Search results for dopant

Nanomaterials Sep 20, 2023

Making contact: Researchers wire up individual graphene nanoribbons

Researchers have developed a method of "wiring up" graphene nanoribbons (GNRs), a class of one-dimensional materials that are of interest in the scaling of microelectronic devices. Using a direct-write scanning tunneling ...

Optics & Photonics Sep 20, 2023

Researchers introduce novel organic light-emitting diode with ultralow turn-on voltage for blue emission

Blue light is vital for light-emitting devices, lighting applications, as well as smartphone screens and large screen displays. However, it is challenging to develop efficient blue organic light-emitting diodes (OLEDs), owing ...

Analytical Chemistry Aug 31, 2023

Examining challenges in green hydrogen production: Study finds hydrogen effects that produce bottleneck

The quest for hydrogen as a clean and sustainable energy source has gained momentum. To produce green hydrogen, water must be split into oxygen and hydrogen. This water splitting process is facilitated by electrocatalysts ...

Optics & Photonics Jul 31, 2023

Telecom-band-integrated multimode photonic quantum-memory

Quantum memory that depends on quantum-band integration is a key building block used to develop quantum networks that are compatible with fiber communication infrastructures. Quantum engineers and IT specialists have yet ...

General Physics Jul 17, 2023

A solid-state quantum microscope that controls the wave functions of atomic quantum dots in silicon

Over the past decades, physicists and engineers have been trying to develop various technologies that leverage quantum mechanical effects, including quantum microscopes. These are microscopy tools that can be used to study ...

Nanophysics Jul 14, 2023

New study reveals spin in quantum dots' carrier multiplication

A new approach to developing semiconductor materials at tiny scales could help boost applications that rely on converting light to energy. A Los Alamos-led research team incorporated magnetic dopants into specially engineered ...

Analytical Chemistry Jun 28, 2023

Research team reports on discovery of grain-interior planar defects induced by heteroatom monolayer

In collaboration with the Institute of Physics at the Chinese Academy of Sciences (IPCAS), researchers from Beijing University of Technology (BJUT) have discovered a new type of grain-interior planar defect in a ceramic phase ...

Optics & Photonics Jun 21, 2023

The path to a quantum network: Erbium dopants stimulated to emit single photons

Researchers at MPQ in Garching, together with a team from TU Munich, have excited erbium atoms embedded in crystalline silicon such that they emit single photons. Their special properties can form the basis for the development ...

Analytical Chemistry Jun 16, 2023

A catalyst synthesis strategy to optimize hydrogen production from water electrolysis

A team, led by Academician Yu Shuhong from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), delivered a general strategy for the synthesis of ten single-atom doped CoSe2-DETA ...

Quantum Physics Jun 14, 2023

Researchers achieve coherent control of two-dimensional material solid-state spin defects

A team led by Prof. Guo Guangcan, with the collaborative efforts from Wigner Research Centre for Physics, revealed a new approach to discovering a new spin defect with an excellent probability of 85% and achieved coherent ...

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