Quick Navigation

Overview Topics Abstract Importance Paper Tools References Reactions Discussion Publication Related

Topics

Photonic Quantum Computing Superconducting Qubits Spin Qubits Silicon Quantum Computing

YBa2Cu3O7 nano-constriction Josephson junctions and SQUIDs fabricated by focused helium-ion-beam irradiation

arXiv
Authors: Christoph Schmid, Christopher Buckreus, David Haas, Max Pröpper, Robin Hutt, César Magén, Dominik Hanisch, Max Karrer, Meinhard Schilling, Dieter Koelle, Reinhold Kleiner, Edward Goldobin

Year

2025

Paper ID

16735

Status

Preprint

Abstract Read

~2 min

Abstract Words

97

Citations

N/A

Abstract

By focused 30 keV He ion beam irradiation, epitaxially grown YBa2Cu3O7 (YBCO) thin films can be driven from the superconducting to the insulating state with increasing irradiation dose. A properly chosen dose suppresses superconductivity down to 4 K, while crystallinity is still preserved. With this approach we create areas of normal-conducting YBCO that can be used to define resistively shunted constriction-type Josephson junctions (cJJs) on the nanometer scale. We also demonstrate that the fabricated cJJs can be incorporated in direct current superconducting quantum interference devices and can be used as detector junctions in THz antennas.

Why This Paper Matters

  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
  • It adds a 2025 reference point for readers tracking recent quantum research.
  • By focused 30 keV He ion beam irradiation, epitaxially grown YBa2Cu3O7 (YBCO) thin films can be driven from the superconducting to the insulating state with increasing...

Paper Tools

Become a member to use research tools

Sign in to open papers, visit source links, share, cite, compare, copy DOI links, request category corrections, and build your reading list.

Become a member Sign in
Show Paper arXiv Publisher Share Cite This Paper Copy URL Compare Copy DOI Add to Reading List Category Correction Request

References & Citation Signals

[1] DOI https://doi.org/arXiv:2511.19197 [2] arXiv https://arxiv.org/abs/2511.19197 [3] Publisher https://arxiv.org/abs/2511.19197

Local Citation Graph (Related-Paper Links)

Current Paper #16735 #78837 TLS loss in superconducting res... #78829 Graphene double quantum dot as ... #78817 Modelling Josephson Junctions w... #78809 A quasiparticle-protected super...

External citation index: OpenAlex citation signal

Community Reactions

Quick sentiment from readers on this paper.

Score: 0
Likes: 0 Dislikes: 0

Sign in to react to this paper.

Discussion & Reviews (Moderated)

Average Rating: 0.0 / 5 (0 ratings)

No written reviews yet.