Speeding through nanowire

Nanowires under tension create the basis for ultrafast transistors

09-Feb-2022 - Smaller chips, faster computers, less energy consumption. Novel concepts based on semiconductor nanowires are expected to make transistors in microelectronic circuits better and more efficient. Electron mobility plays a key role in this: The faster electrons can accelerate in these tiny wires, ...

Bipolar doping

New approach facilitates the control of reversible conductivity in semiconductors

17-Nov-2020 - The semiconductor gallium oxide is thought to be a promising candidate for potential use in power electronics. So far, however, a number of obstacles have stood in its path, especially how to specifically influence the material’s electrical conductivity. In a study published in the journal ...

Broad spectrum: Novel hybrid material proves an efficient photodetector

14-Apr-2020 - Digital cameras as well as many other electronic devices need light-sensitive sensors. In order to cater for the increasing demand for optoelectronic components of this kind, industry is searching for new semiconductor materials. They are not only supposed to cover a broad range of wavelengths ...

Hermetically sealed semi-conductors

New encapsulation technique protects electronic properties of sensitive materials

30-Jan-2020 - Tomorrow’s electronics are getting ever smaller. Researchers are thus searching for tiny components that function reliably in increasingly narrow configurations. Promising elements include the chemical compounds indium selenide (InSe) and gallium selenide (GaSe). In the form of ultra-thin layers, ...

Shell increases versatility of nanowires

Laboratory experiments show that semiconductor nanowires can be tuned over wide energy ranges

28-Jun-2019 - Nanowires promise to make LEDs more colorful and solar cells more efficient, in addition to speeding up computers. That is, provided that the tiny semiconductors convert electric energy into light, and vice versa, at the right wavelengths. A research team at Helmholtz-Zentrum Dresden-Rossendorf ...

Fast detector for a wide wavelength range

13-Aug-2013 - Free-electron lasers are extremely versatile research tools because their intense, super short light flashes permit a closer look at new materials and even biological molecules; thus, allowing effects to be observed that had not been known previously. For pulsed lasers in the far infrared range, ...