High Kinetic Inductance in Platinum-Coated Aluminum Nanobridge Interferometers

被引：0
|
作者：
Nazhestkin, Ivan A. [1 ,2 ]
Bakurskiy, Sergey V. [3 ]
Neilo, Alex A. [3 ]
Tarasova, Irina E. [1 ,2 ]
Ismailov, Nidzhat G. [4 ]
Gurtovoi, Vladimir L. [1 ]
Egorov, Sergey V. [1 ]
Lisitsyn, Sergey A. [1 ]
Stolyarov, Vasily S. [2 ]
Antonov, Vladimir N. [5 ]
Ryazanov, Valery V. [1 ,2 ]
Kupriyanov, Mikhail Y. [3 ]
Soloviev, Igor I. [3 ]
Klenov, Nikolay V. [4 ]
Yakovlev, Dmitry S. [6 ]
机构：
[1] Quantum Ctr, Superconducting Quantum Comp Lab, Skolkovo 143025, Moscow, Russia
[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia
[3] Moscow State Univ, Skobeltsyn Inst Nucl Phys, Leninskie Gory GSP 1, Moscow 119991, Russia
[4] Moscow State Univ, Fac Phys, Moscow 119991, Russia
[5] Skolkovo Inst Sci & Technol, Bolshoy Boul 30, Moscow 121205, Russia
[6] Sorbonne Univ, PSL Res Univ, CNRS, ESPCI Paris,Lab Phys & Etud Mat, F-75005 Paris, France
来源：
ADVANCED ENGINEERING MATERIALS | 2025年 / 27卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
intermetallics; kinetic inductances; quantum technologies; superconducting quantum interference devices; GRANULAR ALUMINUM; SUPERCONDUCTING CIRCUITS; WIDE-BAND; SQUID; ELECTRODYNAMICS; DIFFUSION; AMPLIFIER; DENSITY; STATES; NOISE;
D O I：
10.1002/adem.202402385
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The transport properties of a nanobridge superconducting quantum interference device made of Al/Pt bilayer have been studied. Measurement and approximation of the voltage-field dependencies allow to estimate the inductance of the structure. It is found that this value significantly exceeds the expected geometric inductance and exhibits an atypical temperature dependence. To explain this effect, a microscopic model of electron transport in SN bilayers is developed, considering the proximity effect, and the available regimes of the current distribution are described. The measured properties may be indicative of the formation of high-resistance aluminum with high values of kinetic inductance during the fabrication of Al/Pt bilayers.
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页数：9
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