The ability to detect light over a broad spectral range is central to practical optoelectronic
applications and has been successfully demonstrated with photodetectors of two-dimensional …

Black phosphorus (BP) has recently been rediscovered as a new and interesting two-dimensional
material due to its unique electronic and optical properties. Here, we study the linear …

Artificial superlattices, based on van der Waals heterostructures of two-dimensional atomic
crystals such as graphene or molybdenum disulfide, offer technological opportunities beyond …

Birefringence is an inherent optical property of anisotropic materials introduced by the
anisotropic confinement in their crystal structures. It enables manipulation of light propagation …

Two-dimensional crystals have emerged as a class of materials that may impact future
electronic technologies. Experimentally identifying and characterizing new functional two-…

Recently, the re-discovered black phosphorus (BP) has been extensively investigated for
both electronic and photonic applications. However, the intrinsic instability of BP caused by …

Phosphorene, a single atomic layer of black phosphorus, has recently emerged as a new
two-dimensional (2D) material that holds promise for electronic and photonic technologies 1 , 2 …

The development of new, high-quality functional materials has been at the forefront of
condensed-matter research. The recent advent of two-dimensional black phosphorus has greatly …

G-quadruplex structure (G4) is a type of DNA secondary structure that widely exists in the
genomes of many organisms. G4s are believed to participate in multiple biological processes. …

For decades, two-dimensional electron gases (2DEG) have allowed important experimental
discoveries 1 , 2 and conceptual developments in condensed-matter physics 3 . When …