2009年11月19日 · Now a team from Columbia University has developed a simple, but effective method of producing ultraflat graphene by deposition on an atomically flat mica surface that …

2022年9月15日 · Here, we developed a generic method by gradient surface energy modulation, leading to a reliable adhesion and release of graphene onto target wafers. The as-obtained …

2020年1月8日 · Here we develop a proton-assisted method of chemical vapour deposition to grow ultra-flat graphene films that are wrinkle-free. Our method of proton penetration 13, 14, 15, 16, …

Graphene's exceptional electronic and optical properties make it a promising material for advanced technologies. We performed Density Functional Tight Binding (DFTB) simulations to …

2024年3月18日 · We demonstrate theoretically that a single layer of graphene, when placed between two bulk boron nitride crystal substrates with the appropriate twist angles, can …

3 天之前 · Flat bands are of significant interest due to their potential for energy confinement and their ability to enable strongly correlated physics. Incorporating topology into flatband systems …

2025年3月12日 · Graphene is a single layer of carbon atoms arranged in a flat honeycomb pattern whereby each hexagon is formed by six carbon atoms at its vertices. Since graphene’s …

2025年3月19日 · Many of the peculiarities in these twisted graphene bilayers are closely tied to the presence of flat, or momentum-independent, energy bands. Now Chunyin Qiu and his …

2023年8月14日 · By analyzing effective models of graphene under periodic deformations with generic crystalline profiles, we identify strong C 2z symmetry breaking as the critical substrate …

2023年9月16日 · The realisation of correlation-driven phenomena in graphene has remained a longstanding goal, primarily due to the absence of strong electron-electron interactions within …