Roger Pynn
Professor
Materials Science/Soft Condensed Matter (Experimental)
Other Affiliation: Spallation Neutron Source, UCSB
Postdoctoral Postion: AB Atomenergi, Studsvik, Sweden
Ph.D., Trinity College, Cambridge, England 1969
B.S., Trinity College, Cambridge, England 1966
Phone: Swain West 201 856-3873
Email: pynn @ mrl.ucsb.edu
Structures of complex fluids and biomolecular systems both in bulk and as films and membranes studied with neutron and x-ray scattering; magnetic structures of thin films and multilayers; advanced neutron scattering instrumentation
Selected Publications:
- Shear Induced Hexagonal Ordering Observed in an Ionic Viscoelastic Fluid in Flow Past a Surface; W. A. Hamilton, P. D. Butler, S. M. Baker, G. S. Smith, John B. Hayter, L. J. Magid, and R. Pynn; Phys. Rev. Lett., 72, 2219 (1994)
- Diffuse X-ray and Neutron Reflection from Surfaces and Interfaces; S. K. Sinha and R. Pynn, in Local Structure from Diffraction, S. J. L. Billinge and M. F. Thorpe eds: (Plenum Press, NY, 1998)
- Ordering of filamentous proteins and associated molecules through confinement in micro-arrays; N. F. Bouxsein, L. S. Hirst, Y. Li, C. R. Safinya, Z. Abu Samah, N. MacDonald, R. Pynn; Appl. Phys. Lett., 85, 5775 (2004)
- Neutron Spin Echo Scattering Angle Measurement (SESAME); Roger Pynn, Michael R. Fitzsimmons, Helmut Fritzsche, Marita Gierlings, Janos Major and Andrew Jason; Rev. Sci. Instrum., 76, 053902 (2005)
- Microchannel Systems in Titanium and Silicon for Structural and Mechanical Studies of Aligned Protein Self-Assemblies; L. S. Hirst, E. R. Parker, Z. Abu-Samah, Y. Li, N. C. MacDonald, R. Pynn and C. R. Safinya; Langmuir 3910, 21(9), (2005)
- Micelle to vesicle transition of an iron chelating surfactant, Marinobactin E; Tate Owen, Roger Pynn, Jennifer Martinez and Alison Butler; Langmuir, 21, 12109 (2005)
- Hierarchical Self-Assembly of Actin Bundle Networks: Gels with Surface Protein Skin-Layers: L. S. Hirst, R. Bruinsma, R. Pynn and C. R Safinya; J. Chem. Phys., 123, 104902 (2005)
- Vector Magnetization Depth Profile of a Laves Phase Exchange Coupled Superlattice obtained using a Combined Approach of Micromagnetic Simulation and Neutron Reflectometry; M. R. Fitzsimmons, S. Park, K. Dumesnil, C. Dufour, R. Pynn, J. A. Borchers, J. J. Rhyne, and Ph Mangin; Phys. Rev B73, 134413 (2006)
