Atomic riddle solved: Carbyne emerges as powerful quantum sensor after nearly a decade
ML breakthrough enables researchers to model and explain the paradoxical interactions between carbyne and nanotubes.
Researchers have resolved a puzzling vibrational phenomenon that has baffled the scientific community for years, after discovering a strange quantum link between carbyne and carbon nanotubes.
Led by the University of Vienna in Austria, along with researchers from Italy, France, China, and Japan, the study sheds new light on how carbynes, crystalline forms of carbon linked in chains with alternating single and triple bonds, interact with nanotubes on a quantum level.
For the research, the scientists relied on Raman spectroscopy, a non-destructive chemical analysis technique which is commonly used in research to identify molecules by their unique structural fingerprint.
After additionally applying innovative theoretical models, as well as machine learning, they were able to demonstrate the universal applicability of carbyne as a sensor due to its sensitivity to external influences.
Understanding how matter behaves at the atomic scale is crucial for developing the materials of the future. According to the scientists, quantum mechanical effects, such as electron movement, atomic vibrations, and energy band structures, shape how materials conduct electricity, respond to magnetic fields, transmit light, or withstand mechanical stress.
To better understand these mechanisms, the scientists revisited a surprising discovery made nine years ago by Thomas Pichler, PhD, a physics professor at the University of Vienna, and head of the research group.
At the time, Pichler and his team managed to stabilize carbyne, an ultra-thin chain of carbon atoms, inside carbon nanotubes, for the first time, marking a breakthrough that stunned the scientific community.