FeH的X射线吸收光谱用于辅助其在天体化学环境中的识别。
X-ray absorption spectroscopy of FeH to aid its identification in astrochemical environments.
作者信息
Jin Shan, Flach Max, Ebenbichler Alexander, Cunningham Ethan M, Zamudio-Bayer Vicente, Hirsch Konstantin, van der Linde Christian, Przybilla Norbert, Ončák Milan, Lau J Tobias, Beyer Martin K
机构信息
Universität Innsbruck, Institut für Ionenphysik und Angewandte Physik, Technikerstraße 25/3, 6020 Innsbruck, Austria.
Abteilung für Hochempfindliche Röntgenspektroskopie, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489 Berlin, Germany.
出版信息
Chem Commun (Camb). 2025 Jan 28;61(10):2048-2050. doi: 10.1039/d4cc04702h.
We present the first absorption spectrum of the unperturbed diatomic molecular ion FeH in any wavelength range. The cryogenic X-ray absorption spectrum at the L and L edge is consistent with an iron 3d occupation of 6.24e. Comparison with the interstellar absorption spectrum of Cygnus X-1 indicates that FeH cannot be ruled out as a component of the absorbing medium.
我们展示了未受扰动的双原子分子离子FeH在任何波长范围内的首个吸收光谱。在L和L边缘处的低温X射线吸收光谱与铁3d占据数为6.24e一致。与天鹅座X-1的星际吸收光谱进行比较表明，不能排除FeH作为吸收介质的一个成分。
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