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117 Current news about the topic 2d materials

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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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Electrons in a plaster

Researchers have tailored the mutual interaction of electrons in an atomically thin solid by simply covering it with a crystal featuring hand-picked lattice dynamics

24-Mar-2021

In a cubic centimeter of a solid there are typically 10²³ electrons. In this massive many-body system, seemingly simple pairwise electron-electron interaction can cause extremely complex correlations and exotic behavior, such as superconductivity. This quantum phenomenon turns a solid into a ...

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Compression or strain – the material expands always the same

Regardless if strained or compressed, the new material always expands

08-Mar-2021

An international research team led by chemist Prof. Thomas Heine of TU Dresden has discovered a new two-dimensional material with unprecedented properties: regardless if it is strained or compressed, it always expands. This so-called half-auxetic behavior has not been observed before and is ...

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Vibrating 2D Materials

An international research team now has determined for the first time how strongly 2D materials vibrate when electronically excited with light

15-Feb-2021

Current electronic components in computers, mobile phones and many other devices are based on microstructured silicon carriers. However, this technology has almost reached its physical limits and the smallest possible structure sizes. Two-dimensional (2D) materials are therefore being intensively ...

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Fine tuned: adjusting the composition and properties of semiconducting 2D alloys

Scientists experimentally realize 2D Si-Ge alloys with tunable electronic properties, getting us closer to a breakthrough in modern electronics

05-Feb-2021

Semiconducting 2D alloys could be key to overcoming the technical limitations of modern electronics. Although 2D Si-Ge alloys would have interesting properties for this purpose, they were only predicted theoretically. Now, scientists from Japan Advanced Institute of Science and Technology have ...

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Mapping quantum structures with light to unlock their capabilities

07-Dec-2020

A new tool that uses light to map out the electronic structures of crystals could reveal the capabilities of emerging quantum materials and pave the way for advanced energy technologies and quantum computers, according to researchers at the University of Michigan, the University of Regensburg and ...

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Blue phosphorus: How a semiconductor becomes a metal

09-Nov-2020

Blue phosphorus, an atomically thin synthetic semiconductor, becomes metallic as soon as it is converted into a double layer. This has been discovered by an interdisciplinary team led by Prof Thomas Heine from TU Dresden and Prof Gabriel Merino from the Mexican research institute Cinvestav ...

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Scientists find path to nanodiamond from graphene

A spot of pressure enables chemical conversion to hardened 2D material

02-Nov-2020

Marrying two layers of graphene is an easy route to the blissful formation of nanoscale diamond, but sometimes thicker is better. While it may only take a bit of heat to turn a treated bilayer of the ultrathin material into a cubic lattice of diamane, a bit of pressure in just the right place can ...

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How to make perfect edges in 2D-materials

Researchers tailored the materials’ properties by using a “magic” chemical and founded a start-up company

20-Oct-2020

Ultrathin materials such as graphene promise a revolution in nanoscience and technology. Researchers at Chalmers University of Technology, Sweden, have now made an important advance within the field. In a recent paper in Nature Communications they present a method for controlling the edges of ...

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