World Journal of Condensed Matter Physics

Volume 6, Issue 3 (August 2016)

ISSN Print: 2160-6919   ISSN Online: 2160-6927

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Nonequilibrium Effect in Ferromagnet-Insulator-Superconductor Tunneling Junction Currents

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DOI: 10.4236/wjcmp.2016.63018    1,900 Downloads   2,365 Views  

ABSTRACT

Nonequilibrium effect due to the imbalance in the number of the ? and ? spin electrons has been studied for the tunneling currents in the ferromagnet-insulator-superconductor (FIS) tunneling junctions within a phenomenological manner. It has been stated how the nonequilibrium effect should be observed in the spin-polarized quasiparticle tunneling currents, and pointed out that the detectable nonequilibrium effect could be found in the FIS tunneling junction at 77 K using HgBa2Ca2Cu3O8+? (Hg-1223) high-Tc superconductor rather than Bi2Sr2CaCu2O8+? (Bi-2212) one.

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Kitamura, M. , Yamaki, K. and Irie, A. (2016) Nonequilibrium Effect in Ferromagnet-Insulator-Superconductor Tunneling Junction Currents. World Journal of Condensed Matter Physics, 6, 169-176. doi: 10.4236/wjcmp.2016.63018.

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