Recently, 2D materials are in great demand for various applications such as optical devices,
supercapacitors, sensors, and biomedicine. MXenes as a kind of novel 2D material have …

Angle-resolved photoemission spectroscopy (ARPES)—an experimental technique based
on the photoelectric effect—is arguably the most powerful method for probing the electronic …

We present the science and technology roadmap for graphene, related two-dimensional
crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts …

Ultrafast fiber lasers have significant applications in ultra-precision manufacturing, medical
diagnostics, medical treatment, precision measurement and astronomical detection, owing …

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

Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …

Ultrafast laser sources operating in the mid-infrared (mid-IR) region, which contains the
characteristic fingerprint spectra of many important molecules and transparent windows of …

The unique electronic properties of the surface electrons in a topological insulator are
protected by time-reversal symmetry. Circularly polarized light naturally breaks time-reversal …

As an exotic state of quantum matter, topological insulators have promising applications in
new-generation electronic and optoelectronic devices. The realization of these applications …

Apart from conventional materials, the study of two-dimensional (2D) materials has emerged
as a significant field of study for a variety of applications. Graphene-like 2D materials are …