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125 Current news about the topic 2d materials

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Twisted layers of MoS₂ enable the engineering of novel states of matter

“These twisted materials are fascinating as they can be used to engineer novel electronic properties with unprecedented flexibility“

28-Sep-2021

A team of researchers from Germany, China and the United States has discovered that two twisted layers of MoS₂ can be used to control kinetic energy scales in solids. In addition to using the twist angle to control the material’s electronic properties, the researchers have also now demonstrated ...

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Light-induced shape shifting of MXenes

Femtosecond light creates switchable nano-waves in MXenes and moves the materials’ atoms at a record-breaking speed

03-Sep-2021

Ultrafast laser spectroscopy allows to observe the motion of atoms at their natural time scales in the range of femtoseconds, the millionth of a billionth of a second. Electron microscopy, on the other hand, provides atomic spatial resolution. By combining electrons and photons in one instrument, ...

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How ions get their electrons back

What happens when ions are passing through solid materials? It is nearly impossible to observe this directly, but scientists at TU Wien found a way to overcome this problem

17-Aug-2021

Very unusual atomic states are produced at TU Wien: Ions are created by removing not just one but 20 to 40 electrons from each atom. These “highly charged ions” play an important role in current research. For a long time, people have been investigating what happens when such highly charged ions ...

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New light on making two-dimensional polymers

New 2D-materials tailored by self organization and photopolymerisation

11-Jun-2021

An international research team led by members from the Technical University of Munich, the Deutsches Museum, the Linköping University has developed a method to manufacture two-dimensional polymers with the thickness of a single molecule. The polymers are formed on a surface by the action of ...

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Just a few atoms thick: New functional materials developed

Using the smallest "construction set" in the world, a research team is designing new materials for computer chips, light-emitting diodes and solar cells

10-May-2021

They are 50,000 times thinner than a human hair, and just a few atoms thick: two-dimensional materials are the thinnest substances it is possible to make today. They have completely new properties and are regarded as the next major step in modern semiconductor technology. In the future they could ...

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International research team discovers new two-dimensional material using high-pressure technology

Producing a chemical compound in that was previously completely unknown

29-Apr-2021

An international team with researchers from the University of Bayreuth has succeeded for the first time in discovering a previously unknown two-dimensional material by using modern high-pressure technology. The new material, beryllonitrene, consists of regularly arranged nitrogen and beryllium ...

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Synthesis of Large-Area 2D Material

Atomic Layer Pushes Surface Steps Away

28-Apr-2021

Elbow mentality in a two-dimensional material: This has recently been discovered by an international team led by the Center for Nanointegration (CENIDE) at the University of Duisburg-Essen (UDE): The physicists succeeded in creating boron layers with a height of a single atom. While growing, the ...

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2D Nanomaterial MXene: the Perfect Lubricant

In extreme heat or in the vacuum of space: a novel nanomaterial delivers top performance in extreme situations

22-Apr-2021

You can lubricate a bicycle chain with oil, but what do you do with a Mars rover or a red-hot conveyor belt in the steel industry? Very special nanomaterials have now been studied by the TU Wien together with research groups from Saarbrücken (Germany), Purdue University in the USA and the ...

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Less than a nanometer thick, stronger and more versatile than steel

09-Apr-2021

Scientists create stable nanosheets containing boron and hydrogen atoms with potential applications in nanoelectronics and quantum information technology. What's thinner than thin? One answer is two-dimensional materials -- exotic materials of science with length and width but only one or two ...

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Moiré effect: How to twist material properties

2D materials have triggered a boom in materials research. Now it turns out that exciting effects occur when two such layered materials are stacked and slightly twisted

24-Mar-2021

The discovery of the material graphene, which consists of only one layer of carbon atoms, was the starting signal for a global race: Today, so-called "2D materials" are produced, made of different types of atoms. Atomically thin layers that often have very special material properties not found in ...

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