Search results for quantum anomalous hall

General Physics Nov 5, 2019

Laser pulses create topological state in graphene

Discovering ways to control the topological aspects of quantum materials is an important research frontier because it can lead to desirable electrical and spin transport properties for future device technologies. Now MPSD ...

Quantum Physics Sep 30, 2019

Realizing a giant magnetic field by moiré pattern engineering

Scientists at the University of Hong Kong and Hunan Normal University showed that, in homobilayer transition metal dichalcogenides, the real-space Berry phase from moiré patterns manifests as a periodic magnetic field. The ...

General Physics Sep 20, 2019

The best of two worlds: Magnetism and Weyl semimetals

Imagine a world in which electricity could flow through the grid without any losses or where all the data in the world could be stored in the cloud without the need for power stations. This seems unimaginable but a path ...

Nanomaterials Jul 26, 2019

Physicists discover new quantum trick for graphene: magnetism

Sometimes the best discoveries happen when scientists least expect it. While trying to replicate another team's finding, Stanford physicists recently stumbled upon a novel form of magnetism, predicted but never seen before, ...

General Physics Jul 23, 2019

Unconventional phenomena triggered by acoustic waves in 2-D materials

Researchers at the Center for Theoretical Physics of Complex Systems (PCS), within the Institute for Basic Science (IBS, South Korea), and colleagues have reported a novel phenomenon, called Valley Acoustoelectric Effect, ...

General Physics Jul 22, 2019

A torque on conventional magnetic wisdom

Physicists at the University of Illinois at Urbana-Champaign have observed a magnetic phenomenon called the "anomalous spin-orbit torque" (ASOT) for the first time. Professor Virginia Lorenz and graduate student Wenrui Wang, ...

General Physics Jun 3, 2019

Tuning the topological insulator Sb2Te3: Just add iron

Iron-doping of the topological insulator Sb2Te3 results in useful electronic and magnetic properties, quantified in a recent FLEET study at the University of Wollongong.

Condensed Matter Apr 18, 2019

Demonstrating a weak topological insulator in bismuth iodide

Topological insulators are one of the most exciting discoveries of the 21st century. They can be simply described as materials that conduct electricity on their surface or edge, but are insulating in their interior bulk. ...

Quantum Physics Nov 13, 2018

A magnetic method to control the transport of chiral Majorana fermions

The Majorana fermion, a particle that is its own antiparticle, was originally introduced as a putative elementary particle by Ettore Majorana in 1937, and the chiral Majorana fermion was experimentally observed in topological ...

General Physics Oct 10, 2018

Three renowned scientists: Heusler, Weyl and Berry

Scientists at the Max Planck Institute Chemical Physics of Solids have written a review paper about magnetic topological materials in the family of Heusler compounds. The review explains the connection between topology, symmetry ...

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