Imaging of a patterned and buried molecular layer by coherent acoustic phonon spectroscopy
| Type of Publication: | Journal article |
| URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-212421 |
| Author: | Hettich, Mike; Jacob, Karl; Ristow, Oliver; He, Chuan; Mayer, Jan; Schubert, Martin; Gusev, Vitalyi; Bruchhausen, Axel; Dekorsy, Thomas |
| Year of publication: | 2012 |
| Published in: | Applied Physics Letters ; 101 (2012), 19. - 191606. - ISSN 0003-6951. - eISSN 1077-3118 |
| DOI (citable link): | https://dx.doi.org/10.1063/1.4767141 |
| Title in another language: | Abbildung einer strukturierten verdeckten Moleküllage durch kohärente akustische Phononen-Spektoskopie |
| Summary: |
A molecular layer of aminopropyltriethoxysilane is patterned with a focused ion beam and subsequently covered by a gold film. The gold-polymer-substrate structures are afterwards imaged by ultrafast coherent acoustic phonon spectroscopy in reflection geometry. We demonstrate that the lateral structure of the covered polymer layer can be detected via the damping time of the vibrational mode of the gold film. Furthermore, we utilize Brillouin oscillations originating from the silicon substrate to map the structures and to estimate the molecular layer thickness.
|
| PACS Classification: | 63.20.-e, 78.35.+c, 78.47.J- |
| Subject (DDC): | 530 Physics |
| Keywords: | Akustisches Phonon, Lichtstreuung, Brillouin-Streuung |
| Link to License: | In Copyright |
| Bibliography of Konstanz: | Yes |
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HETTICH, Mike, Karl JACOB, Oliver RISTOW, Chuan HE, Jan MAYER, Martin SCHUBERT, Vitalyi GUSEV, Axel BRUCHHAUSEN, Thomas DEKORSY, 2012. Imaging of a patterned and buried molecular layer by coherent acoustic phonon spectroscopy. In: Applied Physics Letters. 101(19), 191606. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4767141
@article{Hettich2012Imagi-21242, title={Imaging of a patterned and buried molecular layer by coherent acoustic phonon spectroscopy}, year={2012}, doi={10.1063/1.4767141}, number={19}, volume={101}, issn={0003-6951}, journal={Applied Physics Letters}, author={Hettich, Mike and Jacob, Karl and Ristow, Oliver and He, Chuan and Mayer, Jan and Schubert, Martin and Gusev, Vitalyi and Bruchhausen, Axel and Dekorsy, Thomas}, note={Article Number: 191606} }
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