Aufgrund von Vorbereitungen auf eine neue Version von KOPS, können am Montag, 6.2. und Dienstag, 7.2. keine Publikationen eingereicht werden. (Due to preparations for a new version of KOPS, no publications can be submitted on Monday, Feb. 6 and Tuesday, Feb. 7.)
Type of Publication: | Journal article |
URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-28364 |
Author: | Bubeck, Ralf; Leiderer, Paul; Bechinger, Clemens |
Year of publication: | 2001 |
Published in: | Progress in Colloid and Polymer Science ; 118 (2001). - pp. 73-76 |
DOI (citable link): | https://dx.doi.org/10.1007/3-540-45725-9_16 |
Summary: |
The properties of 2D colloidal crystals have been widely investigated over the last 20 years. Recently, it has been recognized that colloids are also useful for the investigation of systems comprised of only a few particles. We study the melting behaviour of a finite number (N < 30) of paramagnetic colloidal spheres (b = 4.5 mm) in 2D circular cavities. By applying a magnetic field, B, the interaction strength between the particles is varied. At high B, i.e. strong dipole interaction, the particles are arranged in a highly ordered shell-like structure. With decreasing B we observe a loss of angular order between adjacent shells. Upon further reduction of the external field, however, different scenarios are observed. For cavities with hard-wall confinement potentials. In both cases the system melts completely for small magnetic fields.
|
Subject (DDC): | 530 Physics |
Keywords: | colloids, two-dimensional, two-dimensional freezing, phase transitions, classical atoms |
Link to License: | Attribution-NonCommercial-NoDerivs 2.0 Generic |
BUBECK, Ralf, Paul LEIDERER, Clemens BECHINGER, 2001. Structure and dynamics of two-dimensional colloidal systems in circular cavities. In: Progress in Colloid and Polymer Science. 118, pp. 73-76. Available under: doi: 10.1007/3-540-45725-9_16
@article{Bubeck2001Struc-9525, title={Structure and dynamics of two-dimensional colloidal systems in circular cavities}, year={2001}, doi={10.1007/3-540-45725-9_16}, volume={118}, journal={Progress in Colloid and Polymer Science}, pages={73--76}, author={Bubeck, Ralf and Leiderer, Paul and Bechinger, Clemens} }
288_progrcollpolymsci_2001.pdf | 426 |