Researchers drew attention three years ago when they reported that a two-dimensional perovskite—a material with a specific crystal structure—composed of cesium, lead and bromine emitted a strong green light. Crystals ...
Condensed Matter
Jun 24, 2019
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Physicists at The University of Texas at Arlington have developed a new technique that can measure the properties of the topmost atomic layer of materials without including information from the underlying layers.
General Physics
Nov 11, 2022
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19
(Phys.org)—Research at SLAC National Accelerator Laboratory demonstrates that ultrashort, ultrabright X-ray laser pulses can reveal details of chemically important molecules at room temperature and in their natural state. ...
General Physics
Nov 6, 2012
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(PhysOrg.com) -- In 2008, a team of investigators at Stanford University's Center for Cancer Nanotechnology Excellence demonstrated that they could use a technique known as nanoparticle-aided Raman spectroscopy to look at ...
Bio & Medicine
Jun 28, 2011
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Limit values for fine dust emissions are based on total particle weight. It is the ultra-fine particles, however, that are particularly harmful to health. A new technique separates them by size and identifies their composition ...
Engineering
Oct 5, 2009
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A study from the Instituto de Astrofísica de Canarias (IAC) which combines laboratory chemistry with astrophysics, has shown for the first time that grains of dust formed by carbon and hydrogen in a highly disordered state, ...
Astronomy
Mar 27, 2024
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269
(Phys.org) -- Sometimes to answer big questions, you need to start small-very small. Scientists from Pacific Northwest National Laboratory's Chemical Imaging Initiative did just that when they analyzed cadmium selenide, or ...
Bio & Medicine
May 31, 2012
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Terahertz (THz) emission spectroscopy has emerged as a valuable technique for investigating static physical properties as well as ultrafast dynamics occurring in novel material systems that may remain hidden to other probes.
Optics & Photonics
Jun 1, 2023
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While spectroscopic measurements are normally averaged over myriad molecules, a new method developed by researchers at the Technical University of Munich (TUM) provides precise information about the interaction of individual ...
Analytical Chemistry
Mar 8, 2019
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110
(Phys.org) -- A team of DOE researchers from the Laboratory, Lawrence Berkeley and Los Alamos national laboratories and SLAC National Accelerator Laboratory, studying the fundamental properties of the actinide elements, has ...
Condensed Matter
Aug 10, 2012
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