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Deciphering Dance Of Electrons And Water Molecules

Deciphering Dance Of Electrons And Water Molecules
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Alfredo pasquarelloSimons centerComputational physical chemistry at new york universityJinggang lanMajed cherguiComputational physical chemistryNew york

Deciphering a dance of electrons and water molecules

Deciphering a dance of electrons and water molecules
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Alfredo pasquarelloSimons centerNature communicationsComputational physical chemistry at new york universityJinggang lanMajed cherguiComputational physical chemistryNew york

Tracking chirality in real time

Scientists at EPFL have developed a new laser-based technique that can measure ultrafast changes in the structural symmetry of molecules, called chirality, tracking their conformational shifts in .

Francesco zinnaUniversity of pisaUniversity of genevaMalte oppermannMajed cherguiChiral analysisCircular dichroismPin cross over

Uniquely sharp X-ray view

Credit: Paul Scherrer Institute/Mahir Dzambegovic Researchers at the Paul Scherrer Institute PSI have succeeded for the first time in looking inside materials using the method of transient grating spectroscopy with ultrafast X-rays at SwissFEL. The experiment at PSI is a milestone in observing processes in the world of atoms. The researchers are publishing their research results today in the journal Nature Photonics. The structures on microchips are becoming ever tinier; hard disks write entire encyclopedias on magnetic disks the size of a fingernail. Many technologies are currently breaking through the boundaries of classical physics. But in the nanoworld, other laws apply - those of quantum physics. And there are still many unanswered questions: How does heat actually travel through a semiconductor material at the nanoscale? What exactly happens when individual bits are magnetised in a computer hard disk, and how fast can we write? There are still no answers to these and many

United statesSwitzerland generalPhilip johnsonAndre al haddadCristian svetinaDmitry ozerovMax burianAldo mozzanicaJeremy rouxelFrieder kochLaura fogliaAdam kubecGeorgios pamfilidisRenato torreFlorian doringFilippo bencivenga

Transport phenomena at the nanoscale

E-Mail IMAGE: A pulsed beam of X-rays is incident on a diamond mask (blue), creating a grating of excitation on the sample. A laser beam (thin blue line on the right) is. view more Credit: Ella Maru Studio (https://scientific-illustrations.com) Transient grating spectroscopy is an elegant method that uses two laser pulses to activate a medium by creating an interference pattern made of parallel stripes of excitations that can be thermal, electronic, magnetic or even structural. The modulation depth of the pattern and its evolution can be measured by diffracting a third, time-delayed probe beam on the transient grating.

Florence renato torreKeith nelsonClaudio masciovecchioCris svetinaEuropean laboratory for nonSwiss national science foundationUs department of energyMajed cherguiEuropean laboratoryNon linear spectroscopyRenato torreSwissx ray free electron laserNature photonicsNational science foundationCurie grantகேய்ட் நெல்சன்