Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

The advent of pump-probe spectroscopy techniques paved the way to the exploration of
ultrafast dynamics of electrons and phonons in crystalline solids. Following photo-absorption …

We designed and fabricated an epitaxial-graphene-channel field-effect transistor (EG-FET)
featuring an asymmetric dual-grating-gate (ADGG) structure working as a current-driven …

The discovery of Dirac fermions in a number of 2D and 3D materials boosted the solid-state
research in an unprecedented way. Among the many hopes of using their exceptional …

A distributed feedback dual-gate graphene-channel field-effect transistor (DFB-DG-GFET)
was fabricated as a current-injection terahertz (THz) light-emitting laser transistor. Optical …

Angle-resolved photoemission spectroscopy (ARPES)--with its exceptional sensitivity to both
the binding energy and momentum of valence electrons in solids--provides unparalleled …

Electron-phonon interaction and related self-energy are fundamental to both the equilibrium
properties and non-equilibrium relaxation dynamics of solids. Although electron-phonon …

Ultrafast carrier dynamics in a graphene system are very important in terms of optoelectronic
devices. Recently, a twisted bilayer graphene has been discovered that possesses …

We demonstrate that the injection of the ballistic electrons into the two-dimensional electron
plasma in lateral n+-in-n+ graphene field-effect transistors (GFETs) might lead to a …

We describe a setup for time-and angle-resolved photoemission spectroscopy with
wavelength-tunable excitation and an extreme ultraviolet probe. It is enabled by using the 10 …