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Search results for quantum Hall

Quantum Âé¶¹ÒùÔºics Feb 22, 2021

Researchers create 'beautiful marriage' of quantum enemies

Cornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.

Quantum Âé¶¹ÒùÔºics Feb 22, 2021

Magnetic effect without a magnet

Electric current is deflected by a magnetic field—in conducting materials, this leads to the so-called Hall effect. This effect is often used to measure magnetic fields. A surprising discovery has now been made at TU Wien, ...

Nanophysics Feb 5, 2021

A magnetic twist to graphene

Electrons in materials have a property known as 'spin," which is responsible for a variety of properties, the most well-known of which is magnetism. Permanent magnets, like the ones used for refrigerator doors, have all the ...

Nanomaterials Jan 28, 2021

From heat to spin to electricity: Understanding spin transport in thermoelectric devices

Thermoelectric materials, which can generate an electric voltage in the presence of a temperature difference, are currently an area of intense research; thermoelectric energy harvesting technology is among our best shots ...

Optics & Photonics Jan 27, 2021

A vacuum-ultraviolet laser with submicrometer spot for spatially resolved photoemission spectroscopy

If vacuum ultraviolet lasers can be focused into a small beam spot, it will allow investigation of mesoscopic materials and structures and enable the manufacture of nano-objects with excellent precision. Towards this goal, ...

Nanophysics Jan 22, 2021

Observing chiral edge states in gapped nanomechanical graphene

Edge states are an emerging concept in physics and have been explored as an efficient strategy to manipulate electrons, photons and phonons for next-generation hybrid electro-optomechanical circuits. Scientists have used ...

General Âé¶¹ÒùÔºics Dec 18, 2020

Topological phases in biological systems

LMU physicists have shown that topological phases could exist in biology, and in so doing they have identified a link between solid-state physics and biophysics.

General Âé¶¹ÒùÔºics Dec 16, 2020

Quantum insulators create multilane highways for electrons

New energy-efficient electronic devices may be possible thanks to research that demonstrates the quantum anomalous Hall (QAH) effect—where an electrical current does not lose energy as it flows along the edges of the material—over ...

Nanophysics Dec 4, 2020

Fine tuning the "twist" between 2-D materials in van der Waals heterostructures to help accelerate next gen electronics

A group of international researchers at The University of Manchester have revealed a novel method that could fine tune the angle—"twist"—between atom-thin layers that form exotic manmade nanodevices called van der Waals ...

Quantum Âé¶¹ÒùÔºics Dec 4, 2020

Electrical spin filtering the key to ultra-fast, energy-efficient spintronics

Spin-filtering could be the key to faster, more energy-efficient switching in future spintronic technology, allowing the detection of spin by electrical rather than magnetic means.

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