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13 Current news about the topic laser spectroscopyrss
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How the investigation of ion oscillations can lead to better batteries
Electrolytes play a key role in many areas: They are crucial for the storage of energy in our body as well as in batteries. In order to release energy, ions - charged atoms - must move in a liquid such as water. Until now the precise mechanism by which they move through the atoms and molecules of ...
How a molecule moves in the protective environment of a quantum fluid
Markus Koch, head of the research group Femtosecond Dynamics at the Institute of Experimental Physics at TU Graz, and his team develop new methods for time-resolved femtosecond laser spectroscopy to investigate ultrafast processes in molecular systems. In 2018 the group demonstrated for the first ...
Greenhouse gas emissions from soil
Thanks to a newly developed laser spectrometer, Empa researchers can for the first time show which processes in grassland lead to nitrous oxide emissions. The aim is to reduce emissions of this potent greenhouse gas by gaining a better understanding of the processes taking place in the soil. ...
Researchers quantify rare CO2 variants using laser spectroscopy
For the first time it is possible to measure, simultaneously and with extreme precision, four rare molecular variants of carbon dioxide (CO2) using a novel laser instrument. It is thus able to measure the temperature during the formation of CO2-binding carbonates and carbonaceous fossils ...
Michigan State University researchers have measured for the first time the nuclei of three proton-rich calcium isotopes. One of the most fundamental properties of the nucleus is its size. The nuclear radius generally increases with the number of proton and neutron constituents. However, when ...
Appreciation of the research in laser physics
The researchersArthur Ashkin and Gérard Mourou and Donna Strickland were announced today as this year's winners of the Nobel Prize for Physics. Their achievements in the field of laser physics was groundbreaking and worthy of the Nobel Prize Committee's appreciation. The discovery of optical ...
Observe the movement of electrons during chemical reactions in slow motion
ETH researchers succeeded in shortening the pulse duration of an X‑ray laser to only 43 attoseconds. With a time resolution in the range of a few quintillionths of a second, they are now able for the first time to observe the movement of electrons during chemical reactions in slow motion. In ...
Picture two schools of fish swimming in clockwise and counterclockwise circles. It's enough to make your head spin, and now scientists at Rutgers University-New Brunswick and the University of Florida have discovered the "chiral spin mode" - a sea of electrons spinning in opposing circles. "We ...
Molecules from the solvent environment that at first glance seem to be uninvolved can be essential for chemical reactions. This has been shown by researchers studying the formation of an ether in pure solvents and in their mixtures. They explained the underlying mechanisms in detail using ...
Researchers determine the energy and map the structure of a chemical reaction’s transition state
For the first time, MIT chemists have measured the energy of the transition state of a chemical reaction — a fleeting, unstable state that is a reaction’s point of no return. Chemists have long believed it impossible to experimentally characterize transition states, but the MIT team achieved it ...