Issues »  Volume 38, Issue 3

Josephson Junctions with the Increased Value of a Characteristic Voltage

V. E. Shaternik$^{1}$, A. P. Shapovalov$^{2}$, A. V. Shaternik$^{2}$, T. A. Prikhna$^{2}$

$^{1}$G.V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03680 Kyiv-142, Ukraine
$^{2}$V. Bakul Institute for Superhard Materials NAS of Ukraine, 2 Avtozavods’ka Str., 04074 Kyiv, Ukraine

Received: 21.01.2016. Download: PDF

By using vacuum deposition and shadow-masks’ technique, there are fabricated and investigated Josephson proximity MgB$_{2}$—Al—Al$_{2}$O$_{3}$—MoRe junctions and Josephson resonance-percolation MgB$_{2}$—Si(W)—MoRe junctions based on the magnesium diboride (MgB$_{2}$) thin films. The increased values of the characteristic voltage I$_{C}$R$_{N}$ = 30—38 mV of fabricated MgB$_{2}$—Si(W)—MoRe junctions give a possibility to increase DC SQUID sensitivity by several times as a result of the increasing of their flux-to-voltage transfer coefficient.

Key words: superconductivity, magnesium diboride, Josephson junctions, DC SQUID, thin films, flux-to-voltage transfer coefficient.

URL: http://mfint.imp.kiev.ua/en/abstract/v38/i03/0319.html

DOI: https://doi.org/10.15407/mfint.38.03.0319

PACS: 73.23.-b, 73.40.Gk, 73.40.Ns, 74.50.+r, 74.70.Ad, 85.25.Am, 85.25.Cp, 85.25.Dq

Citation: V. E. Shaternik, A. P. Shapovalov, A. V. Shaternik, and T. A. Prikhna, Josephson Junctions with the Increased Value of a Characteristic Voltage, Metallofiz. Noveishie Tekhnol., 38, No. 3: 319—328 (2016) (in Russian)

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