Rare Germanium Isotope Infrared Spectral Signatures Elucidated in Detail for the First Time
The press service of the Russian Ministry of Education and Science reported on August 25 that scientists from Tomsk Polytechnic University, in collaboration with an international research team, have for the first time conducted a detailed study of the infrared spectra of two rare germanium isotopes and identified characteristic spectral signatures that can be used to recognize the relevant isotopes in complex gas mixtures. The research team selected two highly enriched isotopes—germanium-72 and germanium-73—as the subjects of the study, recording their spectral information using a high-resolution Fourier transform spectrometer. This instrument is capable of resolving closely spaced spectral lines, providing the conditions for analyzing subtle spectral changes induced by isotopic substitution. The researchers stated that precise spectral data for different germanium isotopes remain relatively scarce in the scientific literature, and such data are of significant importance for identifying molecules in planetary atmospheres and for producing ultra-pure germanium isotopes for quantum technologies and modern electronics.
2026-08-26