India’s buying of solar photovoltaic (PV) cells from China went up by 141%. This big rise is likely because India is now ...

Researchers at the University of Innsbruck, along with those at Dortmund, Bayreuth, and Linz universities, have demonstrated ...

Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" ...

Excitons – bound pairs of electrons and electron hole – are quasiparticles that can arise in solids. While so-called "bright" excitons emit light and ...

Quantum sensors have become important tools in low-energy particle physics. Michael Doser explores opportunities to exploit ...

Researchers successfully freeze light into a supersolid, a groundbreaking discovery with potential applications in quantum computing and energy transport.

The quantum hydrodynamic model is used to investigate the arbitrary degenerate electron/hole stream instabilities in ballistic semiconductors or semiconductor plasmas (semiplasmas) for a wide range of ...

What are semiconductors, and why are they essential? Find out with ExtremeTech’s guide and see how they power our world. Click to learn more.

In semiconductors, in addition to the bandgap, an important physical quantity is the mobility of charge carriers (electrons and holes). In this tutorial, we will study the Hall effect that allows us ...

Optoelectronic materials facilitate light and electricity interactions, essential for advancements in photovoltaics, OLED displays, and quantum technologies.

A ‘hole’ arises due to a missing electron in the valence band, which normally participates in covalent bonding between atoms.