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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

Superconducting diodes, characterized by the nonreciprocal supercurrent flow, have gained significant attention for their potential in dissipationless electronics. This study presents a superconducting quantum interference device (SQUID)…

Superconductivity · Physics 2025-02-28 Xingjun Wu , Ji-Yin Wang , Haitian Su , Shili Yan , Dong Pan , Jianhua Zhao , Po Zhang , H. Q. Xu

We have studied a Superconducting Quantum Interference SQUID device made from a single layer thin film of superconducting silicon. The superconducting layer is obtained by heavily doping a silicon wafer with boron atoms using the Gas…

Engineering artificial systems by twisting and stacking van der Waals materials has proven to be an excellent platform for exploring emergent quantum phenomena that can be significantly different from the constituents. Recent advances in…

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…

We propose a phase-controlled heat-flux quantum valve based on the proximity effect driven by a superconducting quantum interference proximity transistor (SQUIPT). Its operation relies on the phase-dependent quasiparticle density of states…

Mesoscale and Nanoscale Physics · Physics 2014-09-01 E. Strambini , F. S. Bergeret , F. Giazotto

We present measurements of an amplifier based on a dc superconducting quantum interference device (SQUID) with submicron Al-AlOx-Al Josephson junctions. The small junction size reduces their self-capacitance and allows for the use of…

Superconductivity · Physics 2015-05-19 M. P. DeFeo , P. Bhupathi , K. Yu , T. W. Heitmann , C. Song , R. McDermott , B. L. T. Plourde

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

The transport properties of a YBa$_2$Cu$_3$O$_{7-\delta}$ superconducting quantum interference device (SQUID) based on grooved Dayem bridge weak links are studied as a function of temperature: at high temperatures…

Superconducting qubits are among the most promising platforms for realizing practical quantum computers. One requirement to create a quantum processor is nonlinearity, which in superconducting circuits is typically achieved by sandwiching a…

Significant progress has been made in the development of superconducting quantum circuits, however new quantum devices that have longer decoherence times at higher temperatures are urgently required for quantum technologies. Superconducting…

Superconductivity · Physics 2020-02-27 M. Lyatti , M. A. Wolff , I. Gundareva , M. Kruth , S. Ferrari , R. E. Dunin-Borkowski , C. Schuck

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

Usually, the superconducting quantum interference device (SQUID) consists of two Josephson junctions and the interference therein is modulated by a magnetic flux. In this work, we propose an electrically modulated SQUID consisting of single…

Superconductivity · Physics 2018-01-31 Yong Xu , Salah Uddin , Jun Wang , Zhongshui Ma , Jun-Feng Liu

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…

We present a method for fabricating Josephson junctions and superconducting quantum interference devices (SQUIDs) which is based on the local anodization of niobium strip lines 3 to 6.5 nm-thick under the voltage-biased tip of an Atomic…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 V. Bouchiat , M. Faucher , C. Thirion , W. Wernsdorfer , T. Fournier , B. Pannetier

We present a new nanoscale superconducting quantum interference device (SQUID) whose interference pattern can be shifted electrically in-situ. The device consists of a nanoscale four-terminal/four-junction SQUID fabricated at the apex of a…

We present transport measurements of unshunted dc superconducting quantum interference devices (SQUIDs) consisting of 30 nm wide aluminum nanobridges of varying length L contacted with two and three dimensional banks. 3D nanobridge SQUIDs…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 R. Vijay , E. M. Levenson-Falk , D. H. Slichter , I. Siddiqi

We report on the development of nearly quantum limited SQUIDs with miniature pickup loop dimensions. The implemented high quality and low capacitance cross-type Nb/AlOx/Nb Josephson junctions offer large $I_CR_N$-products and therefore…

Superconductivity · Physics 2017-05-18 M. Schmelz , V. Zakosarenko , T. Schönau , S. Anders , S. Linzen , R. Stolz , H. -G. Meyer

Superconductors are known to be excellent thermal insulators at low temperature owing to the presence of the energy gap in their density of states (DOS). In this context, the superconducting \textit{proximity effect} allows to tune the…

Mesoscale and Nanoscale Physics · Physics 2023-04-14 Nadia Ligato , Federico Paolucci , Elia Strambini , Francesco Giazotto

We report the fabrication and characterization of superconducting quantum interference devices (SQUIDs) made of Sb-doped Bi2Se3 topological insulator (TI) nanoribbon (NR) contacted with PbIn superconducting electrodes. When an external…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 Nam-Hee Kim , Hong-Seok Kim , Yasen Hou , Dong Yu , Yong-Joo Doh