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Search results for semiconductor

Nanomaterials Aug 31, 2022

Simple technique ushers in long-sought class of semiconductors

Breakthroughs in modern microelectronics depend on understanding and manipulating the movement of electrons in metal. Reducing the thickness of metal sheets to the order of nanometers can enable exquisite control over how ...

Materials Science Aug 30, 2022

Color-tunable, high-mobility emissive organic single crystals for light-emitting transistors

Organic light-emitting transistors (OLETs) combining the light-emitting function of organic light-emitting diodes (OLEDs) and the current modulation (and signal amplification) function of organic field-effect transistors ...

Analytical Chemistry Aug 12, 2022

Optical microscope strategy allows observers to check electrons moving inside gold

A team led by DGIST professor Seo Dae-ha has developed an experimental strategy to control and observe the chemical reaction of a single nanocatalyst using an optical microscope. The work is expected to contribute to catalyst ...

Bio & Medicine Aug 10, 2022

Ultra-thin but tough implantable material could treat spinal cord injury and Parkinson's disease

Flexible implanted electronics are a step closer toward clinical applications thanks to a recent breakthrough technology developed by a research team from Griffith University and UNSW Sydney.

Optics & Photonics Aug 4, 2022

Exceeding 100 percent quantum efficiency in the photocurrent of a hybrid inorganic-organic semiconductor

Tiny crystals, known as quantum dots, have enabled an international team to achieve a quantum efficiency exceeding 100 percent in the photocurrent generated in a hybrid inorganic-organic semiconductor.

Nanomaterials Jul 25, 2022

The structure of the smallest semiconductor elucidated

A semiconductor is a material whose conductivity lies somewhere between that of a conductor and an insulator. This property allows semiconductors to serve as the base material for modern electronics and transistors. It is ...

Condensed Matter Jul 20, 2022

Researchers explore a hydrodynamic semiconductor where electrons flow like water

You don't normally want to mix electricity and water, but electricity behaving like water has the potential to improve electronic devices. Recent work from the groups of engineer James Hone at Columbia and theoretical physicist ...

Optics & Photonics Jul 6, 2022

Researchers implement logic gates using two-photon absorption in carrier reservoir semiconductor optical amplifiers

When an optical pulse train is delivered, two-photon absorption (TPA)-induced pumping causes considerable and quick gain and phase shifts in the carrier reservoir semiconductor optical amplifier (CR-SOA).

Optics & Photonics Jul 1, 2022

Scientists investigate temperature effect on semiconductor optical amplifiers

The effect of temperature on the performance of the semiconductor optical amplifiers (SOAs) is an important research point. Amer Kotb and his colleagues from the Changchun Institute of Optics, Fine Mechanics and Physics of ...

General Physics Jun 29, 2022

New single-mode semiconductor laser delivers power with scalability

Berkeley engineers have created a new type of semiconductor laser that accomplishes an elusive goal in the field of optics: the ability to maintain a single mode of emitted light while maintaining the ability to scale up ...

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