Influence of External Magnetic Field on Transport Characteristics of Superconducting Junctions MoRe–Si(W)–MoRe

V. E. Shaternik$^{1}$, O. Yu. Suvorov$^{1}$, I. G. Gavrysh$^{1}$, A. P. Shapovalov$^{1,2}$

$^{1}$G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine
$^{2}$V. M. Bakul Institute for Superhard Materials, NAS of Ukraine, 2 Avtozavodska Str., UA-04074 Kyiv, Ukraine

Received: 17.06.2020; final version - 11.10.2020. Download: PDF

The effect of a magnetic field on the current-voltage characteristics of MoRe–Si(W)–MoRe heterostructures formed by superconducting banks (molybdenum-rhenium alloy) and a hybrid semiconducting tunnelling barrier (nanoscale silicon layer with tungsten nanoclusters) is investigated experimentally. A growth of the resistive region in the corresponding curves is observed and it is shown that this effect is a consequence of a modification in the weak localization of electrons in the disordered barrier under the influence of the applied magnetic field.

Key words: current-voltage characteristics, hybrid superconducting heterostructures, resonant-percolation one-dimensional transport, weak localization.



PACS: 73.23.Hk, 73.43.Jn, 74.25.F-, 74.45.+c, 74.50.+r, 74.55.+v, 74.81.Fa

Citation: V. E. Shaternik, O. Yu. Suvorov, I. G. Gavrysh, and A. P. Shapovalov, Influence of External Magnetic Field on Transport Characteristics of Superconducting Junctions MoRe–Si(W)–MoRe, Metallofiz. Noveishie Tekhnol., 42, No. 12: 1617—1627 (2020) (in Ukrainian)

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