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Paramagnetism of copper–oxygen chains in high-temperature YBa2Cu3O6 + δ superconductors

  • Proceedings of the International Interdisciplinary Symposium “Ordering in Minerals and Alloys” OMA-17 and Proceedings of the International Interdisciplinary Symposium “Order, Disorder, and the Properties of Oxides” ODPO-17
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Experimental evidence for the existence of chain paramagnetic Curie-type contributions to the temperature dependence of static magnetic susceptibility χ(T) in the normal (nonsuperconducting) state is obtained for a series of pure YBa2Cu3O6 + δ high temperature superconductors with different oxygen contents (0.6 < δ ≤ 1). It is shown that the chain contribution is obvious on χ(T) curves only in the T < 150K range of temperatures, grows along with the number of oxygen vacancies in Cu1–O4 chains, and depends on the ordering of these vacancies.

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Authors and Affiliations

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

    L. G. Mamsurova, N. G. Trusevich, K. S. Pigalskiy, A. A. Vishnev & I. V. Mamsurov

  2. Faculty of Physics, Moscow State University, Moscow, 119991, Russia

    I. V. Mamsurov

Authors
  1. L. G. Mamsurova
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  2. N. G. Trusevich
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  3. K. S. Pigalskiy
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  4. A. A. Vishnev
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  5. I. V. Mamsurov
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Corresponding author

Correspondence to L. G. Mamsurova.

Additional information

Original Russian Text © L.G. Mamsurova, N.G. Trusevich, K.S. Pigalskiy, A.A. Vishnev, I.V. Mamsurov, 2016, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2016, Vol. 80, No. 5, pp. 558–561.

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Mamsurova, L.G., Trusevich, N.G., Pigalskiy, K.S. et al. Paramagnetism of copper–oxygen chains in high-temperature YBa2Cu3O6 + δ superconductors. Bull. Russ. Acad. Sci. Phys. 80, 504–507 (2016). https://doi.org/10.3103/S1062873816050129

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  • DOI: https://doi.org/10.3103/S1062873816050129

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