Tutorials

Sunday, June 24, 2018

Tutorial I: Sample Environments for Soft Matter Processing

Conference Level, Salon C

Co-organizers

  • Matthew E. Helgeson, University of California, Santa Barbara
  • Lilo Pozzo, University of Washington
  • Norman Wagner, University of Delaware

Recent developments in new sample environments for SANS have opened up a wide range of new experiments to examine the dependence of soft matter morphology and microstructure on various types of processing including flow, applied fields, compositional changes and extreme state changes. Furthermore, the emergence of time-resolved SANS measurements through process cycling builds upon these capabilities toward experiments aimed at elucidating structural evolution during real and simulated industrial processing conditions. This tutorial will provide an overview of these important new advances, and highlight some of the resulting exciting science and engineering on a range of soft materials including polymers, colloids, biomaterials and surfactants. We will also highlight the strong coupling of these new experimental capabilities with data analysis methods, which require the development and use of sophisticated modeling in order to handle the complexities of the data including structural anisotropy, polydispersity and time variation. The tutorial will conclude with a panel discussion aimed at researchers interested in developing new sample environment capabilities in collaboration with neutron scattering facilities. As such, we anticipate attendance by researchers from a wide range of backgrounds interested in the processing of soft materials and complex fluids.

Schedule

12:30 pm – 12:45 pm   
Welcome, Introduction and Overview

Matthew Helgeson
, University of California, Santa Barbara

12:45 pm – 1:45 pm
Rheo-SANS and Fluidic Devices
Matthew Helgeson, University of California, Santa Barbara

1:45 pm – 2:15 pm
Modeling Anisotropic Scattering
Yangyang Wang,
Oak Ridge National Laboratory

2:15 pm – 2:45 pm
Time-Resolved Measurements
Michelle Calabrese, Massachusetts Institute of Technology

2:45 pm – 3:00 pm
Break

3:00 pm – 3:45 pm
Mixing and Dispersion
Lilo Pozzo
, University of Washington

3:45 pm – 4:30 pm      
Electric Fields
Jeff Richards
, National Institute of Science and Technology

4:30 pm – 5:15 pm      
Extreme Conditions
Susana Teizeira, National Institute of Science and Technology

5:15 pm – 5:30 pm      
Break

5:30 pm – 6:00 pm      
Panel Discussion—Sample Environment Development
Gary Lynn
, Oak Ridge National Laboratory
Katie Weigandt, National Institute of Science and Technology

Tutorial II: Neutron Spectroscopy Techniques for Magnetic Materials and Single Crystal Characterization

Conference Level, Salon D

Co-organizers

  • Kate Ross, Colorado State University
  • Jose A. Rodriguez-Rivera, National Institute of Standards and Technology

The study of novel solid state materials at the atomic scale is fundamental to efforts to model and understand their properties. Elucidating the interactions between atoms and molecules is central to the search for materials with higher temperature superconducting, greater information storage densities, and faster computers. Neutron spectroscopy is an essential and powerful technique with which to understand these interactions through measurements of the underlying atomic and magnetic order as well as the associated dynamics. This tutorial will explain how to use neutron scattering to study magnetic materials with experimental examples.

Schedule

1:00 pm – 1:15 pm
Welcome, Introduction and Overview

1:15 pm – 2:00 pm
Introduction to Magnetic Neutron Scattering
Collin Broholm
, Johns Hopkins University

2:00 pm – 2:45 pm
Magnetic Neutron Scattering with TAS and TOF
Christopher Stock
, The University of Edinburgh

2:45 pm – 3:00 pm
Break

3:00 pm – 3:45 pm
Modeling Magnetic Excitations with Spin-Wave Theory   
Martin Mourigal
, Georgia Institute of Technology

3:45 pm – 4:30 pm
Experimental Example—1D Half Spin Chain I
Yiming Qui
, National Institute of Standards and Technology

4:30 pm – 4:45 pm
Break
                                                                                                                          
4:45 pm – 6:00 pm
Experimental Example—1D Half Spin Chain II  
Yiming Qui
, National Institute of Standards and Technology

Sponsors

Department of Energy

NIST Logo

NSSA Logo

University of Maryland