It's based on a quantum phenomenon called Quantum Anomalous Hall effect. The precise measurement of electrical resistance is essential in industrial production or electronics—for example ...

Scholars at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have unveiled an ...

This has led to the adoption of the Quantum Hall Effect as a standard for electrical resistance calibration. Despite its profound implications, the Quantum Hall Effect requires extreme conditions of ...

In graphene, Quantum Hall resistance is locked within one-tenth of a billion part to the fraction h/e 2, making it the most accurate resistance measurement standard ever reported. A team of ...

Scholars at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have unveiled an innovation that brings artificial ...

have carried out an experiment that realizes a new kind of quantum standard of resistance. It's based on the Quantum Anomalous Hall ...