Electron transmission through organized organic thin films studied by discrete initial electron kinetic energies

被引：0

作者：

A. Haran

R. Naaman

G. Ashkenasy

A. Shanzer

T. Quast

B. Winter

I.V. Hertel

机构：

[1] Department of Chemical Physics,

[2] Weizmann Institute of Science,undefined

[3] 76100 Rehovot,undefined

[4] Israel,undefined

[5] Department of Organic Chemistry,undefined

[6] Weizmann Institute of Science,undefined

[7] 76100 Rehovot,undefined

[8] Israel,undefined

[9] Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie,undefined

[10] Postfach 1107,undefined

[11] 12474 Berlin,undefined

[12] Germany,undefined

来源：

The European Physical Journal B - Condensed Matter and Complex Systems | 1999年 / 8卷

关键词：

PACS. 79.60.Dp Adsorbed layers and thin films - 73.20.At Surface states, band structure, electron density of states - 73.61.Ph Polymers; organic compounds;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Synchrotron radiation (SR) pulses are used to eject electrons from a gold substrate covered with organized organic thin films (OOTF) in order to investigate their transmission probability through the OOTF as a function of the electron initial kinetic energy. By variation of the SR photon energy within a few eV above the Au-4f binding energy levels we controlled the initial kinetic energy of the substrate electrons. The observed oscillations in the transmission probability for porphyrin-based films as a function of the kinetic energy is argued to be due to effects of band structure above the vacuum level in the well-ordered molecular adsorbate. We also present valence photoemission spectra (PES) of different type OOTF and demonstrate how their coverage of the substrate affects the PES.

引用

页码：445 / 451

页数：6

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