Diagnostics of the silicon-insulator interface structure by optical second-harmonic generation
β Scribed by I.V. Kravetsky; L.L. Kulyuk; A.V. Micu; D.A. Shutov; E.E. Strumban; C. Cobianu; D. Dascalu
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 193 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0169-4332
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π SIMILAR VOLUMES
We have used second harmonic generation to directly observe chemical changes in a lipid monolayer. We observed that pK, of phexadecyl aniline at the air/water interface is 3.6& 0.2 versus 5.3 fO.l in the bulk. This fiftyfold increase in acidity is due to the higher free energy of a charged species a
Monolayers of two nitroaniline-terminated amphiphilic compounds that differ from each other only by a methylene group in the hydrocarbon chain arestudied at the air-water interface by optical second harmonic generation and ellipsometry. The nitroanilino groups exhibit significantly different orderin