22. 2. 2013
Self-assembly of three-dimensional colloidal crystals in nematics
The paper Assembly and control of 3D nematic dipolar colloidal crystals was just published in the journal Nature Communications by authors A. Nych, U. Ognysta, M. Škarabot, M. Ravnik, S. Žumer, and I. Muševič, all from "Jožef Stefan" Institute and Faculty of Mathematics and Physics (FMF) University of Ljubljana. The paper reports on the self-assembly and controllable reconfigurability of three-dimensional nematic colloidal crystals. Experimentally, the colloidal crystals are assembled from spherical colloidal beads by using optical tweezers manipulation, with the assembly based on elastic and topological characteristics of the nematic medium. The structures were predicted with numerical modelling, using computer clusters at FMF. The demonstrated colloidal crystal shows interesting properties of giant electrostriction and electro-rotation when exposed to homogeneous external electric field.
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The Faculty of Mathematics and Physics works in close collaboration with the following institutions in Slovenia:
- Jožef Stefan Institute
www.ijs.si
- Institute for Mathematics, Physics and Mechanics
www.imfm.si
- Kvarkadabra, A society that strives to interpret and promote science
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- Hiša eksperimentov (House of Experiments)
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The Department of Mathematics’ research is strongly connected to the work of the Institute of Mathematics, Physics and Mechanics. Our members are active in 17 fields of research.
Each and every lecturer and assistant is involved in research. Members of the Department of Physics head research groups at the Department and at the institutes.
Physics of Complex Colloids
14 - 18 May 2013, Cankarjev dom, Ljubljana
http://www.comploids2013.si
Workshop on assembling of superstructures in soft matter
11 - 13 October 2012, Klub Cankarjevega doma, Cankarjev dom, Ljubljana
http://www.softmatter.si/hierarchy2012/
SLONANO 2012
24 - 26 October 2012, "Jožef Stefan" Institute
http://www.slonano.si/
Relativistic Positioning Systems and their Scientific Applications
19 - 21 September 2012, Brdo pri Kranju, Slovenija
http://rgnss.fmf.uni-lj.si/workshop
Ljubljana Physics Summit 2012
March 3, 2012, "Jožef Stefan" Institute
http://www.physics-summit.com
COINAPO Topical Meeting:
Composites of nanotubes and polymers:
joining theoretical modeling with experimental investigations
8 - 9 December 2011, Ljubljana, Slovenija
http://www.fmf.uni-lj.si/si/raziskave/coinapo-meeting/
Physics in Ljubljana
17 - 24 July 2011, Ljubljana, Slovenia
http://phylju11.fmf.uni-lj.si/
Confined Liquid Crystals: Landmarks and Perspectives
19 - 20 July 2010, Ljubljana, Slovenija
http://clc.fmf.uni-lj.si
SLONANO 2009
19 - 21 October 2009, National Institute of Chemistry, Ljubljana, Slovenija
http://www.slonano.si/
ESF Research Conferences
Self-assembly of guanosine derivatives: from biological systems to nanotechnological applications
20 - 25 June 2009, Obergurgl, Austria
http://www.esf.org/activities/esf-conferences/details/2009/confdetail289.html?conf=289&year=2009
4th European school in Material Sciences
Mechanical Properties of Complex Metallic Alloys
25 - 30 May 2009, MONS Hotel and Congress Centre, Ljubljana, Slovenija
http://euroschool-cma.ijs.si/
ESF Workshop
Towards single-spin physics
November 30, 2007, MONS Congress Center (Ravnikar room), Ljubljana, Slovenija
programme
SLONANO2007
10 - 12 October 2007, Jožef Stefan Institute, Ljubljana, Slovenija
http://nano.ijs.si/SLONANO2007/
7th European Symposium for the Protection of the Night Sky
Light Pollution and Global Warming
International Exhibition: Quality Lighting and Light Pollution
5 - 6 October 2007, Bled, Slovenija
www.darksky2007.si
International Liquid Crystal Elastomer Conference
27 - 29 September 2007, Ljubljana, Slovenija
ilcec2007.fiz.uni-lj.si/
Fundamentals of Nanoelectronics
2 - 7 September 2007, Portorož, Slovenija
www-f1.ijs.si/portoroz07/