Local Probe Studies of Electronic Structure in Monolayer TaSe2

ORAL

Abstract

Metallic transition metal dichalcogenides (TMDs) are ideal platforms for exploring collective electronic phenomena such as charge density wave (CDW) and superconductivity. Thinning down TMDs to the monolayer limit may help clarify the role of interlayer coupling effect and dimensionality in these intriguing phases. Here we present an electronic structure study of single-layer TaSe2 by means of scanning tunneling microscopy/spectroscopy, angle-resolved photoemission spectroscopy and first-principle calculation. It provides new insight into the interplay among charge order, dimensionality and electron-electron interaction in this model CDW system.

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Presenters

  • Yi Chen

    Univ of California - Berkeley

Authors

  • Yi Chen

    Univ of California - Berkeley

  • Hsin-Zon Tsai

    Physics, Univ of California - Berkeley, Univ of California - Berkeley, UCB, Physics, UC Berkeley, Physics, University of California, Berkeley, Department of physics, University of California - Berkeley

  • Wei Ruan

    Tsinghua Univ, Univ of California - Berkeley

  • Hyejin Ryu

    Lawrence Berkeley National Lab, Lawrence Berkeley National Laboratory, Lawrence Berkeley Natl Lab

  • Shujie Tang

    Stanford University, Lawrence Berkeley National Laboratory, SIMIS, Stanford University

  • Oliver Albertini

    Department of Physics, Georgetown Univ, Georgetown University

  • Caihong Jia

    Univ of California - Berkeley

  • Salman Kahn

    Univ of California - Berkeley, UCB, Physics, University of California, Berkeley

  • Franklin Liou

    Univ of California - Berkeley

  • Zahid Hussain

    Lawrence Berkeley National Lab, Lawrence Berkeley Natl Lab

  • Zhi-Xun Shen

    Stanford University, SLAC National Accelerator Laboratory, SLAC - Natl Accelerator Lab, Stanford Univ, SIMIS, Stanford University, Applied Physics, Stanford Univ, Stanford University and SLAC National Accelerator Laboratory, Applied Physics, Stanford University

  • Sung-Kwan Mo

    Lawrence Berkeley National Lab, Lawrence Berkeley Natl Lab, Lawrence Berkeley National Laboratory, Pohang Accelerator Laboratory, Advanced Light Source, Lawrence Berkeley National Laboratory

  • Amy Liu

    Georgetown Univ, Department of Physics, Georgetown Univ, Georgetown University, Department of Physics, Georgetown University

  • Michael Crommie

    Physics, Univ of California - Berkeley, UC Berkeley and LBNL, Univ of California - Berkeley, UCB, Physics, UC Berkeley, Physics, University of California, Berkeley, Department of physics, University of California - Berkeley, Physics, University of California - Berkeley