Institute for Superconducting and Electronic Materials (ISEM) has addressed a 40-year-old quantum puzzle, unlocking a new ...

In contrast, the Seebeck effect generates a voltage when there is a temperature gradient. While thermocouples do produce voltage this way, they usually have much lower power output and are useless ...

Even after 145 years, the Hall effect remains relevant, playing a crucial role in various modern-day applications such as ...

Dec. 17, 2024 — The quantum Hall effect, a fundamental effect in quantum mechanics, not only generates an electric but also a magnetic current. It arises from the motion of electrons on an orbit ...

The quantum Hall effect was discovered in 2D materials, and laboratories worldwide are in a race to make 3D topological superconductors for quantum computing.

The quantum Hall effect is observed when the resistance of a two-dimensional gas of electrons is measured in a magnetic field. In 1980 Klaus von Klitzing discovered that the resistance of the gas is ...

The quantum Hall effect traditionally only plays a role in two-dimensional electron systems. Recently, however, a three-dimensional version of the quantum Hall effect was described in the Dirac ...

The fractional quantum anomalous Hall effect occurs when the Hall resistance in a material is quantized to fractional multiples of the fundamental unit h/e2 at zero magnetic field.

Collective electron excitations break down quantum Hall effect in graphene. Narrow “window” of temperatures and magnetic fields. Using measurements of resistance versus applied gate voltage at ...

Definition: The Quantum Hall Effect is a quantum mechanical phenomenon observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields.It is characterized by the ...

The discovery of the quantum Hall effect in 1980 marked a turning point in condensed matter physics. The measurement of the Hall resistance showed that electronic resistance could be defined ...

The quantum Hall effect (QHE) is a quantum-mechanical version of the Hall effect, in which a small voltage difference is created perpendicular to a current flow by an applied magnetic field. The ...