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Characterization of Organic Thin Films by Abraham Ulman

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8

High Resolution EELS Studies of Organic Thin Films and Surfaces

LAWRENCE H. DUBOIS

Contents

8.1   Introduction

8.2   The Scattering Mechanism

8.3   The Spectrometer

8.4   EELS Versus Other Techniques: Advantages and Disadvantages

8.5   Examples

8.6   Conclusions

8.1 Introduction

The casual reader might consider the scattering of low-energy electrons from polymer surfaces or organic thin films to provide little useful information due to charging and electron-induced damage. This is in fact not the case; I will demonstrate in this chapter that by choosing appropriate materials and equipment, high quality vibrational spectra can be obtained by the inelastic scattering of low-energy electrons. A representative spectrum is shown in Figure 8.1 ...

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