Physics

Using neural networks for faster X-ray imaging

A team of scientists from Argonne is using artificial intelligence to decode X-ray images faster, which could aid innovations in medicine, materials and energy.

Trapping light without back reflections

Researchers demonstrate a new technique for suppressing back reflections of light, leading to better signal quality for sensing and information technology.

Physicists get closer to examining the symmetries underlying our universe

Every field has its underlying principles. For economics it's the rational actor; biology has the theory of evolution; modern geology rests on the bedrock of plate tectonics.

No disassembly required: Non-destructive method to measure carrier lifetime in SiC

Silicon carbide (SiC), a versatile and resistant material that exists in multiple crystalline forms, has attracted much attention thanks to its unique electronic properties. From its use in the first LED devices, to its applications in high-voltage devices with low power losses, SiC displays exceptional semiconductor behavior. So far, the operating voltages for unipolar SiC devices are below 3.3 kV.

The realization of a single-quantum-dot heat valve

While many research teams worldwide are trying to develop highly performing quantum computers, some are working on tools to control the flow of heat inside of them. Just like conventional computers, in fact, quantum computers can heat up significantly as they are operating, which can ultimately damage both the devices and their surroundings.

2D compound shows unique versatility

A unique two-dimensional material shows distinct properties on each side, depending on polarization by an external electric field. The pairing of antimony and indium selenide could have applications in solar energy and quantum computing.

New one-step process for creating self-assembled metamaterials

A team has discovered a groundbreaking one-step process for creating materials with unique properties, called metamaterials.

A new approach to film atoms and molecules vibrating inside solids

Theoretical and experimental scientists have come together to watch solids vibrate.

'Galaxy-sized' observatory sees potential hints of gravitational waves

Scientists believe that planets like Earth bob in a sea of gravitational waves that spread throughout the universe. Now, an international team has gotten closer than ever before to detecting those cosmic ripples.

A charge-density-wave topological semimetal

Topological materials are characterized by unique electronic and physical properties that are determined by the underlying topology of their electronic systems. Scientists from the Max Planck Institutes for Microstructure Physics (Halle) and for Chemical Physics of Solids (Dresden) have now discovered that (TaSe4)2I is the first material in which a charge density wave induces a phase transition between the semimetal to insulator state.

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