Interactions of low-energy electrons with the FEBID precursor chromium hexacarbonyl (Cr(CO)(6))

Jusuf M. Khreis, Joao Ameixa, Filipe Ferreira da Silva, Stephan Denifl

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Abstract

Interactions of low-energy electrons with the FEBID precursor Cr(CO)(6) have been investigated in a crossed electron-molecular beam setup coupled with a double focusing mass spectrometer with reverse geometry. Dissociative electron attachment leads to the formation of a series of anions by the loss of CO ligand units. The bare chromium anion is formed by electron capture at an electron energy of about 9 eV. Metastable decays of Cr(CO)(5)(-) into Cr(CO)(4)(-), Cr(CO)(4)(-) into Cr(CO)(3)(-) and Cr(CO)(3)(-) into Cr(CO)(2)(-) are discussed. Electron-induced dissociation at 70 eV impact energy was found to be in agreement with previous studies. A series of Cr(CO)(n)C+ (0
Original languageEnglish
Pages (from-to)2583-2590
Number of pages8
JournalBeilstein Journal of Nanotechnology
Volume8
DOIs
Publication statusPublished - 4 Dec 2017

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Keywords

  • Chromium hexacarbonyl Cr(CO)6
  • Dissociative electron attachment
  • Electron ionization
  • FEBID
  • Metastable decay

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