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PreprintarXiv licencearXiv

2D Weak Localization in Trilayer Ruddelsden-Popper Nickelates

  • Hyo-Bin Ahn
  • Xinglong Chen
  • Yu Zhang
  • Hong Zheng
  • Michael R. Norman
  • J. F. Mitchell
  • Daniel Phelan
  • Ulrich Welp
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Abstract

Ruddlesden-Popper (RP) nickelates superconduct when pressure suppresses intertwined charge- and spin-density waves. Here, we employ measurements of quantum corrections to magnetoconductivity as a probe of the dimensionality, phase coherence, and scattering mechanisms of the underlying single crystal trilayer RP nickelate Pr4Ni3O10 and La4Ni3O10. We observe signatures of 2D Weak Localization (WL), implying that the in-plane electron transport is in the quantum diffusive regime, while the out-of-plane transport is incoherent, and the electronic ground state is a quasi-2D disordered Fermi liquid. Application of pressure up to 3 GPa continuously suppresses signatures of WL, potentially signaling a 2D/3D dimensional crossover and an eventual pressure-driven transition into a superconductor.

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Cite

BibTeXRIS
BibTeX
@misc{ahn2026weak,
  title = {{2D Weak Localization in Trilayer Ruddelsden-Popper Nickelates}},
  author = {Hyo-Bin Ahn and Xinglong Chen and Yu Zhang and Hong Zheng and Michael R. Norman and J. F. Mitchell and Daniel Phelan and Ulrich Welp},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.13049},
  eprint = {2609.13049},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.13049},
}
RIS
TY  - UNPB
TI  - 2D Weak Localization in Trilayer Ruddelsden-Popper Nickelates
AU  - Hyo-Bin Ahn
AU  - Xinglong Chen
AU  - Yu Zhang
AU  - Hong Zheng
AU  - Michael R. Norman
AU  - J. F. Mitchell
AU  - Daniel Phelan
AU  - Ulrich Welp
PY  - 2026
DA  - 2026/09/11
PB  - arXiv
DO  - 10.48550/arxiv.2609.13049
UR  - https://arxiv.org/abs/2609.13049
AB  - Ruddlesden-Popper (RP) nickelates superconduct when pressure suppresses intertwined charge- and spin-density waves. Here, we employ measurements of quantum corrections to magnetoconductivity as a probe of the dimensionality, phase coherence, and scattering mechanisms of the underlying single crystal trilayer RP nickelate Pr4Ni3O10 and La4Ni3O10. We observe signatures of 2D Weak Localization (WL), implying that the in-plane electron transport is in the quantum diffusive regime, while the out-of-plane transport is incoherent, and the electronic ground state is a quasi-2D disordered Fermi liquid. Application of pressure up to 3 GPa continuously suppresses signatures of WL, potentially signaling a 2D/3D dimensional crossover and an eventual pressure-driven transition into a superconductor.
ER  -