Making the First Atom X-Rays: A Revolution in Science

Historic step in science: the first x-ray of the atom

An international team of scientists, led by physicist Tololop Ajayi, from Ohio University and Argonne National Laboratory in the US, has shown that X ray Can be used to describe the chemical state of an atom. In this way, scientists took the first x-rays of an atom, which was a fundamental step in the scientific world. Traditionally, X-ray detection techniques have relied on interacting with many atoms in a sample. But this new methodology makes it possible to analyze a single atom, opening the door to a more detailed understanding of matter.

Using x-rays to reveal atomic secrets

The technique used in this first atom radiograph is synchrotron X-ray microscopy (SX-STM). This technology combines synchrotron X-rays, in which electrons are accelerated until they glow with high-energy light, with an atomic-scale imaging technique called scanning tunneling microscope. Thanks to this innovative methodology, scientists have been able to discover and characterize the chemical state and elemental properties of a single atom.

The experiment focused on the iron atom, using supramolecular assemblies that also include terbium ions. The scientists bonded one iron atom and six rubidium atoms using terpyridine bonds. Terbium is linked to oxygen and bromine through pyridine 2,6-dicarboxamide linkages. Using X-rays, the researchers generated them absorption spectra That revealed the unique “fingerprints” of the two elements.

X-ray interaction with a single iron atom causes electrons to be excited in the atom’s nucleus. These excited electrons are then detected using a detector tip. Through the interaction of overlapping atomic or molecular orbitals, this sensing technique provides detailed information about the elemental and chemical properties of an iron atom.

Discovery results

One of the most surprising aspects of the discovery was that the X-ray signal could only be detected when the tip of the probe was very close to the iron atom. With its highly focused resolution and localization, the detection technique used confirmed the exceptional ability to characterize and analyze atom radiography in detail. This result demonstrates that the discovery focuses exclusively on the atom of interest, allowing an in-depth understanding of its properties and properties.

The ability to detect and characterize individual atoms allows scientists to better understand the relationship between atomic structure and material properties. This could lead to breakthrough developments in designing new materials with specific properties, such as higher temperature superconductors or more efficient catalysts. Thanks to synchrotron X-ray tunneling microscopy, the path is now paving the way for a better understanding of materials at the atomic level.

Future prospects: What was the purpose of the first x-rays of the atom?

This discovery could have a significant impact in many fields, from materials design to the field of nanotechnology. The ability to analyze a single atom allows you to study and manipulate substances at the atomic level. In the future, there may be new applications in the production of microelectronic devices, high-precision sensors and nanocomponents. Despite this extraordinary discovery, scientists realize there is still much work to be done. Further studies are needed to improve and optimize the sensing technique, as well as to explore its applicability to other types of atoms and materials. Nevertheless, the first atomic X-rays certainly represent an important milestone that opens new horizons in understanding matter at the atomic level.

Master’s student in Energy Engineering at the University of Bologna, always passionate about scientific publishing, especially everything related to the environment and sustainability. Writing has given me the opportunity to meet new worlds and discover new interests, which is why even though I’ve been starting as an #EnergyCuE author since November 2020, today I’m collaborating for the entire network.