| Zugriffsnummer | 33742 |
| Dokumenttyp | Zeitschriftenartikel |
| Peer Review | unbekannt |
| Sprache | Englisch |
| Titel | Experimental verification of the individual energy dependencies of the partial L-shell photoionization cross sections of Pd and Mo |
| Autor(in); Institution |
Hönicke, Philipp; 7.2, Kryophysik und Spektrometrie, PTB-Berlin
Kolbe, Michael; 7.2, Kryophysik und Spektrometrie, PTB-Berlin
Müller, Matthias; 7.2, Kryophysik und Spektrometrie, PTB-Berlin
Mantler, Michael; Rigaku Corporation, Tokyo, JAPAN
Krämer, Markus; AXO DRESDEN GmbH, Dresden, GERMANY
Beckhoff, Burkhard; 7.2, Kryophysik und Spektrometrie, PTB-Berlin
|
| Quelle/Jahr | Physical Review Letters: 113 (2014), 16, 163001-1 - 163001-5 |
| ISSN | 0031-9007 (PRINT) ; 1079-7114 (ONLINE) |
| DOI | |
| Verlag | Ridge, NY: The American Physical Society |
| Klassifikationscode | PACS: 32.80.Aa ; PACS: 32.80.Fb ; PACS: 78.70.En |
| Zusammenfassung | An experimental method for the verification of the individually different energy dependencies of L1 − ,L2, and L3− subshell photoionization cross sections is described. The results obtained for Pd and Mo are well in line with theory regarding both energy dependency and absolute values, and confirm the theoretically calculated cross sections by Scofield from the early 1970 s and, partially, more recent data by Trzhaskovskaya, Nefedov, and Yarzhemsky. The data also demonstrate the questionability of quantitative x-ray spectroscopical results based on the widely used fixed jump ratio approximated cross sections with energy independent ratios. The experiments are carried out by employing the radiometrically calibrated instrumentation of the Physikalisch-Technische Bundesanstalt at the electron storage ring BESSY II in Berlin; the obtained fluorescent intensities are thereby calibrated at an absolute level in reference to the International System of Units. Experimentally determined fixed fluorescence line ratios for each subshell are used for a reliable deconvolution of overlapping fluorescence lines. The relevant fundamental parameters of Mo and Pd are also determined experimentally in order to calculate the subshell photoionization cross sections independently of any database. |
Zitierung
Hönicke, P., Kolbe, M., Müller, M., Mantler, M., Krämer, M., & Beckhoff, B. (2014). Experimental verification of the individual energy dependencies of the partial L-shell photoionization cross sections of Pd and Mo. Physical Review Letters, 113(16), 163001-1–163001-5. https://doi.org/10.1103/physrevlett.113.163001