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Twisted crystals open door to smaller, more powerful optical devices

Twisted crystals open door to smaller, more powerful optical devices

Twisted crystals open door to smaller, more powerful optical devices

In twisted moiré photonic crystals, how the layers twist and overlap can change how the material interact with light. By changing the twist angle and the spacing between layers, these materials can be fine-tuned to control and manipulate different aspects of light simultaneously — meaning the multiple optical components typically needed to simultaneous measure light’s phase, polarization, and wavelength could be replaced with one device.

Material Science

Apr 10, 20253 min read

Groundbreaking research, led by experts from the University of Exeter, would revolutionize the field of data storage, through the development of laser-driven magnetic domain memories.

Groundbreaking research, led by experts from the University of Exeter, would revolutionize the field of data storage, through the development of laser-driven magnetic domain memories.

Scientists achieve breakthrough in harnessing heat to control magnetism in 2D materials

Groundbreaking research led by Dr. Maciej Dąbrowski at the University of Exeter has developed ultrafast, laser-driven magnetic domain mem...

Material Science

Apr 9, 20252 min read

a) Molecular structures of ketocyanine dyes used in this work (Cyn1, Cyn2, Cyn3); b) scheme of the designed three-component thermochromic material, made of PCM, ketocyanine dye (Cyn3 was drawn as an example), and color developer, and the expected thermochromic transition through keto-enol equilibrium.

a) Molecular structures of ketocyanine dyes used in this work (Cyn1, Cyn2, Cyn3); b) scheme of the designed three-component thermochromic material, made of PCM, ketocyanine dye (Cyn3 was drawn as an example), and color developer, and the expected thermochromic transition through keto-enol equilibrium.

Major advance in the development of next-generation thermochromic materials

Scientists at ICN2 have developed an innovative material based on a solution of fluorescent dyes (ketocyanines) and phase-change material...

Material Science

Apr 8, 20252 min read

An electron micrograph shows nanometer-thick kirigami structures that highlight the advantages of using rippled metamaterials as structural films. The incorporation of rippled metamaterials allows for enhanced control over the final three-dimensional architecture.

An electron micrograph shows nanometer-thick kirigami structures that highlight the advantages of using rippled metamaterials as structural films. The incorporation of rippled metamaterials allows for enhanced control over the final three-dimensional architecture.

New research examines how nanoscopic ripples affect material properties

Using a semiconductor manufacturing process, the team created alumina structures 28 nanometers thick (more than 1,000 times thinner than...

Material Science

Apr 8, 20252 min read

Ultrafast disruption of superconductivity in a YBa₂Cu₃O₇ thin film triggers an abrupt magnetic field quench, setting off dynamics in a neighboring spin system.

Ultrafast disruption of superconductivity in a YBa₂Cu₃O₇ thin film triggers an abrupt magnetic field quench, setting off dynamics in a neighboring spin system.

A new wave in ultrafast magnetic control

The research team designed a novel superconducting device capable of producing ultrafast, unipolar magnetic field steps—sudden magnetic c...

Material Science

Apr 4, 20252 min read

Illustration of the laser-induced transformation of diamond into planar-oriented graphite, with interfacial thermal stress control, followed by mechanical cleavage into graphene, ultimately achieving precise graphenization of ultra-thin diamond coatings. The resulting surface exhibits significantly enhanced frictional performance and good toughness at the nanometer scale.

Illustration of the laser-induced transformation of diamond into planar-oriented graphite, with interfacial thermal stress control, followed by mechanical cleavage into graphene, ultimately achieving precise graphenization of ultra-thin diamond coatings. The resulting surface exhibits significantly enhanced frictional performance and good toughness at the nanometer scale.

Precise graphenization of ultra-thin diamond coatings achieved without substrate damage

Researchers from Nanjing University of Aeronautics and Astronautics (NUAA) have successfully overcome the thickness limitations of diamon...

Material Science

Apr 4, 20253 min read

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