Jian-Qiao Meng

activity

20182026

most citedThree-Dimensional Fermi-Surface and Electron-Phonon Coupling in Semimetallic 1T-TiTe2 studied by Angle-Resolved Photoemission Spectroscopy

18 citations · 64 across the 15 of their papers we have counts for

collaborators

15 papers

cond-mat.str-el2026

Cleavage-History-Dependent Low-Temperature ARPES Spectra of Charge-Ordered EuAl $_{4}$

Hao Liu, Bo Chen, Chen Zhang +9

Charge ordering in EuAl $_{4}$ has been widely discussed in connection with band reconstruction, magnetism, and topological electronic states, yet the microscopic origin of the comple…

cond-mat.str-el2026

Research on topological materials using ultrafast spectroscopy

Hao Liu, Jian-Qiao Meng

Topological materials, characterized by symmetry-protected nontrivial band structures such as Dirac cones and Weyl nodes, host diverse quantum phenomena, with potential application…

cond-mat.str-el2026

Ultrafast Fluence-Reversal Fingerprint of Fragile Kondo Hybridization in CePt $_{2}$ In $_{7}$

Xin-Yi Tian, Qi-Yi Wu, Chen Zhang +13

The emergence of heavy quasiparticles in a Kondo lattice is usually viewed as the formation of a low-energy hybridization gap. Whether this gap represents a rigid electronic struct…

cond-mat.str-el2026★ 1 cited

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer La $_{3}$ Ni $_{2}$ O $_{7}$

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 La $_{3}$ Ni $_{2}$ O $_{7}$ and trilayer La $_{4}$ Ni $_{3}$ O $_{10}$ single crystals at ambient p…

cond-mat.str-el2025

Nonthermal melting and density wave instability coupled to the lattice in La $_{4}$ Ni $_{3}$ O $_{10}$

Chen Zhang, Lixing Chen, Qi-Yi Wu +15

The recent discovery of high-temperature superconductivity in pressurized nickelates has renewed interest in the broken-symmetry states of their ambient-pressure parent phases, whe…

cond-mat.str-el2025★ 4 cited

Ultrafast Stiffening of the Lattice Potential and Metastable State Formation in 1 $T$ -TiSe $_{2}$

Xue-Qing Ye, Hao Liu, Qi-Yi Wu +8

We use ultrafast optical spectroscopy to investigate the electronic and lattice dynamics of the charge-density wave (CDW) material 1 $T$ -TiSe $_{2}$ across various temperatures and pum…

cond-mat.str-el2025

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate La $_{3}$ Ni $_{2}$ O $_{7}$

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 La $_{3}$ Ni $_{2}$ O $_{7}$ . Our results rev…

cond-mat.str-el2025

Unraveling Magneto-Phononic Coupling and Photoinduced Magnetic Control in Antiferromagnetic Kondo Semimetal CeBi

Xu-Chen Nie, Chen Zhang, Qi-Yi Wu +9

We report an ultrafast optical spectroscopy study on the coherent phonon dynamics in the topological semimetal CeBi and its nonmagnetic isostructural compound LaBi, revealing profo…

cond-mat.str-el2025

Ultrafast charge-transfer dynamics in Ca $_{2}$ CuO $_{2}$ Cl $_{2}$ from time-resolved optical reflectivity

Haiyun Huang, Xiu Zhang, Junzhi Zhu +7

We employ time-resolved optical reflectivity to investigate the ultrafast dynamics of the charge-transfer gap (CTG) in a parent cuprate compound Ca $_{2}$ CuO $_{2}$ Cl $_{2}$ (CCOC). We obse…

cond-mat.str-el2025

Anisotropic Hybridization Dynamics in the Quasi-One-Dimensional Kondo Lattice CeCo $_{2}$ Ga $_{8}$ Revealed by Ultrafast Optical Spectroscopy

Ba-Lei Tan, Chen Zhang, Qi-Yi Wu +10

We investigate the ultrafast dynamics of the quasi-one-dimensional Kondo lattice CeCo $_{2}$ Ga $_{8}$ using optical pump-probe spectroscopy. Time-resolved pump-probe reflectivity measure…

cond-mat.supr-con2024★ 3 cited

Interplay of electron-phonon coupling, pseudogap, and superconductivity in CsCa $_{2}$ Fe $_{4}$ As $_{4}$ F $_{2}$ studied using ultrafast optical spectroscopy

Qi-Yi Wu, Chen Zhang, Bai-Zhuo Li +9

The quasiparticle relaxation dynamics of the iron-based superconductor CsCa $_{2}$ Fe $_{4}$ As $_{4}$ F $_{2}$ ( $T_{c}$ $\sim$ 29 K) were investigated using ultrafast optical spectroscopy. A pseud…

cond-mat.supr-con2024★ 15 cited

Exploring Fermi Surface Nesting and the Nature of Heavy Quasiparticles in the Spin-Triplet Superconductor Candidate CeRh $_{2}$ As $_{2}$

