In the near future, fluorescent graphene quantum dots could crop up in clothes, cosmetics, consumer electronics and even cancer treatments. New Atlas spoke to Moti Gross, the CEO of Dotz Nano, a ...

Symmetric graphene quantum dots for future qubits Date: May 8, 2023 Source: Forschungszentrum Juelich Summary: Quantum dots in semiconductors such as silicon or gallium arsenide have long been ...

The study looked at quantum dots in both monolayer graphene and twisted bilayer graphene. The graphene rests on an insulating layer of hexagonal boron nitride, and a voltage applied with the STM ...

Graphene quantum dots: The next big small thing Rice University-led team creates tiny materials in bulk from carbon fiber Peer-Reviewed Publication ...

Trapped electrons traveling in circular loops at extreme speeds inside graphene quantum dots are highly sensitive to external magnetic fields and could be used as novel magnetic field sensors with ...

Quantum dots are tiny semiconducting structures in which electrons are confined in all three dimensions. It is this confinement that gives quantum dots unique electronic and optoelectronic ...

The team used electron-beam lithography to carve out two rectangular quantum dots (each 200 × 150 nm) from a layer of graphene deposited on a silicon-dioxide substrate. The dots were positioned 180 nm ...

Decreasing the distance between the graphene quantum dots by 0.35 nanometers increased the device's conductivity by 43-fold, Berry said. Furthermore, because air contains water, ...

Jul 26, 2024: Graphene-quantum dot hybrid enables compact multispectral light detection (Nanowerk Spotlight) Light detection across multiple wavelengths underpins numerous technological applications, ...

By deforming the circular potential of graphene quantum dots into an elliptical potential, the team successfully induced orbital hybridization, resulting in two hybridized states with distinct ...

Velasco’s approach creates quantum dots in different forms of graphene using an electrostatic “corral” to confine graphene’s speeding electrons. “Part of what makes this interesting is the fundamental ...