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Search results for dirac

Nanophysics Aug 20, 2019

Crossover from 2-D metal to 3-D Dirac semimetal in metallic PtTe2 films with local Rashba effect

Transition metal dichalcogenides (TMDCs) formed by group 10 metals (e.g. PtSe2, PtTe2) have emerged as important materials with intriguing properties discovered both in bulk single crystals and atomically thin films. While ...

Optics & Photonics Aug 14, 2019

Researchers propose new topological phase of atomic matter hosting 'photonic skyrmions'

The field of topology or the study of how surfaces behave in different dimensions has profoundly influenced the current understanding of matter. The prime example is the topological insulator, which conducts electricity only ...

General Âé¶¹ÒùÔºics Aug 7, 2019

Researchers uncover hidden topological insulator states in bismuth crystals

The search for better materials for computers and other electronic devices has focused on a group of materials known as "topological insulators" that have a special property of conducting electricity on the edge of their ...

Condensed Matter Jul 12, 2019

Creating two-dimensional layered Zintl phase by dimensional manipulation of the crystal structure

The discovery of new families of two-dimensional (2-D) layered materials beyond graphene has always attracted great attention, but it remains challenging to artificially recreate the honeycomb atomic lattice structure with ...

Nanophysics Jul 9, 2019

On-demand control of terahertz and infrared waves

The ability to control infrared and terahertz waves using magnetic or electric fields is one of the great challenges in physics that could revolutionise opto-electronics, telecommunications and medical diagnostics. A theory ...

Environment Jul 1, 2019

Analysis finds US ecosystems shifting hundreds of miles north

Whole ecosystems are shifting dramatically north in the Great Plains, a phenomenon likely linked to human influences such as climate change, says new University of Nebraska-Lincoln research that analyzed nearly 50 years' ...

Quantum Âé¶¹ÒùÔºics Jun 13, 2019

Mysterious Majorana quasiparticle is now closer to being controlled for quantum computing

As mysterious as the Italian scientist for which it is named, the Majorana particle is one of the most compelling quests in physics.

General Âé¶¹ÒùÔºics Jun 12, 2019

New result in hunt for mysterious magnetic monopoles

Cutting a magnet in half yields two magnets, each with its own north and south pole. This apparent absence of an isolated magnetic pole, or "magnetic monopole," has puzzled physicists for more than a century. It would seem ...

General Âé¶¹ÒùÔºics Jun 10, 2019

A new candidate for dark matter and a way to detect it

Two theoretical physicists at the University of California, Davis have a new candidate for dark matter, and a possible way to detect it. They presented their work June 6 at the Planck 2019 conference in Granada, Spain and ...

General Âé¶¹ÒùÔºics 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.

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