Separating the Density Wave Phase from Zero-Resistance Superconductivity in La4Ni3O10
Abstract
Identifying the key ingredients for superconductivity under pressure in the Ruddlesden-Popper nickelates remains a formidable challenge, due to a complex interplay between structural variations, oxygen content and location, electronically ordered phases, and the need for high pressures to reach the superconducting phase. To disentangle these complex inter-dependencies, here we study a series of clean single crystals of trilayer La4Ni3O10. We discover that enhanced biaxial, compressive pressures induce a zero-resistance state at a 60\% lower pressure compared to previous reports. At the same time, we completely separate the low-pressure density wave phase from superconductivity, effectively ruling out that soft, quantum critical fluctuations of the density wave order parameter act as the pairing glue in this system. Our results establish biaxial, in-plane pressures as a powerful tool for promoting superconductivity in nickelates, unifying the required pressure scales for superconductivity in different Ruddlesden-Popper structures, and providing a connection to the recently discovered thin film samples.
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BibTeX
@misc{puphal2026separating,
title = {{Separating the Density Wave Phase from Zero-Resistance Superconductivity in La$_4$Ni$_3$O$_10$}},
author = {P. Puphal and A. Suthar and B. Wehinger and V. Sundaramurthy and T. Priessnitz and M. Knauft and P. Sosa-Lizama and Y. -M. Wu and M. Hepting and J. Nuss and M. Isobe and P. A. van Aken and Y. E. Suyolcu and B. Keimer and H. Takagi and P. Reiss},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.38959},
eprint = {2610.38959},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.38959},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Separating the Density Wave Phase from Zero-Resistance Superconductivity in La_4Ni_3O_10
AU - P. Puphal
AU - A. Suthar
AU - B. Wehinger
AU - V. Sundaramurthy
AU - T. Priessnitz
AU - M. Knauft
AU - P. Sosa-Lizama
AU - Y. -M. Wu
AU - M. Hepting
AU - J. Nuss
AU - M. Isobe
AU - P. A. van Aken
AU - Y. E. Suyolcu
AU - B. Keimer
AU - H. Takagi
AU - P. Reiss
PY - 2026
DA - 2026/10/28
PB - arXiv
DO - 10.48550/arxiv.2610.38959
UR - https://arxiv.org/abs/2610.38959
AB - Identifying the key ingredients for superconductivity under pressure in the Ruddlesden-Popper nickelates remains a formidable challenge, due to a complex interplay between structural variations, oxygen content and location, electronically ordered phases, and the need for high pressures to reach the superconducting phase. To disentangle these complex inter-dependencies, here we study a series of clean single crystals of trilayer La_4Ni_3O_10. We discover that enhanced biaxial, compressive pressures induce a zero-resistance state at a 60\% lower pressure compared to previous reports. At the same time, we completely separate the low-pressure density wave phase from superconductivity, effectively ruling out that soft, quantum critical fluctuations of the density wave order parameter act as the pairing glue in this system. Our results establish biaxial, in-plane pressures as a powerful tool for promoting superconductivity in nickelates, unifying the required pressure scales for superconductivity in different Ruddlesden-Popper structures, and providing a connection to the recently discovered thin film samples.
ER -