Inhaltszusammenfassung

Inelastic-Electron-Tunneling-Spectroscopy was used to investigate in-situ the irradiation damage of benzoic acid and the derivates p-cyanobenzoic acid and p-aminobenzoic acid at 4.2 K with 3 MeV protons. Benzoic acid is one order of magnitude less sensitive to irradiation than the derivates on account of its delocalized ?-electron system. Substituents located at the carbon ring tend to change the distribution of the electrons at the C6-ring leading to an enhanced sensitivity to irradiation. A...Inelastic-Electron-Tunneling-Spectroscopy was used to investigate in-situ the irradiation damage of benzoic acid and the derivates p-cyanobenzoic acid and p-aminobenzoic acid at 4.2 K with 3 MeV protons. Benzoic acid is one order of magnitude less sensitive to irradiation than the derivates on account of its delocalized ?-electron system. Substituents located at the carbon ring tend to change the distribution of the electrons at the C6-ring leading to an enhanced sensitivity to irradiation. After irradiation, the samples were annealed at 293 K in order to get information about the stability of possibly formed molecular fragments at room temperature. » weiterlesen» einklappen

Autoren

Klassifikation

DFG Fachgebiet:
Physik der kondensierten Materie

DDC Sachgruppe:
Physik