Hualei Sun

activity

20242026

collaborators

13 papers

cond-mat.supr-con2026

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-con2026

Regulating oxygen content and superconductivity in La $_{3}$ Ni $_{2}$ O $_{7 + I^´}$

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-con2025

Evolution of the superconductivity in pressurized La3-xSmxNi2O7

Qingyi Zhong, Junfeng Chen, Zhengyang Qiu +7

Motivated by the discovery of superconductivity in bilayer La $_{3}$ Ni $_{2}$ O $_{7}$ at 80 K and the increased superconducting transition temperature, $T_{c}$ , up to 92 K in single cr…

cond-mat.supr-con2025

Interlayer coupling enhanced superconductivity near 100 K in La $_{3 - x}$ Nd $_{x}$ Ni $_{2}$ O $_{7}$

Zhengyang Qiu, Junfeng Chen, Dmitrii V. Semenok +12

Systematically controlling the superconducting transition temperature ( $T_{c}$ ) in the bilayer Ruddlesden-Popper nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ remains a significant challenge. H…

cond-mat.supr-con2025

Superconductivity in monolayer-trilayer phase of La $_{3}$ Ni $_{2}$ O $_{7}$ under high pressure

Chaoxin Huang, Jingyuan Li, Xing Huang +7

The discovery of 80 K superconductivity in pressurized bilayer Ruddlesden-Popper (RP) nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ has established a new high-temperature superconductor family. The…

cond-mat.supr-con2025

Revealing superconducting gap in La $_{3}$ Ni $_{2}$ O $_{7}$ - $I^´$ by Andreev reflection spectroscopy under high pressure

Jianning Guo, Yuzhi Chen, Yulong Wang +5

The recent discovery of compressed superconductivity at 80~K in La $_{3}$ Ni $_{2}$ O $_{7}$ - $I^´$ has brought nickelates into the family of unconventional high-temperature superconductors. Ho…

Identifying the structure of La3Ni2O7 in the pressurized superconducting state

Regulating oxygen content and superconductivity in La3​Ni2​O7+I^´​

Evolution of the superconductivity in pressurized La3-xSmxNi2O7

Interlayer coupling enhanced superconductivity near 100 K in La3−x​Ndx​Ni2​O7​

Superconductivity in monolayer-trilayer phase of La3​Ni2​O7​ under high pressure

Revealing superconducting gap in La3​Ni2​O7​-I^´ by Andreev reflection spectroscopy under high pressure

Regulating oxygen content and superconductivity in La $_{3}$ Ni $_{2}$ O $_{7 + I^´}$

Interlayer coupling enhanced superconductivity near 100 K in La $_{3 - x}$ Nd $_{x}$ Ni $_{2}$ O $_{7}$

Superconductivity in monolayer-trilayer phase of La $_{3}$ Ni $_{2}$ O $_{7}$ under high pressure

Revealing superconducting gap in La $_{3}$ Ni $_{2}$ O $_{7}$ - $I^´$ by Andreev reflection spectroscopy under high pressure