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Political science 18 hours ago

International balance of power determined by Chinese control over emerging technologies, study shows

The fierce competition between China and the United States of America for control of emerging technologies such as AI and 5G will determine the international balance of power, a new study says.

Analytical Chemistry 19 hours ago

Preparation of single-atom catalysts for highly sensitive gas detecting

Gas sensors have been widely applied in areas such as medical health, environmental monitoring, and food safety. However, current gas sensors still face several challenges, including low sensitivity, long response and recovery ...

Condensed Matter Apr 22, 2024

Study shows ultra-thin two-dimensional materials can rotate the polarization of visible light

It has been known for centuries that light exhibits wave-like behavior in certain situations. Some materials are able to rotate the polarization, i.e. the direction of oscillation, of the light wave when the light passes ...

Nanomaterials Apr 19, 2024

Development of organic semiconductors featuring ultrafast electrons

Scientists have created conducting two-dimensional polymers exhibiting electron mobility comparable to graphene. Their research has been featured in the online edition of Chem.

Nanophysics Apr 19, 2024

Comprehensive model unravels quantum-mechanical effects behind photoluminescence in thin gold films

EPFL researchers have developed the first comprehensive model of the quantum-mechanical effects behind photoluminescence in thin gold films; a discovery that could drive the development of solar fuels and batteries.

Nanophysics Apr 18, 2024

Thermal properties of new 2D materials for microchips can now be measured well

Making ever smaller and more powerful chips requires new ultrathin materials: 2D materials that are only 1 atom thick, or even just a couple of atoms. Think about graphene or ultra-thin silicon membrane for instance.

Condensed Matter Apr 17, 2024

Beyond equilibrium: Scientists investigate Floquet Fermi liquids

Researchers from Germany and Singapore have studied a non-equilibrium state of Fermi liquids called the Floquet Fermi liquid (FFL), which is formed when Fermi liquids are subjected to a periodic driving force and kept in ...

Nanophysics Apr 16, 2024

Evidence for reversible oxygen ion movement during electrical pulsing: Emerging ferroelectricity in binary oxides

Ferroelectric binary oxides thin films are garnering attention for their superior compatibility over traditional perovskite-based ferroelectric materials. Its compatibility and scalability within the CMOS framework make it ...

Nanomaterials Apr 16, 2024

A single atom layer of gold—researchers create goldene

For the first time, scientists have managed to create sheets of gold only a single atom layer thick. The material has been termed goldene. According to researchers from Linköping University, Sweden, this has given the gold ...

Analytical Chemistry Apr 12, 2024

A novel machine learning model for the characterization of material surfaces

Machine learning (ML) enables the accurate and efficient computation of fundamental electronic properties of binary and ternary oxide surfaces, as shown by scientists from Tokyo Tech. Their ML-based model could be extended ...

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