Abstract
The surface tension of freestanding liquid-crystal films has been measured as a function of film thickness and temperature. The data are independent of film thickness from over 100 down to only two molecular layers (≊ 50 Å) and no temperature dependence could be detected. The results obtained on recently synthesized partially fluorinated materials indicate that the film-vapor interfaces consist of roughly equal proportions of [Formula Presented] and [Formula Presented] terminal groups.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1662-1665 |
| Number of pages | 4 |
| Journal | Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics |
| Volume | 53 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jan 1 1996 |