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Analytical Chemistry 6 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 ...

Nanomaterials Apr 18, 2024

Novel material supercharges innovation in electrostatic energy storage

Electrostatic capacitors play a crucial role in modern electronics. They enable ultrafast charging and discharging, providing energy storage and power for devices ranging from smartphones, laptops and routers to medical devices, ...

Space Exploration Apr 17, 2024

NASA Goddard to build quake detector for Artemis III moon landing

NASA's Goddard Space Flight Center in Greenbelt, Maryland, will build a moonquake detector for astronauts to deploy on the moon in 2026 during the Artemis III mission, which will return astronauts to the lunar surface for ...

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 ...

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 ...

Optics & Photonics Apr 1, 2024

A novel liquid crystal-based tunable dielectric metasurface

Dielectric metasurfaces represent one of the cutting-edge research and application directions in optics. They not only possess the advantage of low loss but also enable the realization of device thicknesses at subwavelength ...

Optics & Photonics Apr 1, 2024

Team demonstrates an ultra-broadband tunable terahertz absorber of graphene and hierarchical plasmonic metamaterials

Perfect absorption arises from the strong interaction of valence electrons with light in a conducting material. Optical metamaterial is an effective approach to exploit the superior photon capture capability. Thus, the perfect ...

Space Exploration Mar 27, 2024

NASA selects first lunar instruments for Artemis astronaut deployment

NASA has chosen the first science instruments designed for astronauts to deploy on the surface of the moon during Artemis III. Once installed near the lunar South Pole, the three instruments will collect valuable scientific ...

Nanomaterials Mar 26, 2024

Construction of dual heterogeneous interface between zigzag-like Mo-MXene nanofibers and small CoNi@NC nanoparticles

Two-dimensional transition metal carbides (MXene) possess attractive conductivity and abundant surface functional groups, providing immense potential in the field of electromagnetic wave (EMW) absorption. However, high conductivity ...

Optics & Photonics Mar 23, 2024

Research team proposes a novel type of acoustic crystal with smooth, continuous changes in elastic properties

In dim light a cat sees much better than you do, as do dogs and nocturnal animals. That's because the structure of a cat's eye has a tapetum lucidum, a mirror-like layer immediately behind the retina. Light entering the eye ...

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