23 citations · 53 across the 9 of their papers we have counts for
9 papers
Decoupled interband pairing in a bilayer iron-based superconductor evidenced by ultrahigh-resolution ARPES
Shichong Wang, Yuanyuan Yang, Yang Li +11
We present direct experimental evidence of a weakly coupled multiband superconducting state in the bilayer iron-based superconductor ACaFeAsF (A = K, Cs) via ultrah…
Resolving Phonons in Superconductor Bi2Sr2CaCu2O8+δ at Sub-Unit-Cell Resolution
Xiaowen Zhang, Jiade Li, Xiaoyue Gao +9
The role of phonons in cuprates remains controversial, with their complex lattice structure complicating the investigation. Here, we identify phonon modes originating from charge r…
Fluctuated lattice-driven charge density wave far above the condensation temperature in kagome superconductor KVSb
Haoran Liu, Shaofeng Duan, Xiangqi Liu +9
The kagome material AVSb exhibits multiple exotic orders, including an unconventional charge density wave (CDW). Elucidating the underlying mechanism behind the CDW transit…
Identification of metastable lattice distortion free charge density wave at photoinduced interface via TRARPES
Shaofeng Duan, Binshuo Zhang, Zihao Wang +8
The interplay between different degrees of freedom governs the emergence of correlated electronic states in quantum materials, with charge density waves (CDW) often coexisting with…
Optical manipulation of the topological phase in ZrTe5 revealed by time- and angle-resolved photoemission
Chaozhi Huang, Chengyang Xu, Fengfeng Zhu +8
High-resolution time- and angle-resolved photoemission measurements were conducted on the topological insulator ZrTe5. With strong femtosecond photoexcitation, a possible ultrafast…
Ultrafast Switching from the Charge Density Wave Phase to a Metastable Metallic State in 1T-TiSe
Shaofeng Duan, Wei Xia, Chaozhi Huang +7
The ultrafast electronic structures of the charge density wave material 1T-TiSe were investigated by high-resolution time- and angle-resolved photoemission spectroscopy. We fou…
A sample-position-autocorrection system with precision better than 1 \um~in angle-resolved photoemission experiments
Shaofeng Duan, Shichong Wang, Yuanyuan Yang +4
We present the development of a high-precision sample-position-autocorrection system for photoemission experiments. A binocular vision method based on image pattern matching calcul…
Anomalous contribution to the nematic electronic states from the structural transition in FeSe revealed by time- and angle-resolved photoemission spectroscopy
Yuanyuan Yang, Qisi Wang, Shaofeng Duan +8
High-resolution time- and angle-resolved photoemission measurements were made on FeSe superconductors. With ultrafast photoexcitation, two critical excitation fluences that corresp…
Unusual band splitting and superconducting gap evolution with sulfur substitution in FeSe
Yuanyuan Yang, Qisi Wang, Shaofeng Duan +7
High-resolution angle-resolved photoemission measurements were taken on FeSeS (x=0, 0.04, and 0.08) superconductors. With an ultrahigh energy resolution of 0.4 meV, unu…