VSOP25: Program


  • Reyes Calvo (RC): General introduction to 2D materials and vdW heterostructures.
  • Dario Bercioux (DB): Topological insulators and Topological Phases.
  • Nurit Avraham (NA): Methods and techniques in studying of 2D materials:
    • Introduction to scanning tunneling microscopy (STM)
      Principle of operation.
    • Type of measurements.
    • Topography, Density of states, Quasi-particle interference
      Probing Dirac Fermions in Graphene by scanning tunneling microscopy and spectroscopy.
    • From Graphene to 2D topological insulators – introduction to topological materials.
    • The case of Bi2TeI – a stack of 2D topological insulators forming a weak and crystalline topological insulator.
    • Visualizing weakly bound 2D topological Fermi arcs and their properties in the Weyl semimetal TaAs.

  • Philippe Dollfus (PD): Novel devices based on 2D materials and vdW heterostructures.
    1. 2D materials: basic properties and computational methods for device applications
      • General properties of graphene
      • Semi-empirical atomistic description of graphene: tight-binding and force-constant models
      • The case of other 2D materials
      • Quantum transport and device simulation: Green’s function approach and Poisson’s equation
    2. The graphene issue: the lack of band gap
      1. Why a gap is needed for most electronic and thermoelectric applications?
      2. Bandgap and conduction gap engineering
    3. Electronic applications: towards high frequency and/or low power operation
      • Diodes with negative differential resistance
      • Field-Effect transistors (FETs) based on graphene nanostructures
      • Tunnel Field-Effect transistors (TFETs): graphene and transition metal dichalcogenides (TMDs)
      • Electronic optics: PN junction and Klein tunneling transistor, grain boundary and valleytronics
    4. Thermoelectric applications: from a poor thermoelectric material to the high thermoelectric performance
      • Graphene nanoribbons (GNRs), hybrid graphene/BN nanoribbons
      • Graphene nanomeshes (GNMs)
      • VdW stack of graphene layers           
      • Graphene nanofibers (GNFs) and isotope doping
  • Pham Tien Lam (PL): Machine-learning in Materials Science and condensed matter physics.
  • Nguyen Tuan Hung & Le Van Lich (HL): Hands-on on Computation in Physics and Materials.


Schedule for lecturing

Mini-workshop: by students


  • Trip to Ky Co beach and Eo Gio for seeing coral, Sunday, July 28, 2019.