajitani; N. Kobayashi; K. Hiraga; Y. Morii; S. Funah 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 570 KB

A series of solid solutions containing CO3 groups, (CyCul\_y)(Srl \_z/2Caz/2)2(Y1 \_xCax\_zSrz)Cu20 d with 0.30<x <0.70, was prepared at 1313 K under the atmosphere of 02-4202. The values ofy (0.48-0.67) and z (0.14--0.28) depend on the total Ca content, x. The length of the a-axis increases from 3.