48 citations · 171 across the 9 of their papers we have counts for
9 papers
Dimensionality-Dependent Exciton Dispersion in a Single-Band Mott Insulator
Zhibin Su, Junjian Mi, Shaohua Yan +9
Excitonic band structure is critical for investigating exciton dynamics. Theoretically, quantum effects from exchange scattering between electron-hole pairs significantly modulate…
Tuning the Magnetism in Ultrathin CrxTey Films by Lattice Dimensionality
Guangyao Miao, Minghui Gu, Nuoyu Su +7
Two-dimensional (2D) magnetic transition metal compounds with atomic thickness exhibit intriguing physics in fundamental research and great potential for device applications. Under…
Observation of the Breakdown of Optical Phonon Splitting in a Two-dimensional Polar Monolayer
Jiade Li, Li Wang, Zhiyu Tao +6
Phonon splitting of the longitudinal optical and transverse optical modes (LO-TO splitting), a ubiquitous phenomenon in three-dimensional (3D) polar materials, is essential for the…
Geometric Effect of High-Resolution Electron Energy Loss Spectroscopy on the Identification of Plasmons: An Example of Graphene
Jiade Li, Zijian Lin, Guangyao Miao +7
High-resolution electron energy loss spectroscopy (HREELS) is one of the most powerful methods to detect the dispersion of plasmons. However, we find that in the HREELS measurement…
Topologically Nontrivial Interband Plasmons in Type-II Weyl Semimetal MoTe
Xun Jia, Maoyuan Wang, Dayu Yan +7
In many realistic topological materials, more than one kind of fermions contribute to the electronic bands crossing the Fermi level, leading to various novel phenomena. Here, using…
Electron-phonon Coupling and Kohn Anomaly due to the Floating 2D Electronic Bands on the Surface of ZrSiS
Siwei Xue, Tiantian Zhang, Changjiang Yi +7
ZrSiS, an intriguing candidate of topological nodal line semimetals, was discovered to have exotic surface floating two-dimensional (2D) electrons [Phys. Rev. X 7, 041073 (2017)],…
Real-Space Investigation of the Charge Density Wave in VTe2 Monolayer with Rotational and Mirror Symmetries Broken
Guangyao Miao, Siwei Xue, Bo Li +5
Recently the charge density wave (CDW) in vanadium dichalcogenides have attracted increasing research interests, but a real-space investigation on the symmetry breaking of the CDW…
Flat AgTe Honeycomb Monolayer with Topologically Nontrivial States
Bing Liu, Jian Liu, Guangyao Miao +9
The intriguing properties, especially Dirac physics in graphene, have inspired the pursuit of two-dimensional materials in honeycomb structure. Here we achieved a monolayer transit…
Lattice Dynamics of Ultrathin FeSe Films on SrTiO3
Shuyuan Zhang, Jiaqi Guan, Yan Wang +14
Charge transfer and electron-phonon coupling (EPC) are proposed to be two important constituents associated with enhanced superconductivity in the single unit cell FeSe films on ox…