SQUID magnetometer based on Grooved Dayem nanobridges and a flux transformer
Paper in proceedings, 2019

We report noise measurements performed on a SQUID magnetometer implementing Grooved Dayem nanobridge of YBCO as weak-links. The SQUID shows magnetic flux noise as low as 10μΦ 0}/Hz0.5. The magnetometer is realized by coupling the SQUID to a flux transformer with a two-level coupling scheme using a flip-chip approach. This improves the effective area of the SQUID and result in a magnetic field noise of 50fT/Hz0.5atT=77K. © 2019 IEEE.

SQUID

High-Tc

magnetometer

YBCO

grooved Dayem bridge

Author

Edoardo Trabaldo

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Christoph Pfeiffer

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Eric Andersson

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Riccardo Arpaia

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Alexei Kalaboukhov

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Dag Winkler

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Floriana Lombardi

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Thilo Bauch

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

ISEC 2019 - International Superconductive Electronics Conference

8990909

17th IEEE International Superconductive Electronics Conference, ISEC 2019
Riverside, USA,

Subject Categories

Other Physics Topics

Signal Processing

Other Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1109/ISEC46533.2019.8990909

More information

Latest update

3/9/2020 7