Research lectures, seminars and events
The events listed in this area are research seminars, workshops and lectures hosted by Durham University departments and research institutes. If you are not a member of the University, but wish to enquire about attending one of the events please contact the organiser or host department.
|March 2018||May 2018|
Events for 25 April 2018
Professor Fabrizio Ferrari: Ernesto de Martino on Folk Healing: exploring the study of religion & medicine
Prof. Paul van der Schoot: Carbon Nanotube-Based Lyotropic Liquid Crystal Microdroplets in Bulk and on Solid Surfaces
Dispersions of long, rod-like particles such as carbon nanotubes are known to form spindle-shaped,
cylindrically symmetric elongated nematic liquid crystalline droplets in coexistence with the isotropic phase.
Their shape and director field structure depends on the size of the drops, the interfacial tension, anchoring
strength and elastic constants. In contact with a wall, the droplets become more elongated due to the effects of line tension.
By visualising hundreds of nematic droplets of carbon nanotubes dissolved in chlorosulfonic acid and applying
elasticity theory to fit the data, we extract information on the elastic and surface properties of the droplets.
For sessile drops we find that the ratio of the line tension and the interfacial tension for this
particular system equals −0.84 ± 0.06 μm. This ratio is 2 orders of magnitude larger than what has been
reported for conventional fluids, in agreement with scaling arguments.
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Dr Richard Burgess: Mission Theology/Anglican Communion Lecture: The Largest Anglican Church Nigerian Anglicanism, 1980 to the Present
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