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Hysteretic behavior of the magnetoresistance and the critical current of bulk Y3/4Lu1/4Ba2Cu3O7 + CuO composites in a magnetic field

✍ Scribed by D.A. Balaev; D.M. Gokhfeld; S.I. Popkov; K.A. Shaykhutdinov; M.I. Petrov

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 225 KB
Volume: 460-462
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2007.03.346

No coin nor oath required. For personal study only.

✦ Synopsis

The hysteretic behavior of critical current j C (H) and magneto-resistance R(H) of composites Y-Ba-Cu-O + CuO have been studied and presented. The composites represent the network of tunnel-type Josephson junctions where copper oxide acts as a material forming barriers between superconducting (YBCO) crystallites. The characteristic features of R(H) and j C (H) dependences are discussed in the frames of the conception of ''two level superconducting system'' (the Josephson media and HTSC crystallites) which is realized in the composites under study.

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Hysteretic behavior of the magnetoresistance and the critical current of bulk Y3/4Lu1/4Ba2Cu3O7&#xa0;+&#xa0;CuO composites in a magnetic field

✦ Synopsis

Hysteretic behavior of the magnetoresistance and the critical current of bulk Y3/4Lu1/4Ba2Cu3O7 + CuO composites in a magnetic field