Search Results: graphene (499)

…years, researchers have had some success with creating point-of-care biosensors using 2D nanomaterials such as graphene to detect diseases. The main advantages of graphene-based biosensors are their sensitivity, low cost…

STEM (scanning transmission electron microscopy) image of a one-dimensional array of F4TCNQ molecules (yellow-orange) on a gate-tunable graphene device. Credit: Berkeley Lab Removing one charged molecule from a one-dimensional array…

…is covered with the monolayer graphene, with several wrinkles clearly seen in the map. The darker graphene area corresponds to the region of extra charge doping. Credit: Elizabeth Flores-Gomez Murray/Jennifer…

A nanoscale rendering of two materials, graphene (gray) and chromium oxide (blue), that collectively allowed researchers from Nebraska and Buffalo to fabricate a new type of transistor. The red and…

…graphene electrodes in 2014 and has been advancing the technology since then. The researchers used platinum nanoparticles to lower the impedance of graphene electrodes by 100 times while keeping them…

…as the primary contributing mechanism to superconductivity in any material. The material the researchers studied is twisted bilayer graphene. Graphene is a single layer of carbon atoms arranged periodically in…

…color is the carbon atoms of the graphene channel. The smaller turquoise arrows indicate the spin-polarized electrons injected from the 2D magnet into the graphene channel. Here, the 2D magnet…

…lot of different systems that we could not study before.” Magic-Angle Twisted Bilayer Graphene The researchers made the measurements on a relatively new 2D material called “magic-angle” twisted bilayer graphene….

…with each mode individually, providing unprecedented insight into electron-phonon dynamics.” Discovery of the “Phason” Mode in Graphene Applying this novel technique to twisted bilayer graphene yielded a surprising discovery: a…

…Purdue University). Graphene can host what are known as excitons. These quasiparticles form when two-atom-thin sheets of graphene are layered together and manipulated such that one layer has extra electrons…

…— Researchers from Brown University have shown experimentally that a boron-based competitor to graphene is a very real possibility. Graphene has been heralded as a wonder material. Made of a…

…(h-BN), aka white graphene, looks just like the atom-thick form of carbon known as graphene. One well-studied difference is that h-BN is a natural insulator, whereas perfect graphene presents no…

…stack are coupled to each other, and we’ve demonstrated the application of our idea to a structure made of graphene layers. The Bath research, published in Nature Communications, is based…

…sensor using graphene, a single layer of carbon atoms arranged in a hexagonal lattice pattern. Its extreme thinness renders graphene highly sensitive to any electrical changes in its environment. Akinwande…

…of material, atomic reconstruction can indeed occur and promote the in-plane rotational deformation of the adjacent graphene layers. However, the atomic rotational deformation of graphene layer gradually decays as they…

…Institutes of Physical Science, part of the Chinese Academy of Sciences, has developed a metal-free nanozyme using graphene quantum dots (GQDs). This innovation is aimed at enhancing the effectiveness of…

…lattice or foreign atoms on its surface over regions with hundreds of thousands of atoms.” To make the pure graphene, the researchers exfoliated two carbon sheets of graphene in a…

…could inform future developments in health care, sustainable energy, and more. Researchers tweaked borophene to interact with cells and other biological units in unique ways. Move over, graphene. There’s a…