Search results for materials characterization studies

Nanophysics May 17, 2024

Study shows optical excitation of hot carriers enables ultrafast dynamic control of nanoscale plasmons

Photonic computing, storage, and communication are the foundation for future photonic chips and all-optical neural networks. Nanoscale plasmons, with their ultrafast response speed and ultrasmall mode volume, play an important ...

Analytical Chemistry May 16, 2024

Ion swap dramatically improves performance of CO₂-defeating catalyst

A team of scientists led by the Department of Energy's Oak Ridge National Laboratory has found an unconventional way to improve catalysts made of more than one material. The solution demonstrates a path to designing catalysts ...

Analytical Chemistry May 16, 2024

Shedding light on perovskite hydrides using a new deposition technique

Perovskites are currently a hot topic in materials science due to their remarkable properties and potential applications, including sustainable energy technologies, catalysis, and optoelectronics, to name a few.

Planetary Sciences May 15, 2024

NASA's Juno provides high-definition views of Europa's icy shell

Images from the JunoCam visible-light camera aboard NASA's Juno spacecraft supports the theory that the icy crust at the north and south poles of Jupiter's moon Europa is not where it used to be. Another high-resolution picture ...

Analytical Chemistry May 15, 2024

First direct imaging of radioactive cesium atoms in environmental samples

Thirteen years after the nuclear disaster at the Fukushima Daiichi Nuclear Power Plant (FDNPP), a breakthrough in analysis has permitted a world first: direct imaging of radioactive cesium (Cs) atoms in environmental samples.

Analytical Chemistry May 15, 2024

How high-pressure techniques can induce changes in crystalline materials

In an article published in Chemistry of Materials Oakland University Associate Professor of Physics Yuejian Wang explored how high-pressure techniques can induce changes in certain crystalline materials, similar to the way ...

Analytical Chemistry May 14, 2024

Researchers propose deep blue OLED design exhibiting BT.2020 color gamut

A research team proposes a novel design in deep blue organic light-emitting diode (OLED) which realizes a series of highly efficient luminescent compounds closely aligned with the BT.2020 blue light standard. The study was ...

Analytical Chemistry May 14, 2024

Exploring interface phenomena for more durable and effective nickel–tungsten alloys

Alloying is a key process in creating new materials. By combining metals with desirable traits, scientists can produce alloys with suitable properties. For example, stainless steel, formed by combining iron with chromium, ...

Astrobiology May 13, 2024

Discovery of biomarkers in space—conditions on Saturn's moon Enceladus simulated in the laboratory

In 2018, very large organic molecules were discovered in ice particles on Saturn's moon Enceladus. It is still unclear whether they indicate the existence of life or were created in some other way. A recent study could help ...

Condensed Matter May 13, 2024

Spectral evidence found for Dirac spinons in a kagome lattice antiferromagnet

A new study, published in a recent issue of Nature Physics, sheds light on the long-anticipated emergence of quasiparticles, akin to the famous Dirac particles obeying the relativistic Dirac equation. These quasiparticles, ...

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