Evaluation of H<i>c</i>2 of high-temperature superconductors RBa2Cu3O7 (R = Y, Gd, Tm, Yb) from the magnetization data
V. M. DmitrievPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. S. PanfilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovI. V. SvechkarevPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovT. G. DeĭnekaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovT.I. KorshikovaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovR. F. RamakaevaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
Аннотация
From the data on magnetization of HTS ceramics RBa2Cu3O7, Hc2 at liquid helium temperature is evaluated by using the standard expression for reversible magnetization of type II superconductors in the region of intermediate fields.
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