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Condensed Matter Nov 4, 2020

Scientists develop method to detect charge traps in organic semiconductors

Scientists at Swansea University have developed a very sensitive method to detect the tiny signatures of so called 'charge traps' in organic semiconductors.

Optics & Photonics Oct 29, 2020

A new method to measure optical absorption in semiconductor crystals

Tohoku University researchers have revealed more details about omnidirectional photoluminescence (ODPL) spectroscopy—a method for probing semiconducting crystals with light to detect defects and impurities.

Quantum Physics Oct 8, 2020

Scientists create quietest semiconductor quantum bits on record

Researchers at UNSW Sydney have demonstrated the lowest noise level on record for a semiconductor quantum bit, or qubit. The research was published in Advanced Materials.

Optics & Photonics Oct 5, 2020

III-V semiconductor photonic integrated circuits go quantum

Quantum emitters are key for a range of technologies including LEDs, lasers and, in particular, photonic quantum communication and computation protocols. So far, scientists have turned to diamond and silicon carbide (SiC) ...

Optics & Photonics Sep 29, 2020

Microcomb-injected, pulsed lasers as variable microwave gears

Low-noise microwave signals are of critical importance in numerous applications such as high-speed telecommunication and ultrafast data processing. Conventionally, such signals are generated with bulky and delicate microwave ...

Condensed Matter Sep 17, 2020

Shedding light on the development of efficient blue-emitting semiconductors

Scientists at Tokyo Institute of Technology (Tokyo Tech) have discovered a new alkali copper halide, Cs5Cu3Cl6I2, that emits pure blue light. The combination of the two halide ions, chloride and iodide, gives the material ...

Quantum Physics Sep 15, 2020

Reviewing the quantum anomalous Hall effect

A collaboration across three FLEET nodes has reviewed the fundamental theories underpinning the quantum anomalous Hall effect (QAHE).

Materials Science Sep 8, 2020

Theoretical prediction of reverse intersystem crossing for organic semiconductors

A joint research team at RIKEN and Hokkaido University developed a method to predict rate constants of reverse intersystem crossing (RISC)associated with light emission efficiency of organic semiconductors used for organic ...

Nanomaterials Sep 8, 2020

Producing technicolor through brain-like electronic devices

Structural coloration promises to be the display technology of the future as there is no fading—it does not use dyes—and enables low-power displays without a strong external light source. However, the disadvantage of this ...

Nanophysics Aug 21, 2020

Scientists demonstrate tunable, atomically thin semiconductors

To tune the band gap, a key parameter in controlling the electrical conductivity and optical properties of semiconductors, researchers typically engineer alloys, a process in which two or more materials are combined to achieve ...

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