activity
20242026
most citedIdentification of the superconductivity in bilayer nickelate LaNiO upon 100 GPa

76 citations · 137 across the 16 of their papers we have counts for

collaborators

16 papers

cond-mat.supr-con2026

Unconventional Pressure Evolution of Spin-Density-Wave State in LaNiO

Xiaoxiang Zhou, Shiyu Xie, Liangxin Qiao +13

The discovery of pressure-induced high temperature superconductivity in the bilayer nickelate LaNiO has raised the question of how its spin-density-wave (SDW) sta…

cond-mat.supr-con2026

Regulating oxygen content and superconductivity in LaNiO

Peiyue Ma, Jingyuan Li, Xing Huang +17

The synthesis of high-quality Ruddlesden-Popper (RP) nickelates remains challenging due to variations in oxygen content and the prevalence of intergrown RP phases. Precisely contro…

cond-mat.supr-con2026

Dissecting superconductivity in the Ruddlesden-Popper nickelates: The role of electron correlation and interlayer magnetic exchange

Xiaoyang Chen, Zezhong Li, Mei Xie +9

The discovery of superconductivity in the Ruddlesden-Popper (RP) nickelates has opened a new chapter in the search for high superconducting transition temperatures ()…

cond-mat.supr-con2026

Anisotropic Electronic Correlations in the Spin Density Wave State of LaNiO

Ge He, Jun Shen, Shiyu Xie +21

The bilayer nickelate superconductor LaNiO undergoes a density wave transition near 150 K that has attracted intensive scrutiny, yet its microscopic origin remains elus…

cond-mat.str-el2026★ 1 cited

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer LaNiO

Qi-Yi Wu, De-Yuan Hu, Chen Zhang +14

We report a polarized ultrafast pump-probe study of the normal-state electronic dynamics in bilayer LaNiO and trilayer LaNiO single crystals at ambient p…

cond-mat.supr-con2025

Highly Anisotropic Charge Dynamics and Spectral Weight Redistribution in the Trilayer Nickelate LaNiO

Zhe Liu, Jie Li, Deyuan Hu +10

We study the -plane and -axis charge dynamics of LaNiO using optical spectroscopy. While a pronounced Drude profile, i.e. metallic response, is observed i…

cond-mat.supr-con2025

Identifying the structure of La3Ni2O7 in the pressurized superconducting state

Hengyuan Zhang, Jielong Zhang, Mengwu Huo +6

The crystal structure of La3Ni2O7 in its high-pressure superconducting state has been the subject of intense debate, with conflicting reports proposing orthorhombic (Amam or Fmmm)…

cond-mat.supr-con2025

Superconductivity in monolayer-trilayer phase of LaNiO under high pressure

Chaoxin Huang, Jingyuan Li, Xing Huang +7

The discovery of 80 K superconductivity in pressurized bilayer Ruddlesden-Popper (RP) nickelate LaNiO has established a new high-temperature superconductor family. The…

cond-mat.supr-con2025

Revealing superconducting gap in LaNiO- by Andreev reflection spectroscopy under high pressure

Jianning Guo, Yuzhi Chen, Yulong Wang +5

The recent discovery of compressed superconductivity at 80~K in LaNiO- has brought nickelates into the family of unconventional high-temperature superconductors. How…

cond-mat.supr-con2025★ 10 cited

Evidence for the Meissner effect in the nickelate superconductor La3Ni2O7-delta single crystal using diamond quantum sensors

Lin Liu, Jianning Guo, Deyuan Hu +6

Quantum sensing with nitrogen-vacancy (NV) centers in diamond enables the characterization of magnetic properties in the extreme situation of tiny sample with defects. Recent studi…

cond-mat.str-el2025

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate LaNiO

Qi-Yi Wu, De-Yuan Hu, Chen Zhang +13

Utilizing ultrafast optical pump-probe spectroscopy, we investigate the coexistence and competition of electronic orders in the bilayer nickelate LaNiO. Our results rev…

cond-mat.supr-con2025★ 14 cited

Collapse of density wave and emergence of superconductivity in pressurized-LaNiO evidenced by ultrafast spectroscopy

Shuxiang Xu, Hao Wang, Mengwu Huo +7

Recent discoveries of superconductivity in Ruddlesden-Popper nickelates realize a rare category of superconductors. However, the use of high-pressure diamond anvil cells limits spe…

cond-mat.supr-con2024★ 6 cited

Unveiling the multiband metallic nature of the normal state in nickelate La3Ni2O7

Bowen Chen, Hengyuan Zhang, Jingyuan Li +8

The discovery of unconventional superconductivity around 80 K in perovskite nickelates under high pressure has furnished a new platform to explore high-temperature unconventional s…

cond-mat.supr-con2024★ 1 cited

Revealing nanoscale structural phase separation in LaNiO single crystal via scanning near-field optical microscopy

Xiaoxiang Zhou, Weihong He, Kaipeng Ni +16

The discovery of superconductivity in La3Ni2O7- under high pressure,with an onset critical temperature around 80 K, has sparked significant interest in the superconducting phase…

cond-mat.str-el2024★ 29 cited

Origin of the density wave instability in trilayer nickelate LaNiO revealed by optical and ultrafast spectroscopy

Shuxiang Xu, Cui-Qun Chen, Mengwu Huo +9

In the intricate phase diagram of unconventional superconductors characterized by intertwined electronic orders and superconductivity, a key step in understanding the superconducti…

cond-mat.supr-con2024★ 76 cited

Identification of the superconductivity in bilayer nickelate LaNiO upon 100 GPa

Jingyuan Li, Di Peng, Peiyue Ma +14

Identification of superconductivity in the Ruddlesden-Popper phases of nickelates under high pressure remains challenging. Here, we report a comprehensive study of the crystal stru…