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Energy flow changes reactions

October 23, 2026

The pressure dependence of chemical reactions shows the interrelationship between collisional energy transfer and reactivity and is an important window into understanding how energy flow affects reaction systems. CRF researcher Leonid Sheps, together with colleagues from the University of Texas at El Paso and Argonne National Laboratory, carried out an investigation of pressure effects on…

Announcements, Blog, News, Uncategorized
Quantitative measurements of the evolution of reactive species in microdischarges

October 15, 2026

Quantitative measurements of the evolution of reactive species in microdischarges

Announcements, Blog, Combustion Chemistry, News, Uncategorized
A closer look at a gateway reaction for soot formation

October 13, 2026

The formation of the first aromatic ring is a crucial step in the production of soot from combustion of aliphatic fuels. As a long history of CRF research shows, reactions of resonance-stabilized radicals, especially the propargyl radical, are key participants in that step. CRF researcher Nils Hansen, together with colleagues from the DLR for Combustion…

Announcements, Blog, Combustion Chemistry, Engine Combustion, News, Uncategorized
Accelerating discovery by more efficient coupling of theory and experiment

October 7, 2026

Coordinating effort across modeling, experiment, and theory is a powerful paradigm for discovery of fundamental interactions within complex reaction systems. Linking the experiment reliably to the most fundamental explanations can be challenging, however. CRF researchers Clement Soulié, Judit Zádor, and Leonid Sheps have taken an important step towards making these links more direct with their…

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A quantitative look at electron collisions with excited state molecules

September 9, 2026

The details of electron interactions with excited-state molecules can be important in plasma processes but are experimentally elusive. CRF researchers Jonathan Frank and Dave Chandler, together with postdocs Haw-Wei Lin and Eric Smoll, developed a way to measure these interactions and employed it in their paper “Electron-ionization-dissociation dynamics of laser-excited SO2 (B 1B1/A 1A2) studied using velocity map imaging,” published in “The Journal of Chemical Physics”.…

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Laser-Driven Control of Bond-Breaking

September 3, 2026

Controlling the course of a chemical reaction by mode-selective laser excitation is typically thwarted by the rapid delocalization of the energy, especially in large molecules. CRF researchers Tim Zwier, Kendrew Au, Chin Lee, and Kyung-Chul Woo, together with colleagues from Purdue University, University of Nevada, Reno, and Fairfield University, discovered a method for steering quantum tunneling…

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Molecular Cage Adapts its Shape to its Contents

September 3, 2026

Molecular cages that sequester certain ions can be important for designing new strategies for selective capture of critical elements from aqueous solution. Using advanced theory and unique spectroscopy methods available at Sandia, CRF researchers Tim Zwier, Chin Lee, and Kendrew Au, together with Sandia colleague Jessica Rimsza and collaborators from LANL, Texas A&M, and the University…

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Theory of the tunneling ‘switch’

August 27, 2026

CRF researcher Timothy Zwier, together with Edwin Sibert from the University of Wisconsin-Madison, published a paper on “On the role of symmetry in quenching OH tunneling in 2,6-dimethylphenol” in “The Journal of Chemical Physics”, providing more detailed theoretical descriptions of recent experiments that were interpreted to show that certain symmetry states of neighboring methyl groups could…

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CRF Recognizes Researchers for Outstanding Contributions

August 5, 2026

CRF Recognizes Researchers for Outstanding Contributions

Announcements, Awards, Blog, News, Uncategorized
Plasma-assisted conversion of siloxanes

July 23, 2026

Siloxanes (organosilicon compounds with silicon–oxygen (Si–O–Si) structures) have a broad range of technology applications, and understanding their chemical transformations is important both for industrial uses and for managing their disposal. Emma Litzer and Nils Hansen, together with colleagues Tanvir I. Farouk, Prangan Nandy, Raziya S. Chowdhury and Shamia Hoque from the University of South Carolina,…

Announcements, Blog, Diagnostics, News, Uncategorized

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