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We propose a scheme to measure both the current-phase relation and differential conductance $dI/dV$ of a superconducting junction, in the normal and the superconducting states. This is done using a dc Superconducting Quantum Interference…

Mesoscale and Nanoscale Physics · Physics 2014-07-21 J. Basset , R. Delagrange , R. Weil , A. Kasumov , H. Bouchiat , R. Deblock

Here we present a multichannel system based on superconducting quantum interference devices (SQUIDs) for magnetoencephalography (MEG) measurements, developed and installed at Istituto di Cibernetica (ICIB) in Naples. This MEG system,…

Medical Physics · Physics 2013-10-18 S Rombetto , C Granata , A Vettoliere , A Trebeschi , R Rossi , M Russo

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

The discovery of two-dimensional superconductivity in LaAlO3/KTaO3 (111) and (110) interfaces has raised significant interest in this system. In this manuscript we report the first successful fabrication of a superconducting quantum…

Superconducting QUantum-Interference Devices (SQUIDs) make magnetic resonance imaging (MRI) possible in ultra-low microtesla-range magnetic fields. In this work, we investigate the design parameters affecting the signal and noise…

Instrumentation and Detectors · Physics 2020-01-16 Koos C. J. Zevenhoven , Antti J. Mäkinen , Risto J. Ilmoniemi

We report on the fabrication and electrical transport properties of superconducting quantum interference devices (SQUIDs) made from a (Bi_{1-x}Sb_x)_2Se_3 topological insulator (TI) nanoribbon (NR) connected with Pb0.5In0.5 superconducting…

Superconductivity · Physics 2018-01-25 Nam-Hee Kim , Hong-Seok Kim , Yiming Yang , Xingyue Peng , Dong Yu , Yong-Joo Doh

Scanning nanoscale superconducting quantum interference devices (SQUIDs) are gaining interest as highly sensitive microscopic magnetic and thermal characterization tools of quantum and topological states of matter and devices. Here we…

Mesoscale and Nanoscale Physics · Physics 2019-11-07 Kousik Bagani , Jayanta Sarkar , Aviram Uri , Michael L. Rappaport , Martin E. Huber , Eli Zeldov , Yuri Myasoedov

We show that a 2N junction SQUID (Superconducting QUantum Interference Device) made of 2N overdamped, shunted, identical junctions may be described as a system having only 6 degrees of freedom for any N > 2. This is achieved by means of the…

supr-con · Physics 2009-10-28 C. Nappi , G. Filatrella , S. Pagano

We report on a scanned superconducting quantum interference device (SQUID) microscope operating in a cryogen-free cryostat, with the capability of up to forty RF connections with 20 GHz bandwidth to a device under test. The system utilizes…

Superconductivity · Physics 2025-09-10 Ian W. Haygood , Bochao Xu , John Biesecker , Michael L. Schneider

Scanning superconducting quantum interference device microscopy (SSM) is a scanning probe technique that images local magnetic flux, which allows for mapping of magnetic fields with high field and spatial accuracy. Many studies involving…

Instrumentation and Detectors · Physics 2018-01-17 P. Reith , X. Renshaw Wang , H. Hilgenkamp

Using a point (superconductor-constriction-superconductor, ScS) contact in a single-Josephson-junction superconducting quantum interference device (RF SQUID) provides stochastic resonance conditions at any arbitrary small value of loop…

Superconductivity · Physics 2014-02-06 O. G. Turutanov , V. A. Golovanevskiy , V. Yu. Lyakhno , V. I. Shnyrkov

The phenomena of intermittent and complete synchronization between two out of three identical, magnetically coupled SQUIDs (Superconducting QUantum Interference Devices) are investigated numerically. SQUIDs are highly nonlinear…

Pattern Formation and Solitons · Physics 2021-09-15 J. Shena , N. Lazarides , J. Hizanidis

We report the fabrication of a directly coupled superconducting quantum interference device (SQUID) magnetometer in MgB2 using a focused ion beam (FIB) to create Josephson junctions in a 70 nm thick film of MgB2. The SQUID shows a voltage…

Superconductivity · Physics 2009-11-07 G. Burnell , D. -J. Kang , D. A. Ansell , H. -N. Lee , S. -H. Moon , E. J. Tarte , M. G. Blamire

We introduce a three-junction SQUID that can be effectively used as an optimal tunable element in Josephson quantum computing applications. This device can replace the simple dc SQUID generally used as tunable element in this kind of…

Nanoscale superconducting quantum interference devices (SQUIDs) are fabricated in-situ from a single Bi$_{0.26}$Sb$_{1.74}$Te$_{3}$ nanoribbon that is defined using selective-area growth and contacted with superconducting Nb electrodes via…

Superconducting metamaterials comprising rf SQUIDs (Superconducting QUantum Interference Devices) have been recently realized and investigated with respect to their tuneability, permeability and dynamic multistability properties. These…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 G. P. Tsironis , N. Lazarides , I. Margaris

A particular superconducting quantum interference device (SQUID)qubit, indicated as double SQUID qubit, can be manipulated by rapidly modifying its potential with the application of fast flux pulses. In this system we observe coherent…

Superconductivity · Physics 2012-05-08 F. Chiarello , E. Paladino , M. G. Castellano , C. Cosmelli , A. D'Arrigo , G. Torrioli , G. Falci

An ongoing process of miniaturization of spintronics and magnetic-films-based devices, as well as a growing necessity for basic material research place stringent requirements for sensitive and accurate magnetometric measurements of minute…

Materials Science · Physics 2019-07-08 Katarzyna Gas , Maciej Sawicki

The effect of thermal fluctuations on the behaviuor of a 4-terminal SQUID is investigated. The studied system consists of the Josephson 4-terminal junction with two terminals short-circuited by a superconducting ring and other two form the…

Superconductivity · Physics 2015-06-25 R. de Bruyn Ouboter , A. N. Omelyanchouk

We have prepared meta-atoms based on radio frequency superconducting quantum interference devices (RF SQUIDs) and examined their tunability with dc magnetic field, rf current, and temperature. RF SQUIDs are superconducting split ring…

Superconductivity · Physics 2013-12-24 M. Trepanier , Daimeng Zhang , Oleg Mukhanov , Steven M. Anlage
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