Revolution in Physics: First-Ever X-Ray of a Single Atom Captured — Scientists have successful |
When X-rays illuminate onto an iron atom , core level electrons are excited. X-ray excited electrons are then tunnel to the detector tip via overlapping atomic/molecular orbitals, which provide elemental and chemical information of the iron atom. Credit: Saw-Wai Hlafor the first time.
An image of a ring-shaped supramolecule where only one Fe atom is present in the entire ring. X-ray signature of just one Fe atom. Credit: Saw-Wai Hla studies,” said Tolulope Michael Ajayi, who is the first author of the paper and doing this work as part of his Ph.D. thesis. “More so, using X-rays to detect and characterize individual atoms could revolutionize research and give birth to new technologies in areas such as quantum information and the detection of trace elements in environmental and medical research, to name a few. This achievement also opens the road for advanced materials science instrumentation.
Hla’s study is focused on nano and quantum sciences with a particular emphasis on understanding materials’ chemical and physical properties at the fundamental level – on an individual atom basis. In addition to achieving X-ray signature of one atom, the team’s key goal was to use this technique to investigate the environmental effect on a single rare-earth atom.
“This achievement connects synchrotron X-rays with quantum tunneling process to detect X-ray signature of an individual atom and opens many exciting research directions including the research on quantum and spin properties of just one atom using synchrotron X-rays,” Hla said.
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