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Oxygen defects relaxation in high-temperature YBa2Cu3O7 superconductors

  • Proceedings of the International Symposium “Ordering in Minerals and Alloys” (OMA-14)
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The temperature dependences of normal state static magnet susceptibility χ(T) for high-temperature YBa2Cu3O7 superconductors (T c ≤ T ≤ 400 K) measured for the same sample before and after 22 years of storage are compared. It is shown that during longime storage of a maximally doped sample, its electronic system is more in equilibrium than it was in the initial state, while a similar underdoped sample decomposed completely. Comparing the χ(T) curves for YBa2Cu3O7, we draw conclusions as to the nature of the Curie contribution and the fluctuation-induced contribution to the magnetic susceptibility of the investigated sample, and the experimental procedure for determining T c.

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Authors and Affiliations

  1. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991, Russia

    N. G. Trusevich, L. G. Mamsurova, A. A. Vishnev & N. B. Butko

Authors
  1. N. G. Trusevich
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  2. L. G. Mamsurova
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  3. A. A. Vishnev
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  4. N. B. Butko
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Corresponding author

Correspondence to L. G. Mamsurova.

Additional information

Original Russian Text © N.G. Trusevich, L.G. Mamsurova, A.A. Vishnev, N.B. Butko, 2012, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2012, Vol. 76, No. 3, pp. 358–361.

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Trusevich, N.G., Mamsurova, L.G., Vishnev, A.A. et al. Oxygen defects relaxation in high-temperature YBa2Cu3O7 superconductors. Bull. Russ. Acad. Sci. Phys. 76, 312–314 (2012). https://doi.org/10.3103/S1062873812030355

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  • DOI: https://doi.org/10.3103/S1062873812030355

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