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39 Current news about the topic gallium

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The holy grail of nanowire production

22-Feb-2019

Nanowires have the potential to revolutionize the technology around us. Measuring just 5-100 nanometers in diameter (a nanometer is a millionth of a millimeter), these tiny, needle-shaped crystalline structures can alter how electricity or light passes through them. They can emit, concentrate and ...

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Flat gallium joins roster of new 2-D materials

Scientists introduce gallenene

14-Mar-2018

Scientists at Rice University and the Indian Institute of Science, Bangalore, have discovered a method to make atomically flat gallium that shows promise for nanoscale electronics. The Rice lab of materials scientist Pulickel Ajayan and colleagues in India created two-dimensional gallenene, a ...

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Nanostructures made of previously impossible material

Incorporating high proportions of foreign atoms into crystals

07-Mar-2018

When you bake a cake, you can combine the ingredients in almost any proportions, and they will still always be able to mix together. This is a little more complicated in materials chemistry. Often, the aim is to change the physical properties of a material by adding a certain proportion of an ...

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Application of air-sensitive semiconductors in nanoelectronics

25-Sep-2017

A research group consisting of scientists from Tomsk Polytechnic University, Germany and Venezuela proved vulnerability of a two-dimensional semiconductor gallium selenide in air. This discovery will allow manufacturing superconducting nanoelectronics based on gallium selenide, which has never ...

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Liquid-metal membrane technology to make hydrogen fuel cell vehicles viable

31-Aug-2017

While cars powered by hydrogen fuel cells offer clear advantages over the electric vehicles that are growing in popularity (including their longer range, their lower overall environmental impact, and the fact that they can be refueled in minutes, versus hours of charging time), they have yet to ...

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Nature-inspired material uses liquid reinforcement

11-Jul-2017

Materials scientists at Rice University are looking to nature -- at the discs in human spines and the skin in ocean-diving fish, for example -- for clues about designing materials with seemingly contradictory properties -- flexibility and stiffness. In research graduate student Peter Owuor, ...

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Spinning electrons open the door to future hybrid electronics

04-Jul-2017

A discovery of how to control and transfer spinning electrons paves the way for novel hybrid devices that could outperform existing semiconductor electronics. In a study published in Nature Communications, researchers at Linkoping University in Sweden demonstrate how to combine a commonly used ...

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Perpetual 'ice water': Stable solid-liquid state revealed in nanoparticles

Gallium nanoparticles that are both solid and liquid are stable over a range of 1000 degrees Fahrenheit

05-Aug-2016

Imagine pouring a glass of ice water and having the ice cubes remain unchanged hours later, even under a broiler's heat or in the very back corner of the freezer. That's fundamentally the surprising discovery recently made by an international group of researchers led by an electrical engineering ...

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Switch and stick

20-May-2016

Some adhesives may soon have a metallic sheen and be particularly easy to unstick. Researchers at the Max Planck Institute for Intelligent Systems in Stuttgart are suggesting gallium as just such a reversible adhesive. By inducing slight changes in temperature, they can control whether a layer of ...

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Stretchable electronics that quadruple in length

02-Mar-2016

Conductive tracks are usually hard printed on a board. But those recently developed at EPFL are altogether different: they are almost as flexible as rubber and can be stretched up to four times their original length and in all directions. And they can be stretched a million times without cracking ...

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