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PreprintCC BY 4.0arXiv

Structural Changes and Transport Properties of YBa2Cu3O7 Locally Modified by a He+ Focused Ion Beam

  • Ross Carter
  • Robin Hutt
  • Paul Zimmermann
  • Ainur Abukaev
  • Jan Ullmann
  • Simon Koch
  • Christoph Schmid
  • Manfred Burghammer
  • Reinhold Kleiner
  • Dieter Koelle
  • Edward Goldobin
  • Ivan A. Zaluzhnyy
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Abstract

Irradiation of a material with ions can cause various defects that can lead to structural phase transitions and the modification of the material's properties. Here we study the irradiation of the epitaxyally grown thin films of the high-temperature superconductor YBa2Cu3O7 with 30 keV He+ ions which leads to the expansion of the crystal lattice, decrease of the critical temperature Tc and eventually transition to an insulator. Fabrication of such insulating regions with a focused He-Ion beam with a spot size of ∼ 10 nm is a powerful technique for fabrication of superconducting nano-devices. Using low-temperature resistivity measurements, diffraction with a nanofocused X-ray beam and atomic force microscopy, we investigated how the structure and the electric transport properties of YBa2Cu3O7 depend on the irradiation dose in a range $10−−100\,\mathrm{ions/nm^2}$ and on the lateral size of the irradiated area in a range $30−−5000\,\mathrm{nm}$.

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Cite

BibTeXRIS
BibTeX
@misc{carter2026structural,
  title = {{Structural Changes and Transport Properties of $\mathrmYBa_2Cu_3O_7$ Locally Modified by a He$^+$ Focused Ion Beam}},
  author = {Ross Carter and Robin Hutt and Paul Zimmermann and Ainur Abukaev and Jan Ullmann and Simon Koch and Christoph Schmid and Manfred Burghammer and Reinhold Kleiner and Dieter Koelle and Edward Goldobin and Ivan A. Zaluzhnyy},
  howpublished = {arXiv},
  year = {2026},
  month = jun,
  doi = {10.48550/arxiv.2606.12145},
  eprint = {2606.12145},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.12145},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Structural Changes and Transport Properties of YBa_2Cu_3O_7 Locally Modified by a He^+ Focused Ion Beam
AU  - Ross Carter
AU  - Robin Hutt
AU  - Paul Zimmermann
AU  - Ainur Abukaev
AU  - Jan Ullmann
AU  - Simon Koch
AU  - Christoph Schmid
AU  - Manfred Burghammer
AU  - Reinhold Kleiner
AU  - Dieter Koelle
AU  - Edward Goldobin
AU  - Ivan A. Zaluzhnyy
PY  - 2026
DA  - 2026/06/10
PB  - arXiv
DO  - 10.48550/arxiv.2606.12145
UR  - https://arxiv.org/abs/2606.12145
AB  - Irradiation of a material with ions can cause various defects that can lead to structural phase transitions and the modification of the material's properties. Here we study the irradiation of the epitaxyally grown thin films of the high-temperature superconductor YBa_2Cu_3O_7 with 30 keV He^+ ions which leads to the expansion of the crystal lattice, decrease of the critical temperature T_c and eventually transition to an insulator. Fabrication of such insulating regions with a focused He-Ion beam with a spot size of ∼ 10 nm is a powerful technique for fabrication of superconducting nano-devices. Using low-temperature resistivity measurements, diffraction with a nanofocused X-ray beam and atomic force microscopy, we investigated how the structure and the electric transport properties of YBa_2Cu_3O_7 depend on the irradiation dose in a range $10−−100\,\mathrm{ions/nm^2}$ and on the lateral size of the irradiated area in a range $30−−5000\,\mathrm{nm}$.
ER  -