Chemistry

Scientists visualize missing electrons during molecular decay for first time

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Researchers have successfully captured real-space images of the electron-pair density hole that forms during the Auger-Meitner decay process in molecules. This phenomenon occurs when an inner-shell electron is removed, creating a vacancy that leads to a cascading electron rearrangement. The study demonstrates direct visualization of the correlated electron dynamics and the resulting charge redistribution in molecules following core-shell ionization, providing unprecedented spatial resolution of this fundamental quantum mechanical process.


This imaging technique advances our understanding of electron correlation effects in molecules, which is crucial for developing better models in quantum chemistry and materials science. The ability to directly observe these ultrafast electronic processes could improve the design of photovoltaic materials, catalysts, and molecular electronics where electron transfer and charge dynamics are critical.


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Source: Real-space imaging of the electron-pair density hole in molecular Auger–Meitner decay