Bo Chen, Hao Liu, Qi-Yi Wu +15

In this study, we investigate the electronic structure of a spin-triplet superconductor candidate CeRh $_{2}$ As $_{2}$ using high-resolution angle-resolved photoemission spectroscopy and…

cond-mat.str-el2024★ 5 cited

Exploring Intrinsic Magnetic Topological Insulators: The Case of EuIn $_{2}$ As $_{2}$

Hao Liu, Qi-Yi Wu, Chen Zhang +10

In this study, ultrafast optical spectroscopy was employed to elucidate the intricate topological features of EuIn $_{2}$ As $_{2}$ , a promising candidate for a magnetic topological-cryst…

cond-mat.str-el2023

Experimental observation of the significant difference between surface and bulk Kondo processes in Kondo lattice YbCu $_{2}$ Si $_{2}$

in-Zou Zhao, Jiao-Jiao Song, Qi-Yi Wu +11

Synchrotron-based angle-resolved photoemission spectroscopy was employed to investigate the temperature evolution of the Yb 4f spectral for surface and bulk in the Kondo lattice Yb…

cond-mat.str-el2018★ 18 cited

Three-Dimensional Fermi-Surface and Electron-Phonon Coupling in Semimetallic 1T-TiTe2 studied by Angle-Resolved Photoemission Spectroscopy

Xiao-Fang Tang, Yu-Xia Duan, Fan-Ying Wu +10

We present an investigation on electronic structure of 1T-TiTe2 material via high-resolution angle-resolved photoemission spectroscopy (ARPES), utilizing tunable photon energy exci…

Cleavage-History-Dependent Low-Temperature ARPES Spectra of Charge-Ordered EuAl4​

Research on topological materials using ultrafast spectroscopy

Ultrafast Fluence-Reversal Fingerprint of Fragile Kondo Hybridization in CePt2​In7​

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer La3​Ni2​O7​

Nonthermal melting and density wave instability coupled to the lattice in La4​Ni3​O10​

Ultrafast Stiffening of the Lattice Potential and Metastable State Formation in 1T-TiSe2​

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate La3​Ni2​O7​

Unraveling Magneto-Phononic Coupling and Photoinduced Magnetic Control in Antiferromagnetic Kondo Semimetal CeBi

Ultrafast charge-transfer dynamics in Ca2​CuO2​Cl2​ from time-resolved optical reflectivity

Anisotropic Hybridization Dynamics in the Quasi-One-Dimensional Kondo Lattice CeCo2​Ga8​ Revealed by Ultrafast Optical Spectroscopy

Interplay of electron-phonon coupling, pseudogap, and superconductivity in CsCa2​Fe4​As4​F2​ studied using ultrafast optical spectroscopy

Exploring Fermi Surface Nesting and the Nature of Heavy Quasiparticles in the Spin-Triplet Superconductor Candidate CeRh2​As2​

Exploring Intrinsic Magnetic Topological Insulators: The Case of EuIn2​As2​

Experimental observation of the significant difference between surface and bulk Kondo processes in Kondo lattice YbCu2​Si2​

Three-Dimensional Fermi-Surface and Electron-Phonon Coupling in Semimetallic 1T-TiTe2 studied by Angle-Resolved Photoemission Spectroscopy

Cleavage-History-Dependent Low-Temperature ARPES Spectra of Charge-Ordered EuAl $_{4}$

Ultrafast Fluence-Reversal Fingerprint of Fragile Kondo Hybridization in CePt $_{2}$ In $_{7}$

Electronic Nematicity Revealed by Polarized Ultrafast Spectroscopy in Bilayer La $_{3}$ Ni $_{2}$ O $_{7}$

Nonthermal melting and density wave instability coupled to the lattice in La $_{4}$ Ni $_{3}$ O $_{10}$

Ultrafast Stiffening of the Lattice Potential and Metastable State Formation in 1 $T$ -TiSe $_{2}$

Ultrafast Optical Evidence of Coexisting Density Waves in Bilayer Nickelate La $_{3}$ Ni $_{2}$ O $_{7}$

Ultrafast charge-transfer dynamics in Ca $_{2}$ CuO $_{2}$ Cl $_{2}$ from time-resolved optical reflectivity

Anisotropic Hybridization Dynamics in the Quasi-One-Dimensional Kondo Lattice CeCo $_{2}$ Ga $_{8}$ Revealed by Ultrafast Optical Spectroscopy

Interplay of electron-phonon coupling, pseudogap, and superconductivity in CsCa $_{2}$ Fe $_{4}$ As $_{4}$ F $_{2}$ studied using ultrafast optical spectroscopy

Exploring Fermi Surface Nesting and the Nature of Heavy Quasiparticles in the Spin-Triplet Superconductor Candidate CeRh $_{2}$ As $_{2}$

Exploring Intrinsic Magnetic Topological Insulators: The Case of EuIn $_{2}$ As $_{2}$

Experimental observation of the significant difference between surface and bulk Kondo processes in Kondo lattice YbCu $_{2}$ Si $_{2}$