Search results for anisotropic hall effect

Optics & Photonics Mar 19, 2024

Research team establishes synthetic dimension dynamics to manipulate light

In the realm of physics, synthetic dimensions (SDs) have emerged as one of the frontiers of active research, offering a pathway to explore phenomena in higher-dimensional spaces, beyond our conventional 3D geometrical space. ...

Optics & Photonics Feb 19, 2021

Spin Hall effect of light achieved with near 100% efficiency

A POSTECH-KAIST joint research team has successfully developed a technique to reach near-unity efficiency of SHEL by using an artificially-designed metasurface.

General Physics Jun 29, 2011

Magnetic control of anomalous hall effect induced by spin chirality

Institute for Solid State Physics, the University of Tokyo and RIKEN announced that researchers from both institutes succeeded in the magnetic control of anomalous Hall effect (AHE) induced by spin chirality. Details were ...

Nanophysics Feb 28, 2020

Helical quantum Hall phase in graphene on strontium titanate

Materials that exhibit topological phases can be classified by their dimensionality, symmetries and topological invariants to form conductive-edge states with peculiar transport and spin properties. For example, the quantum ...

Nanomaterials Aug 31, 2022

Simple technique ushers in long-sought class of semiconductors

Breakthroughs in modern microelectronics depend on understanding and manipulating the movement of electrons in metal. Reducing the thickness of metal sheets to the order of nanometers can enable exquisite control over how ...

General Physics Sep 9, 2011

Using magnetic fields to control newly identified state of matter could enable more efficient memory devices

Scientists in Japan have shown that the properties of a recently discovered state of matter—a chiral spin liquid—can be controlled by applying a magnetic field1, a concept that could be harnessed for low-energy-consumption ...

Condensed Matter Mar 24, 2015

New class of zero-moment half metallic magnets may enhance data storage, wireless transmission speeds

Attempting to develop a novel type of permanent magnet, a team of researchers at Trinity College in Dublin, Ireland has discovered a new class of magnetic materials based on Mn-Ga alloys.

Optics & Photonics Sep 14, 2023

A nonrelativistic and nonmagnetic mechanism for generating terahertz waves

Scientists and engineers keep developing ever faster and more powerful technological devices. But there is a need for even faster and more efficient electronics. A promising route is to take advantage of terahertz waves, ...

General Physics Sep 8, 2020

Kondo physics in antiferromagnetic Weyl semimetal films

Emerging quantum materials can be defined by topology and strong electron correlations, although their applications in experimental systems are relatively limited. Weyl semimetals incorporating magnetism offer a unique and ...

General Physics Jun 16, 2015

A new and game-changing magnetoresistance

More than 150 years ago, William Thomson, later Lord Kelvin, discovered the magnetoresistive effect. Today, this finding enables sensors to measure the rotational speed of a car wheel, and is also used in compass navigation ...

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