130 citations · 1.4k across the 53 of their papers we have counts for
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Highly anisotropic transient optical response of charge density wave order in ZrTe
Li Yue, Amrit Raj Pokharel, Jure Demsar +4
Low dimensionality in CDW systems leads to anisotropic optical properties, in both equilibrium and non-equilibrium conditions. Here we perform polarized two-color pump probe measur…
Optical spectroscopy and band structure calculations of structural phase transition in the Vanadium-based kagome metal ScVSn
Tianchen Hu, Hanqi Pi, Shuxiang Xu +11
In condensed matter physics, materials with kagome lattice display a range of exotic quantum states, including charge density wave (CDW), superconductivity and magnetism. Recently,…
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…
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…
Photoinduced multistage phase transitions in Ta2NiSe5
Q. M. Liu, D. Wu, Z. A. Li +9
Utrafast control of material physical properties represents a rapid developing field in condensed matter physics. Yet, accessing to the long-lived photoinduced electronic states is…
Optical spectroscopy and ultrafast pump-probe study on BiRhSe: evidence for charge-density-wave order formation
T. Lin, L. Y. Shi, Z. X. Wang +6
The parkerite-type ternary chalcogenide BiRhSe was discovered to be a charge density wave (CDW) superconductor. However, there was a debate on whether the observed phas…
Photoinduced hidden CDW state and relaxation dynamics of 1T-TaS_2 probed by time-resolved terahertz spectroscopy
Z. X. Wang, Q. M. Liu, L. Y. Shi +5
The dynamical properties of single crystal 1T-TaS are investigated both in commensurate charge density wave state (CCDW state) and hidden charge density wave state (HCDW stat…
Field induced magnon excitation and in gap absorption of Kitaev candidate RuCl3
L. Y. Shi, Y. Q. Liu, T. Lin +6
We use time-domain terahertz spectroscopy to measure the low energy conductivity and magnons in RuCl under external magnetic field. At zero field, an oscillation with a frequen…
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…
Dramatic change of photoexcited quasiparticle relaxation dynamics across Yb valence state transition in YbInCu
M. Y. Zhang, R. Y. Chen, T. Dong +1
YbInCu undergoes a first order structural phase transition near =40 K associated with an abrupt change of Yb valence state. We perform ultrafast pump-probe measurement on…
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…
Optical study of phase transitions in single-crystalline RuP
R. Y. Chen, Y. G. Shi, P. Zheng +3
RuP single crystals of MnP-type orthorhombic structure were synthesized by the Sn flux method. Temperature-dependent x-ray diffraction measurements reveal that the compound experie…
Coexistence and competition of multiple charge-density-wave orders in rare-earth tri-telluride RTe3
B. F. Hu, B. Cheng, R. H. Yuan +2
The occurrences of collective quantum states, such as superconductivity (SC) and charge- or spin-densitywaves (CDWs or SDWs), are among the most fascinating phenomena in solids. To…
Revealing a new charge density wave order in TbTe by optical conductivity and ultrafast pump-probe experiments
R. Y. Chen, B. F. Hu, T. Dong +1
Rare-earth tri-tellurium RTe is a typical quasi-two dimensional system which exhibits obvious charge density wave (CDW) orders. So far, RTe with heavier R ions (Dy, Ho, Er…
Effect of disorder in the charge-density-wave compounds LaTe and CeTeSe (x=0 and 0.16) as revealed by optical spectroscopy
Y. Huang, B. F. Hu, T. Dong +3
We present optical spectroscopy measurements on rare-earth ditelluride single crystals of LaTe and CeTeSe (x=0 and 0.16). The measurements reveal formation…
Continuous magnetic phase transition in half-frustrated Ca2Os2O7
P. Zheng, Y. G. Shi, Q. S. Wu +8
We present the specific heat, magnetization, optical spectroscopy measurements and the firstprinciple calculations on the Weberite structure Ca2Os2O7 single crystal/polycrystalline…
Two successive field-induced spin-flop transitions in single-crystalline CaCoAs
B. Cheng, B. F. Hu, R. H. Yuan +8
CaCoAs, a ThCrSi-structure compound, undergoes an antiferromagnetic transition at \emph{T}=76K with the magnetic moments being aligned parallel to the…
Optical study of the multiple charge density wave transitions in ErTe
B. F. Hu, B. Cheng, R. H. Yuan +7
We present an optical spectroscopy study on singe crystalline ErTe, a rare-earth-element tri-telluride which experiences two successive charge density wave (CDW) transitions at…
Optical spectroscopy study on CeTe: evidence for multiple charge-density-wave orders
B. F. Hu, P. Zheng, R. H. Yuan +4
We performed optical spectroscopy measurement on single crystal of CeTe, a rare-earth element tri-telluride charge density wave (CDW) compound. The optical spectra are found to…