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Related papers: Hybrid InAs nanowire-vanadium proximity SQUID

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Network structures by semiconductor nanowires hold great promise for advanced quantum devices, especially for applications in topological quantum computing. In this study, we created networks of PbTe nanowires arranged in loop…

We investigate electric transport and noise properties of microstrip-type submicron direct current superconducting quantum interference devices (dc SQUIDs) based on Nb thin films and overdamped Josephson junctions with a HfTi barrier. The…

Superconducting Quantum Interference Devices (SQUIDs) are one of the most popular devices in superconducting electronics. They combine the Josephson effect with the quantization of magnetic flux in superconductors. This gives rise to one of…

Superconductivity · Physics 2018-05-21 M. J. Martínez-Pérez , D. Koelle

A new type of a superconducting quantum interference device (SQUID) based on a single superconducting loop without Josephson junctions and with asymmetric link-up of current leads is proposed. This SQUID offers advantages in simplicity of…

Superconductivity · Physics 2015-06-19 A. A. Burlakov , V. L. Gurtovoi , A. I. Ilin , A. V. Nikulov , V. A. Tulin

We investigated, at temperature $4.2\,\mathrm{K}$, electric transport, flux noise and resulting spin sensitivity of miniaturized Nb direct current superconducting quantum interference devices (SQUIDs) based on submicron Josephson junctions…

Superconductivity · Physics 2015-05-28 J. Nagel , O. F. Kieler , T. Weimann , R. Wölbing , J. Kohlmann , A. B. Zorin , R. Kleiner , D. Koelle , M. Kemmler

Planar Josephson junctions (JJs) based on InSb nanoflags have recently emerged as an intriguing platform in superconducting electronics. This letter presents the fabrication and investigation of superconducting quantum interference devices…

Introducing new components and functionalities into quantum devices is critical in advancing state-of-the-art hardware. Here, we propose superconducting diodes (SDs) as a coherent nonreciprocal element in circuit quantum electrodynamics…

Quantum Physics · Physics 2026-04-22 Nicolas Dirnegger , Prineha Narang , Arpit Arora

We report development and microwave characterization of rf SQUID (Superconducting QUantum Interference Device) qubits, consisting of an aluminium-based Josephson junction embedded in a superconducting loop patterned from a thin film of TiN…

Mesoscale and Nanoscale Physics · Physics 2017-09-29 J. T. Peltonen , P. C. J. J. Coumou , Z. H. Peng , T. M. Klapwijk , J. S. Tsai , O. V. Astafiev

Hybrid superconductor/semiconductor devices constitute a powerful platform to investigate the emergence of new topological state of matter. Among all possible semiconductor materials, InAs represents a promising choice, owing to its high…

Here we report the fabrication and characterization of fully superconducting quantum interference proximity transistors (SQUIPTs) based on the implementation of vanadium (V) in the superconducting loop. At low temperature, the devices show…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 Nadia Ligato , Giampiero Marchegiani , Pauli Virtanen , Elia Strambini , Francesco Giazotto

We report the transport measurements on the InAs self-assembled quantum dots (SAQDs) which have a unique structural zero-dimensionality, coupled to a superconducting quantum interference device (SQUID). Owing to the SQUID geometry, we…

Mesoscale and Nanoscale Physics · Physics 2011-02-10 S. Kim , R. Ishiguro , M. Kamio , Y. Doda , E. Watanebe , K. Shibata , K. Hirakawa , H. Takayanagi

We report on the fabrication and characterization of microSQUID devices based on nanoscale vanadium/copper/vanadium Josephson weak links. Magnetically driven quantum interference patterns have been measured for temperatures in the 0.24 - 2…

Mesoscale and Nanoscale Physics · Physics 2013-09-06 Alberto Ronzani , Matthieu Baillergeau , Carles Altimiras , Francesco Giazotto

Nano-fabricated superconducting quantum interference device (nano-SQUID) is a direct and sensitive flux probe useful for magnetic imaging of quantum materials and mesoscopic devices. Enabled by functionalities of superconductive integrated…

Instrumentation and Detectors · Physics 2025-05-23 B. K. Xiang , S. Y. Wang , Y. F. Wang , J. J. Zhu , H. T. Xu , Y. H. Wang

The superconducting proximity effect has been the focus of significant research efforts over many years and has recently attracted renewed interest as the basis of topologically non-trivial states in materials with a large spin orbit…

Mesoscale and Nanoscale Physics · Physics 2019-07-10 C. Jünger , A. Baumgartner , R. Delagrange , D. Chevallier , S. Lehmann , M. Nilsson , K. A. Dick , C. Thelander , C. Schönenberger

Inductance plays a crucial role in the design and optimization of superconducting quantum interference devices (SQUIDs) for quantum sensing applications, since it dictates the sensitivity and coupling ratio with other circuit elements. In…

Superconductivity · Physics 2023-07-06 M. A. Gali Labarias , O. A. Nieves , S. T. Keenan , E. E. Mitchell

We have investigated asymmetrically shunted Nb/Al-AlO$_x$/Nb direct current (dc) superconducting quantum interference devices (SQUIDs). While keeping the total resistance $R$ identical to a comparable symmetric SQUID with $R^{-1} = R_1^{-1}…

Superconductivity · Physics 2015-06-05 M. Rudolph , J. Nagel , J. M. Meckbach , M. Kemmler , M. Siegel , K. Ilin , D. Koelle , R. Kleiner

A superconducting quantum interference device (SQUID) miniaturized into nanoscale is promising in the inductive detection of a single electron spin. A nano-SQUID with a strong spin coupling coefficient, a low flux noise, and a wide working…

Mesoscale and Nanoscale Physics · Physics 2016-12-28 Lei Chen , Hao Wang , Xiaoyu Liu , Long Wu , Zhen Wang

The recently discovered superconductor MgB2, with a transition temperature of 39K, has significant potential for future electronics. An essential step is the achievement of Josephson circuits, of which the superconducting quantum…

Superconductivity · Physics 2009-11-07 A. Brinkman , D. Veldhuis , D. Mijatovic , G. Rijnders , D. H. A. Blank , H. Hilgenkamp , H. Rogalla

Modern Superconducting QUantum Interference Devices (SQUIDs) are commonly fabricated from either Al or Nb electrodes, with an in-situ oxidation process to create a weak link between them. However, common problems of such planar nano- and…

Superconductivity · Physics 2021-08-18 Liam S. Farrar , Aimee Nevill , Zhen Jieh Lim , Geetha Balakrishnan , Sara Dale , Simon J. Bending

Integration of high quality semiconductor-superconductor devices into scalable and CMOS compatible architectures remains an outstanding challenge, currently hindering their practical implementation. Here, we demonstrate growth of InAs…

Mesoscale and Nanoscale Physics · Physics 2022-04-13 M. F. Ritter , H. Schmid , M. Sousa , P. Staudinger , D. Z. Haxell , M. A. Mueed , B. Madon , A. Pushp , H. Riel , F. Nichele