218 citations · 1.3k across the 42 of their papers we have counts for
42 papers
Sublattice-resolved coherent phonon dynamics in charge density waves
Kyoung Hun Oh, Honglie Ning, Zongqi Shen +15
Phonons govern fundamental material properties and play a central role in various electronic phase transitions. Coherent driving of specific phonon modes enables on-demand phase co…
Bidirectional ultrafast control of charge density waves via phase competition
Honglie Ning, Kyoung Hun Oh, Yifan Su +17
The intricate competition between coexisting charge density waves (CDWs) can lead to rich phenomena, offering unique opportunities for phase manipulation through electromagnetic st…
Dynamics of a jointly commensurate moiré charge density wave
Kyoung Hun Oh, Yifan Su, Honglie Ning +23
The advent of two-dimensional moiré systems has revolutionized the exploration of phenomena arising from strong correlations and nontrivial band topology. Recently, a moiré superst…
Large moiré superstructure of stacked incommensurate charge density waves
B. Q. Lv, Yifan Su, Alfred Zong +10
Recent advances in van der Waals heterostructures have opened the new frontier of moiré physics, whereby tuning the interlayer twist angle or adjusting lattice parameter mismatch h…
Robust spin order and fragile charge order in Na0.5CoO2 as revealed by time-resolved terahertz spectroscopy
X. Y. Zhou, S. J. Zhang, D. Wu +12
Near-infrared (NIR) pump-terahertz (THz) probe spectroscopy is used to investigate the charge and spin exciations in a strongly correlated electron compound Na0.5CoO2. This compoun…
Coexistence of interacting charge density waves in a layered semiconductor
B. Q. Lv, Alfred Zong, Dong Wu +14
Coexisting orders are key features of strongly correlated materials and underlie many intriguing phenomena from unconventional superconductivity to topological orders. Here, we rep…
Direct measurement of photoinduced transient conducting state in multilayer 2H-MoTe2
XinYu Zhou, H Wang, Q M Liu +11
Ultrafast light-matter interaction has emerged as a powerful tool to control and probe the macroscopic properties of functional materials, especially two-dimensional transition met…
Linear-in-Frequency Optical Conductivity over a broad range in the three-dimensional Dirac semimetal candidate IrInSe
S. X. Xu, H. Q. Pi, R. S. Li +5
The optical conductivity of the new Dirac semimetal candidate IrInSe is measured in a frequency range from 40 to 30000 cm at temperatures from 300 K down to 10 K. Th…
Flat optical conductivity in the topological kagome magnet TbMnSn
R. S. Li, Tan Zhang, Wenlong Ma +13
Kagome magnet TbMnSn is a new type of topological material that is known to support exotic quantum magnetic states. Experimental work has identified that TbMnSn hos…
Optical spectroscopy and ultrafast pump-probe study of structural phase transition in 1T'-TaTe2
T. C. Hu, Q. Wu, Z. X. Wang +10
1T'-TaTe2 exhibits an intriguing first-order structural phase transition at around 170 K. Understanding the electronic structural properties is a crucial way to comprehend the orig…
Revealing the immediate formation of two-fold rotation symmetry in charge-density-wave state of Kagome superconductor CsVSb by optical polarization rotation measurement
Qiong Wu, Z. X. Wang, Q. M. Liu +8
We report the observation of two-fold rotation symmetry in charge density wave (CDW) state in the newly discovered Kagome superconductor CsVSb. Below its CDW transition tem…
Optical spectroscopy and ultrafast pump-probe study of a quasi-one-dimensional charge density wave in CuTe
R. S. Li, L. Yue, Q. Wu +10
CuTe is a two-dimensional (2D) layered material, yet forming a quasi-one-dimensional (quasi-1D) charge-density-wave (CDW) along the a-axis in the ab-plane at high transition temper…
Identifying and tracking magnetically induced polarization in FeMoO by static and time-resolved second harmonic generation
L. Y. Shi, D. Wu, T. Lin +6
Multiferroic materials offer a promising platform for ultrafast optical control of coupled magnetic and polar orders. However, a prerequisite for such control is to precisely ident…
Magnetic excitations of the field induced states in BaCo2(AsO4)2 probed by time-domain terahertz spectroscopy
L. Y. Shi, X. M. Wang, R. D. Zhong +7
Searching for Kitaev quantum spin liquid (QSL) is a fascinating and challenging problem. Much effort has been devoted to honeycomb lattice candidates with strong spin-orbit couplin…
Unconventional hysteretic transition in a charge density wave
B. Q. Lv, Alfred Zong, D. Wu +25
Hysteresis underlies a large number of phase transitions in solids, giving rise to exotic metastable states that are otherwise inaccessible. Here, we report an unconventional hyste…
Layered semiconductor EuTe 4 with charge density wave order in square tellurium sheets
D. Wu, Q. M. Liu, S. L. Chen +8
We report a novel quasi-two dimensional compound of EuTe4 hosting charge density waves (CDW) instability. The compound has a crystallographic structure in a orthorhombic space grou…
Light induced sub-picosecond topological phase transition in MoTe2
M. Y. Zhang, Z. X. Wang, Y. N. Li +10
Recent development of ultrashort laser pulses allows for optical control of structural and electronic properties of complex quantum materials. The layered transition metal dichalco…
Low-carrier density and fragile magnetism in a Kondo lattice system
Binod K. Rai, Iain W. H. Oswald, Wenjing Ban +17
Kondo-based semimetals and semiconductors are of extensive current interest as a viable platform for strongly correlated states. It is thus important to understand the routes towar…
Light-induced new collective modes in LaBaCuO superconductor
S. J. Zhang, Z. X. Wang, L. Y. Shi +5
We report near and mid-infrared pump c-axis terahertz probe measurement on a superconducting single crystal LaBaCuO with T=32 K. The measurement reveals…
Revealing a Triangular Lattice Ising Antiferromagnet in a Single-Crystal CeCdAs
Y. Q. Liu, S. J. Zhang, J. L. Lv +4
We report the single-crystal growth and the fundamental magnetic and thermodynamic properties of a rare-earth triangular lattice antiferromagnet CeCdAs. In this rare-earth…
Single crystal growth and physical property characterizations of mixed valent compound YbFeAl
J. L. Lv, R. Y. Chen, H. P. Wang +2
We report single crystal growth and physical properties characterization of YbFeAl compounds. The measurements of resistivity, magnetic susceptibility, and specific heat…
Revealing extremely low energy amplitude modes in the charge-density-wave compound LaAgSb
R. Y. Chen, S. J. Zhang, M. Y. Zhang +2
The layered lanthanum silver antimonide LaAgSb was known to experience two charge density (CDW) phase transitions, which were proposed recently to be closely related to the new…
Angle-resolved spectroscopy study of Ni-based superconductor SrNiAs
L. -K. Zeng, P. Richard, A. van Roekeghem +7
We performed an angle-resolved photoemission spectroscopy study of the Ni-based superconductor SrNiAs. Electron and hole Fermi surface pockets are observed, but their diffe…
Magneto-infrared spectroscopy of Landau levels and Zeeman splitting of three-dimensional massless Dirac Fermions in ZrTe
R. Y. Chen, Z. G. Chen, X. -Y. Song +4
We present a magneto-infrared spectroscopy study on a newly identified three-dimensional (3D) Dirac semimetal ZrTe. We observe clear transitions between Landau levels and their…