Electrical performance of single domain YBa2Cu3Oy fabricsстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The electrical performance of a new form of superconducting YBa2Cu3Oy fabrics prepared in a self-supporting form is discussed. The single domain Y123 fabrics processed by an infiltration process from precursor Y2O3 cloths have dimensions of thick films and posses the structure replica of precursor Y2O3 fabrics. The electrical properties of the fabrics determined by dc-susceptibility and dc-measurements are discussed. The T-c of the fabrics from ac-susceptibility measurements are found to be around 90 K. The transport J(c) measurements in self-field showed the transition between the superconducting state and flux-flow regime to occur at a critical current density (J(c)) exceeding 5.5 x 10(4) A/cm(2) at 77 K. Quench tests at 77 K using pulsed currents up to five times J(c) with a duration of 25 ms are discussed. (C) 2002 Elsevier Science B.V. All rights reserved.