Event Info For your interest, please see below information regarding our upcoming seminar on small-wide angle x-ray scattering:
FACTS Seminar:
“Introduction to Small-Wide Angle X-ray Scattering”
Date: 29 Nov. 2016, 14:00 – 16:00 Location: MSE Meeting Room (N4.1-01-28) Presenter: Dr. Sandra Desvergne-Bléneau (Xenocs, France)
Abstract:
Nanostructured materials hold major expectations for the progress of fundamental & applied research. Understanding their properties requires investigations on a large range of compositions or process combinations demanding characterization over broad length scales. Moreover, one route for new materials is based on a bottom up approach, i.e. self-assembly of complex materials. Being of significant interest for a wide range of applications, they still require control and better understanding of their morphology, both for fundamental studies and for routine quality controls.
Small Angle X-ray Scattering (SAXS) is a powerful measuring method for investigating nanostructured materials, providing information in the range from 1 nm to beyond 150 nm such as nanoscale morphology, mesoscale phase identification or surface to volume ratio of internal structures as a few examples. The method requires little sample preparation, is non-destructive and unlike microscopy probes a large volume of the sample enabling a statistically meaningful result. The same technique can be applied to surface only in the so-called "grazing incidence geometry". It can be combined with Wide Angle X-ray Scattering (WAXS) to get information on the material crystalline structure. Different experimental conditions such as temperature, humidity and mechanical stress can also be applied enabling in-situ structural investigation over changing conditions.
For more information on FACTS, please visit our website at facts.ntu.edu.sg Registration for this event has closed. |