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Search results for quantum Hall

Condensed Matter Apr 21, 2025

Mathematical model modulates the anomalous Hall angle in a magnetic topological semimetal

When an electric current passes through some materials, it generates a voltage perpendicular to the direction in which the current is flowing and of an applied magnetic field. This physical phenomenon, known as the anomalous ...

Condensed Matter Apr 18, 2025

Layered room-temperature altermagnet shows promise for advanced spintronics

Traditionally, magnetic materials have been divided into two main categories: ferromagnets and antiferromagnets. Over the past few years, however, physicists have uncovered the existence of altermagnets, a new type of magnetic ...

Condensed Matter Apr 9, 2025

Scientists discover method to restore vanishing electronic patterns in quantum materials

A new study published in Nature Communications April 7 could reshape the future of magnetic and electronic technology. Scientists at Rice University have discovered how a disappearing electronic pattern in a quantum material ...

Condensed Matter Mar 28, 2025

Thermopower-based technique can detect fractional quantum Hall states

If one side of a conducting or semiconducting material is heated while the other remains cool, charge carriers move from the hot side to the cold side, generating an electrical voltage known as thermopower.

Condensed Matter Mar 24, 2025

Meters closer, miles faster: A novel cryogenic in-memory computing scheme to bridge AI with quantum computing

Scholars at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have unveiled an innovation that brings artificial intelligence (AI) closer to quantum computing—both physically and technologically.

Condensed Matter Mar 24, 2025

Patterned spintronic emitter enables room-temperature THz polarization control for wireless and biomedical applications

Terahertz (THz) waves are located between microwaves and infrared light in the electromagnetic spectrum. They can pass through many materials without causing damage, making them useful for security scanning, medical imaging, ...

Condensed Matter Mar 14, 2025

Olympicene molecular chains create quantum spin systems with spintronics applications

In a new publication in Nature Materials, an international team of researchers has developed groundbreaking artificial chains of the iconic "olympicene" molecules to realize the antiferromagnetic (AF) spin-½ Heisenberg model, ...

Condensed Matter Mar 13, 2025

Reading magnetic states faster—in far infrared

With today's data rates of only a few hundred megabytes per second, access to digital information remains relatively slow. Initial experiments have already shown a promising new strategy: Magnetic states can be read out by ...

Condensed Matter Mar 13, 2025

Âé¶¹ÒùÔºicists uncover two superconducting regimes in a Kagome lattice superconductor

Superconductivity, which entails an electrical resistance of zero at very low temperatures, is a highly desirable and thus widely studied quantum phenomenon. Typically, this state is known to arise following the formation ...

Nanophysics Mar 12, 2025

Scientists achieve universal technique—called van der Waals squeezing—for atomic manufacturing of 2D metals

Since the groundbreaking discovery of graphene in 2004, the dizzying pace of progress in two-dimensional (2D) materials has ushered in a new era of fundamental research and technological innovation. Although nearly 2,000 ...

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