The oxygen content and its ordering in the chain planes in fine-grained HTSC YBa2Cu3Oy
โ Scribed by L. G. Mamsurova; K. S. Pigalskiy; A. A. Vishnev
- Book ID
- 111501476
- Publisher
- Allerton Press Inc
- Year
- 2009
- Tongue
- English
- Weight
- 191 KB
- Volume
- 73
- Category
- Article
- ISSN
- 1062-8738
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A microscopic model is described which is able to reproduce the observed dependence of Tยข on oxygen stoichiometry for the 123 superconductor YBa2Cu3OT\_~. The approach provides a way of estimating the electron hole concentration at the planar copper sites and makes use of the expected location of th
The magnetically ordered states in the oxygen-deficient YBa2 ( Cut \_xFex ) 3Oy ~ 6.~ system (0.01 < x < 0.30) have been studied by MSssbauer spectroscopy. Magnetic ordering of Fe atoms is found at Cu ( 1 ) sites as well as at Cu (2) sites. At small iron concentrations x < 0.05 the Cu ( 1 ) and Cu (