Qing Li

activity

20192021

collaborators

7 papers

cond-mat.supr-con2021

Charge-stripe Fluctuations in Nd $_{4}$ Ni $_{3}$ O $_{8}$ as Evidenced by Optical Spectroscopy

Jiahao Hao, Xinwei Fan, Qing Li +6

We present an investigation into the optical properties of Nd $_{4}$ Ni $_{3}$ O $_{8}$ at different temperatures from 300 down to 5~K over a broad frequency range. The optical conducti…

cond-mat.supr-con2020

Unconventional superconductivity induced by suppressing an iron-selenium based Mott insulator CsFe4-xSe4

Jin Si, Guan-Yu Chen, Qing Li +3

There are several FeSe based superconductors, including the bulk FeSe, monolayer FeSe thin film, intercalated KxFe2-ySe2 and Li1-xFexOHFeSe, etc. Their normal states all show metal…

cond-mat.supr-con2020

Physical properties revealed by transport measurements on superconducting Nd $_{0.8}$ Sr $_{0.2}$ NiO $_{2}$ thin films

Ying Xiang, Qing Li, Yueying Li +3

The newly found superconductivity in infinite-layer nickelate superconducting films has attracted much attention, because their crystalline and electronic structures are similar to…

cond-mat.supr-con2020

Two superconducting components with different symmetries in Nd1-xSrxNiO2 films

Qiangqiang Gu, Yueying Li, Siyuan Wan +8

The pairing mechanism in cuprates remains as one of the most challenging issues in the field of condensed matter physics. The unique 3d9 electron orbital of the Cu2+ ionic states i…

cond-mat.mtrl-sci2020

Contrasting physical properties of the trilayer nickelates Nd $_{4}$ Ni $_{3}$ O $_{10}$ and Nd $_{4}$ Ni $_{3}$ O $_{8}$

Qing Li, Chengping He, Xiyu Zhu +3

We report the crystal structures and physical properties of trilayer nickelates Nd $_{4}$ Ni $_{3}$ O $_{10}$ and Nd $_{4}$ Ni $_{3}$ O $_{8}$ . Measurements of magnetization and electrical resistivity…

cond-mat.supr-con2019

Absence of superconductivity in bulk Nd $_{1 - x}$ Sr $_{x}$ NiO $_{2}$

Qing Li, Chengping He, Jin Si +3

Recently superconductivity at 9 - 15 K was discovered in an infinite-layer nickelate (Nd $_{0.8}$ Sr $_{0.2}$ NiO $_{2}$ films), which has received enormous attention. Since the $N i^{1 +}$ …

Charge-stripe Fluctuations in Nd4​Ni3​O8​ as Evidenced by Optical Spectroscopy

Unconventional superconductivity induced by suppressing an iron-selenium based Mott insulator CsFe4-xSe4

Physical properties revealed by transport measurements on superconducting Nd0.8​Sr0.2​NiO2​ thin films

Two superconducting components with different symmetries in Nd1-xSrxNiO2 films

Contrasting physical properties of the trilayer nickelates Nd4​Ni3​O10​ and Nd4​Ni3​O8​

Absence of superconductivity in bulk Nd1−x​Srx​NiO2​

Charge-stripe Fluctuations in Nd $_{4}$ Ni $_{3}$ O $_{8}$ as Evidenced by Optical Spectroscopy

Physical properties revealed by transport measurements on superconducting Nd $_{0.8}$ Sr $_{0.2}$ NiO $_{2}$ thin films

Contrasting physical properties of the trilayer nickelates Nd $_{4}$ Ni $_{3}$ O $_{10}$ and Nd $_{4}$ Ni $_{3}$ O $_{8}$

Absence of superconductivity in bulk Nd $_{1 - x}$ Sr $_{x}$ NiO $_{2}$