165 citations · 591 across the 19 of their papers we have counts for
19 papers
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…
Spin-orbit phase behaviors of Na2Co2TeO6 at low temperatures
Wenjie Chen, Xintong Li, Zhenhai Hu +9
We present a comprehensive study of single crystals of Na2Co2TeO6, a putative Kitaev honeycomb magnet, focusing on its low-temperature phase behaviors. A new thermal phase transiti…
Paramagnons and high-temperature superconductivity in mercury-based cuprates
Lichen Wang, Guanhong He, Zichen Yang +8
We present a comparative study of magnetic excitations in the first two Ruddlesden-Popper members of the Hg-family of high-temperature superconducting cuprates, which are chemicall…
Doping-dependent phonon anomaly and charge-order phenomena in the HgBaCuO and HgBaCaCuO
Lichen Wang, Biqiong Yu, Ran Jing +14
Using resonant X-ray diffraction and Raman spectroscopy, we study charge correlations and lattice dynamics in two model cuprates, HgBaCuO and HgBaCaCuO$_{…
Giant pressure-enhancement of multiferroicity in CuBr2
J. S. Zhang, Yiqi Xie, X. Q. Liu +16
Type-II multiferroic materials, in which ferroelectric polarization is induced by inversion non-symmetric magnetic order, promise new and highly efficient multifunctional applicati…
Distinct fingerprints of charge density waves and electronic standing waves in ZrTe
Li Yue, Shangjie Xue, Jiarui Li +9
Experimental signatures of charge density waves (CDW) in high-temperature superconductors have evoked much recent interest, yet an alternative interpretation has been theoretically…
Barkhausen effect in the first order structural phase transition in type-II Weyl semimetal MoTe2
Chuanwu Cao, Xin Liu, Xiao Ren +7
We report the first observation of the non-magnetic Barkhausen effect in van der Waals layered crystals, specifically, between the Td and 1T' phases in type-II Weyl semimetal MoTe2…
Growth and characterization of HgBa2CaCu2O6+d and HgBa2Ca2Cu3O8+d crystals
Lichen Wang, Xiangpeng Luo, Jiarui Li +8
We report the successful synthesis of single-crystalline cuprate superconductors HgBaCaCuO and HgBaCaCuO. These compounds are well-kno…
Preferred magnetic excitations in SrNaFeAs
Jianqing Guo, Li Yue, Kazuki Iida +5
We have used inelastic neutron scattering to determine magnetic excitations in a single-crystal sample of SrNaFeAs. The material's two magnetic phases, which di…
Raman scattering study of tetragonal magnetic phase in SrNaFeAs: structural symmetry and electronic gap
Li Yue, Xiao Ren, Tingting Han +4
We use inelastic light scattering to study SrNaFeAs (), which exhibits a robust tetragonal magnetic phase that restores the four-fold rotation sym…
Prominent role of spin-orbit coupling in FeSe
Mingwei Ma, Philippe Bourges, Yvan Sidis +6
In most existing theories for iron-based superconductors, spin-orbit coupling (SOC) has been assumed insignificant. Even though recent experiments have revealed an influence of SOC…
Raman signatures of inversion symmetry breaking and structural phase transition in type-II Weyl semimetal MoTe2
Kenan Zhang, Changhua Bao, Qiangqiang Gu +7
Transition metal dichalcogenide MoTe is an important candidate for realizing the newly predicted type-IIWeyl fermions, for which the breaking of the inversion symmetry is a pre…
Observation of Unusual Magnetoelastic Effects in a Quasi-1D Spiral Magnet
Chong Wang, Daiwei Yu, Xiaoqiang Liu +10
We present a systematic study of spin and lattice dynamics in the quasi-one-dimensional spiral magnet CuBr2, using Raman scattering in conjunction with infrared and neutron spectro…
Nematic magnetoelastic effect contrasted between Ba(FeCo)As and FeSe
Yuwen Hu, Xiao Ren, Rui Zhang +8
To elucidate the origin of nematic order in Fe-based superconductors, we report a Raman scattering study of lattice dynamics, which quantify the extent of -symmetry breaking,…
Nematic crossover in BaFeAs under uniaxial stress
Xiao Ren, Lian Duan, Yuwen Hu +5
Raman scattering can detect spontaneous point-group symmetry breaking without resorting to single-domain samples. Here we use this technique to study , the par…
Charge density waves and phonon-electron coupling in ZrTe investigated by Raman spectroscopy and first-principles calculations
Yuwen Hu, Feipeng Zheng, Xiao Ren +2
Charge-density-wave (CDW) order has long been interpreted as arising from a Fermi-surface instability in the parent metallic phase. While phonon-electron coupling has been suggeste…
Identification and mechanical control of ferroelastic domain structure in rhombohedral CaMnO
Renliang Yuan, Lian Duan, Xinyu Du +1
We report on observation of ferroelastic domain structure in single crystals of multiferroic CaMnO at room temperature. Two types of ferroelastic domain wall are found,…
Soft vibrational mode associated with incommensurate orbital order in multiferroic CaMnO
Xinyu Du, Renliang Yuan, Lian Duan +3
We report inelastic light scattering measurements of lattice dynamics related to the incommensurate orbital order in . Below the ordering temperature $T_\mat…
Longitudinal spin excitations and magnetic anisotropy in antiferromagnetically ordered BaFe2As2
Chong Wang, Rui Zhang, Fa Wang +4
We report on a spin-polarized inelastic neutron scattering study of spin waves in the antiferromagnetically ordered state of BaFe2As2. Three distinct excitation components are iden…