377 citations · 1.4k across the 29 of their papers we have counts for
12 papers · 1 filter
Plasmonic polaron in self-intercalated 1T-TiS2
Byoung Ki Choi, Woojin Choi, Zhiyu Tao +24
Electron-boson coupling is central to a comprehensive understanding of the diverse physical phenomena emerging from many-body interactions. Yet less attention has been paid to how…
Interlayer Hopping between Surface Mott Insulator and Bulk Band Insulator in layered 1T-TaS_{2}
Zijian Lin, Jie Li, Xiaodong Cao +7
In condensed matter physics, various mechanisms give rise to distinct insulating phases. The competition and interplay between these phases remain elusive, even for the seemingly m…
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…
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…
Probing lattice vibration at surface and interface of SiO/Si with nanometer resolution
Yuehui Li, Mei Wu, Ning Li +6
Recent advances in monochromatic aberration corrected electron microscopy make it possible to detect the lattice vibration with both high-energy resolution and high spatial resolut…
Anomalous Acoustic Plasmon Mode from Topologically Protected States
Xun Jia, Shuyuan Zhang, Raman Sankar +7
Plasmons, the collective excitations of electrons in the bulk or at the surface, play an important role in the properties of materials, and have generated the field of Plasmonics.…
Classification of Charge Density Waves Based on Their Nature
Xuetao Zhu, Yanwei Cao, Jiandi Zhang +2
The concept of a Charge Density Wave (CDW) permeates much of condensed matter physics and chemistry. Conceptually, CDWs have their origin rooted in the instability of a one-dimensi…
Electron-phonon Coupling on the Surface of the Topological Insulator Bi2Se3: Determined from Surface Phonon Dispersion Measurements
Xuetao Zhu, Luiz Santos, Colin Howard +4
In this letter we report measurements of the coupling between Dirac fermion quasiparticles (DFQs) and phonons on the (001) surface of the strong topological insulator Bi2Se3. While…
Interaction of Phonons and Dirac Fermions on the Surface of Bi2Se3: A Strong Kohn Anomaly
Xuetao Zhu, L. Santos, R. Sankar +5
We report the first measurements of phonon dispersion curves on the (001) surface of the strong three-dimensional topological insulator Bi2Se3. The surface phonon measurements were…