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Analytical Chemistry 10 hours ago

Towards novel promising perovskite-type ferroelectric materials: High-pressure synthesis of rubidium niobate

Capacitors are crucial components in electronic devices such as smartphones and computers. They are made of dielectric materials that polarize on the application of the voltage. Currently, barium titanate (BaTiO3) is the ...

Environment 12 hours ago

Escape the vapes: Scientists call for global shift to curb consumer use of disposable technologies

Scientists have called for a concerted global effort to stem the tide of disposable electronic technologies—such as vapes—contributing to international waste accumulation and environmental degradation.

Condensed Matter Apr 24, 2024

A shade closer to more efficient organic photovoltaics

Transparent solar cells will transform the look of infrastructure by enabling many more surfaces to become solar panels. Now, materials called non-fullerene acceptors that can intrinsically generate charges when exposed to ...

Condensed Matter Apr 24, 2024

A novel universal light-based technique to control valley polarization in bulk materials

Electrons inside solid materials can only take certain values of energy. The allowed energy ranges are called "bands," and the space between them, the forbidden energies, is known as "band gaps." Both of them together constitute ...

Bio & Medicine Apr 24, 2024

Bioelectronic chip detects vitamins C and D in saliva in under 20 minutes

Researchers at the University of São Paulo (USP) in Brazil have developed a bioelectronic chip that simultaneously detects vitamins C and D in body fluids. It is flexible and easy to see and can be adapted for use in a wearable ...

Nanophysics Apr 24, 2024

Scientists reveal working mechanism of multilayer MoS₂ photodetector with broad spectral range and multiband response

As a typical two-dimensional material, MoS2 exhibits unique optical and electrical properties due to its atomic thickness in the vertical dimension, making it a research hotspot in the field of optoelectronic detection.

Superconductivity Apr 24, 2024

Scientists develop novel one-dimensional superconductor

In a significant development in the field of superconductivity, researchers at The University of Manchester have successfully achieved robust superconductivity in high magnetic fields using a newly created one-dimensional ...

Optics & Photonics Apr 24, 2024

Light stands still in a deformed crystal

AMOLF researchers, in collaboration with Delft University of Technology, have succeeded in bringing light waves to a halt by deforming the two-dimensional photonic crystal that contains them. The researchers show that even ...

General Physics Apr 23, 2024

How light can vaporize water without the need for heat

It's the most fundamental of processes—the evaporation of water from the surfaces of oceans and lakes, the burning off of fog in the morning sun, and the drying of briny ponds that leaves solid salt behind. Evaporation ...

Bio & Medicine Apr 23, 2024

New nanocomposite from papaya peel waste exhibits promising photocatalytic and antibacterial activity

In a significant leap towards sustainable environmental management and antimicrobial strategies, a team of international researchers has successfully synthesized a fluorescent carbon dot (CD) and reduced graphene oxide (RGO) ...

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