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Strain-free epitaxy of germanium film on mica

Germanium, an elemental semiconductor, was the material of choice in the early history of electronic devices, before it was largely replaced by silicon. But due to its high charge carrier mobility—higher than silicon by ...

dateNov 17, 2017 in Condensed Matter
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The stacked color sensor

Red-sensitive, blue-sensitive and green-sensitive color sensors stacked on top of each other instead of being lined up in a mosaic pattern – this principle could allow image sensors with unprecedented resolution and sensitivity ...

dateNov 16, 2017 in Optics & Photonics
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LHC achieves record luminosity

It's the end of the road for the protons this year after a magnificent performance from the Large Hadron Collider (LHC). On Friday, the final beams of the 2017 proton run circulated in the LHC. The run ended, as it does every ...

dateNov 14, 2017 in General Physics
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Researchers take next step toward fusion energy

Fusion is the process that powers the sun, harnessing it on Earth would provide unlimited clean energy. However, researchers say that constructing a fusion power plant has proven to be a daunting task, in no small part because ...

dateNov 13, 2017 in General Physics
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The path length of light in opaque media

A seemingly paradoxical prediction in physics has now been confirmed in an experiment: No matter whether an object is opaque or transparent, the average length of the light's paths through the object is always the same.

dateNov 10, 2017 in Optics & Photonics
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Researchers tunnel to a new light source

With concerns over moving to a clean energy platform worldwide with electric vehicles and renewables, wasted energy is a factor as important as the amount of green energy produced. Thus, solid-state lighting based upon light-emitting ...

Researcher sketches a path toward quantum computing

As new devices move quantum computing closer to practical use, the journal Nature recently asked Princeton computer scientist Margaret Martonosi and two colleagues to assess the state of software needed to exploit this powerful ...

Spinning cylinders to recreate nature's patterns

Some of nature's most exquisite patterns; leaves around a plant's stem, scales on a pine cone, and the tail of some viruses, consist of small objects decorating a cylindrical chassis with a specific pattern. Nature's preferred ...

Micro-spectroscopy opens new routes for diagnostics

Just as mechanical properties and chemical compositions of materials are of fundamental importance in buildings, the cells that comprise every living organism have different properties and shapes depending on their function ...

Researchers explore how atoms align in magnetic materials

The atoms inside materials are not always perfectly ordered, as usually depicted in models. In magnetic, ferroelectric (or showing electric polarity) and alloy materials, there is competition between random arrangement of ...

Simple is beautiful in quantum computing

Quantum computing could solve problems impossible for today's supercomputers. The challenge for this new form of computing is processing the quantum bits (qubits) that represent data. A qubit can be made by controlling the ...

Microscopic structures for vibration-resistant plugs

Everyone has probably had a problem with loose contacts at some point. Electronic equipment malfunctioning is often caused by poor plug connections. In particular in the automotive industry, where electronics are increasingly ...

Physicists mix waves on superconducting qubits

Physicists from the Moscow Institute of Physics and Technology (MIPT) and Royal Holloway, University of London, have demonstrated an effect known as quantum wave mixing on an artificial atom. Their results, published in the ...

The unbelievable speed of electron emission from an atom

In a unique experiment, researchers have clocked how long it takes for an electron to be emitted from an atom. The result is 0.000 000 000 000 000 02 seconds, or 20 billionths of a billionth of a second. The researchers' ...

Monopole current offers way to control magnets

In work published in Physical Review Letters, scientists from RIKEN in Japan have discovered interesting new magnetic properties of a type of materials known as "quantum spin ice." These materials demonstrate interesting ...

New paper answers causation conundrum
The astonishing efficiency of life
Solar minimum surprisingly constant
The spliceosome—now available in high definition
New method analyzes corn kernel characteristics

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