Magnetic flux imaging in a 3D superconductor integrated circuit.

T Ren, A Glatz, B Jankó, J L Mallek, S K Tolpygo, V K Vlasko-Vlasov

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0 citing papers in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

T RenDepartment of Physics & Astronomy, University of Notre Dame, Notre Dame, IN, 46556, USA.

A GlatzDepartment of Physics, Northern Illinois University, De Kalb, IL, 60115, USA.

B JankóDepartment of Physics & Astronomy, University of Notre Dame, Notre Dame, IN, 46556, USA.

J L MallekLincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA, 02421, USA.

S K TolpygoLincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA, 02421, USA.

V K Vlasko-VlasovDepartment of Physics & Astronomy, University of Notre Dame, Notre Dame, IN, 46556, USA. vlasko-vlasov@anl.gov.

Funding

Army Research Office W911NF-24-1-0145

6 · The paper itself

Abstract

We report on imaging magnetic flux distributions in a multilayered superconductor integrated circuit which emerge during magnetization and after field cooling of the circuit in the DC magnetic field. The obtained complicated field maps expose the flux propagation across the patterned superconducting ground planes sandwiching layers with Josephson junction-based logic cells, fine wire grid around the functional units, and multiple superconducting fill structures located in different inner layers. The observed intricate flux distributions are explained by specific patterns of Meissner screening currents and superconducting critical currents in different mutually interacting parts of the integrated circuit. Our results provide important insights into possible ways of improving the protection of superconductor integrated circuits from magnetic fields and their resilience against flux trapping.

Identifiers

PMID41792172

DOI10.1038/s41598-026-40711-3

PMCPMC13083959

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.