Search results for anisotropic

Optics & Photonics Apr 22, 2024

Realization of an ideal omnidirectional invisibility cloak in free space

A team led by Prof. Dexin Ye and Prof. Hongsheng Chen from Zhejiang University, and Prof. Yu Luo from Nanyang Technological University conducted research on the practical implementation of full-parameter transformation optical ...

General Physics Apr 15, 2024

Study uses thermodynamics to describe expansion of the universe

The idea that the universe is expanding dates from almost a century ago. It was first put forward by Belgian cosmologist Georges Lemaître (1894–1966) in 1927 and confirmed observationally by American astronomer Edwin Hubble ...

Nanomaterials May 22, 2024

Improving MgH₂ hydrogen storage with oxygen vacancy-enriched H-V₂O₅ nanosheets as an active H-pump

With the depletion of fossil fuels and global warming, there is an urgent need to seek green, clean, and efficient energy resources. Against this backdrop, hydrogen is considered a potential candidate for replacing fossil ...

Condensed Matter May 8, 2024

Fundamental and photodetector application of van der Waals Schottky junctions

The junction composed of traditional metals and 2D semiconductors is a key component of semiconductor devices.

Analytical Chemistry Apr 25, 2024

Freeze casting—a guide to creating hierarchically structured materials

Freeze casting is an elegant, cost-effective manufacturing technique to produce highly porous materials with custom-designed hierarchical architectures, well-defined pore orientation, and multifunctional surface structures. ...

Optics & Photonics Apr 11, 2024

A compact metasurface array-based system for single-shot spectroscopic ellipsometry measurement

Spectroscopic ellipsometry is widely adopted in semiconductor processing, such as in the manufacturing of integrated circuits, flat display panels, and solar cells. However, a conventional spectroscopic ellipsometer, as shown ...

Astronomy Apr 5, 2024

Astronomers detect potential 'glory effect' on a hellish distant world for the first time

Potential signs of the rainbow-like "glory effect" have been detected on a planet outside our solar system. Glory are colorful concentric rings of light that occur only under peculiar conditions.

Plants & Animals Apr 4, 2024

Chinese scientists reveal the spinning mechanism of the silkworm

Mulberry silk is a natural protein fiber that is light, soft and fine in nature, known as the "second skin of the human body" and "Queen of fibers." China is the origin of the world's sericulture industry.

Nanomaterials Apr 4, 2024

Biodegradable aerogel: Airy cellulose from a 3D printer

At first glance, biodegradable materials, inks for 3D printing and aerogels don't seem to have much in common. All three have great potential for the future; however, "green" materials do not pollute the environment, 3D printing ...

Nanophysics Jan 19, 2024

Black phosphorus propels spintronics with exceptional anisotropic spin transport

With modern electronic devices approaching the limits of Moore's law and the ongoing challenge of power dissipation in integrated circuit design, there is a need to explore alternative technologies beyond traditional electronics. ...

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