Physics

'Hidden' phases of matter revealed through the power of light

New chemistry research demonstrates how 'hidden' phases of matter can be activated by extremely fast pulses of light. This fundamental scientific breakthrough paves the way for creating materials that can be imbued with new properties, such as conducting electricity or making it magnetic.

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

Using a new approach, researchers detected the elusive Majorana quasiparticle, notable for being its own antiparticle and for its potential as the basis for a robust quantum computing system, in a device built from a superconductor, small magnetic elements, and a topological insulator.

Liquid gold on the nanoscale

Researchers have discovered what liquid gold looks like on the nanoscale -- and in doing so have mapped the way in which nanoparticles melt, which is relevant to the manufacturing and performance of nanotech devices.

New quantum dot microscope shows electric potentials of individual atoms

Researchers have developed a new method to measure the electric potentials of a sample at atomic accuracy. The new scanning quantum dot microscopy method could open up new opportunities for chip manufacture or the characterization of biomolecules such as DNA.

National MagLab creates world-record magnetic field with small, compact coil

A novel magnet half the size of a cardboard toilet tissue roll usurped the title of "world's strongest magnetic field" from the metal titan that had held it for two decades at the Florida State University-headquartered National High Magnetic Field Laboratory.

Small currents for big gains in spintronics

University of Tokyo researchers have created an electronic component that demonstrates functions and abilities important to future generations of computational logic and memory devices. It is between one and two orders of magnitude more power efficient than previous attempts to create a component with the same kind of behavior. This could have applications in the emerging field of spintronics.

Physicists take a step closer to building a graphene-based topological insulator

In 2005, condensed matter physicists Charles Kane and Eugene Mele considered the fate of graphene at low temperatures. Their work led to the discovery of a new state of matter dubbed a "topological insulator," which would usher in a new era of materials science.

Discovery of field-induced pair density wave state in high temperature superconductors

Superconductors are quantum materials that are perfect transmitters of electricity and electronic information. Presently, cuprates are the best candidate for highest temperature superconductivity at ambient pressure, operating at approximately -120 °C. Improving this involves understanding competing phases, one of which has now been identified.

Hybrid nanostructure steps up light-harvesting efficiency

Energy is transferred through the structure in a way that boosts its response to light, showing promise for solar cell applications.

One step closer to graphene-based topological insulator

In 2005, condensed matter physicists considered the fate of graphene at low temperatures. Their work led to the discovery of a new state of matter dubbed a 'topological insulator,' which would usher in a new era of materials science.

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