A research team from the University of Science and Technology of China has demonstrated the ability to electrically ...

This time, the scientists placed graphene quantum dots into a controlled environment. These graphene dots are nanoscale materials made by arranging a single layer of graphene—which, like ...

Researchers discovered new quantum states in twisted graphene layers, paving the way for energy-efficient electronics and ...

By twisting layers of graphene, researchers discovered a unique electronic crystal where electrons freeze in place yet allow ...

A tunable quantum dot device in Bernal bilayer graphene possesses a spin–valley relaxation time of 38 s at millikelvin temperatures. The thousands of nuclear spins surrounding gallium arsenide ...

Quantum dots are widely used for their ability to emit single photons at specific wavelengths. These photons are created by ...

Alfa Chemistry CdTeSeS Type-II Quantum Dots Emission 700 50 nm Alfa Chemistry Copper Indium Disulfide/Zinc Sulfide Quantum Dots, Peak Emission 550nm 10nm, QY > 75% 550nm 10nm Alfa Chemistry CdS/ZnS ...

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The Manchester team used electron-beam lithography and isotropic dry etching to make the quantum dot, the leads and the gate electrodes — all from the same sheet of graphene. Just as the current ...

Quantum dots – nanoparticles of semiconductors – were first theorized in the 1970s and then successfully synthesized in the early 1980s. When semiconductor particles are made small enough, they ...