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Quantum Âé¶¹ÒùÔºics Jul 8, 2020

Scaling up the quantum chip

MIT researchers have developed a process to manufacture and integrate "artificial atoms," created by atomic-scale defects in microscopically thin slices of diamond, with photonic circuitry, producing the largest quantum chip ...

Materials Science Jul 7, 2020

'Growing' active sites on quantum dots for robust hydrogen photogeneration

Very recently, Chinese researchers had achieved site- and spatial- selective integration of earth-abundant metal ions (e.g., Fe2+, Co2+, Ni2+) in semiconductor quantum dots (QDs) for efficient and robust photocatalytic H2 ...

Quantum Âé¶¹ÒùÔºics Jul 7, 2020

Scientists create new device to light up the way for quantum technologies

Researchers at CRANN and Trinity's School of Âé¶¹ÒùÔºics have created an innovative new device that will emit single particles of light, or photons, from quantum dots that are the key to practical quantum computers, quantum communications, ...

Quantum Âé¶¹ÒùÔºics Jul 6, 2020

Team obtained high-level control of spin qubit lifetime based on silicon quantum dots

By tuning the direction of the external magnetic field with respect to the crystallographic axis of the silicon wafer, an improvement of spin lifetime (relaxation time) by over two orders of magnitude was reported in silicon ...

Bio & Medicine Jul 1, 2020

Charcoal a weapon to fight superoxide-induced disease, injury

Artificial enzymes made of treated charcoal could have the power to curtail damaging levels of superoxides, radical oxygen ions that are toxic at high concentrations.

Nanomaterials Jun 29, 2020

A new theory for semiconductors made of nanocrystals

Researchers at ETH have provided the first theoretical explanation for how electrical current is conducted in semiconductors made of nanocrystals. In the future, this could lead to the development of new sensors, lasers or ...

Nanophysics Jun 29, 2020

Team develops method for trapping elusive electrons

Graphene's unique 2-D structure means that electrons travel through it differently than in most other materials. One consequence of this unique transport is that applying a voltage doesn't stop the electrons like it does ...

Nanomaterials Jun 25, 2020

Researchers create a mechanically tunable graphene quantum dot

Precisely manipulating individual charge carriers is a cornerstone for single-electron transistors and for electronic devices of the future, including solid-state quantum bits (qubits). Quantum dots (QDs) are at the heart ...

Nanomaterials Jun 25, 2020

New insights into the energy levels in quantum dots

Researchers from Basel, Bochum, and Copenhagen have gained new insights into the energy states of quantum dots. They are semiconductor nanostructures and promising building blocks for quantum communication. With their experiments, ...

Quantum Âé¶¹ÒùÔºics Jun 19, 2020

Is teleportation possible? Yes, in the quantum world

"Beam me up" is one of the most famous catchphrases from the Star Trek series. It is the command issued when a character wishes to teleport from a remote location back to the Starship Enterprise.

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