Current-tuned superconductor to insulator transition in granular Sm1.82Ce0.18CuO4-delta superconductor

M. S. da Luz; M. J. R. Sandim; C. A. M. dos Santos; A. J. S. Machado; R. F. Jardim

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Current-tuned superconductor to insulator transition in granular Sm1.82Ce0.18CuO4-delta superconductor

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Author(s):	M. S. da Luz ^[1] ; M. J. R. Sandim ^[2] ; C. A. M. dos Santos ^[3] ; A. J. S. Machado ^[4] ; R. F. Jardim ^[5] Total Authors: 5
Affiliation:	^[1] USP. Escola de Engenharia de Lorena - Brasil ^[2] USP. Escola de Engenharia de Lorena - Brasil ^[3] USP. Escola de Engenharia de Lorena - Brasil ^[4] USP. Escola de Engenharia de Lorena - Brasil ^[5] USP. Instituto de Física - Brasil Total Affiliations: 5
Document type:	Journal article
Source:	Brazilian Journal of Physics; v. 37, p. 1160-1163, 2007-09-00.
Abstract
We have measured transport properties at low temperatures for the granular Sm1.82Ce0.18CuO4-delta samples belonging to the family of electron-doped superconductors. The effect of applied electrical current on the resistive behavior is investigated. The experimental data are analyzed using a modified form of the theory for a field-tuned superconductor-insulator transition in 2D superconductors. The results suggest a possible electrical-current driven superconductor-insulator transition. (AU)

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