By: S.E. Babcock, T.F. Kuech, L. J. Mawst The presence of chemical species on a surface can radically change the surface chemical kinetics associated with atom placement and crystal growth. Recently, IRG1 researchers at the Wisconsin …
2011-2017 Posts
(2013) IRG 1: Determination of Bi Concentration at the Atomic-level in GaAs1-yBiy
By: S.E. Babcock, A.S. Brown, T.F. Kuech The nanoscale structural and compositional features of molecular beam epitaxy (MBE)-grown GaAs1−yBiy films have been successfully characterized with unprecedented precision by researchers of the Wisconsin MRSEC using high-resolution x-ray …
(2013) IRG 2: Controlling the Conductivity of ZnO Thin Films using Surface Chemistry
By: J. W. Spalenka, P. Gopalan, H. E. Katz, and P. G. Evans Solution deposited ZnO films are technologically promising materials with potential applications in large-area electronics on flexible substrates, as transparent circuit elements, and as …
(2013) IRG 2: Monolayers of Organic Semiconductors with High Hole Mobility
By: E. Mannebach, J. W. Spalenka, P. S. Johnson, Z. Cai, F. J. Himpsel, and P. G. Evans The electronic properties of thin films with thicknesses of only a single molecular layer have in the past …
(2013) IRG 3: Membrane Strain in Bacteria Influences the Organization and Function of the Recombination Repair Enzyme RecA
By: M. Rajendram, H. Tuson, V. Smeianov, K. Ngo, M. M. Cox, D. Weibel Researchers in IRG3 of the Wisconsin MRSEC are studying bacteria to understand principles by which nature designs materials to achieve dynamic spatial …
(2012) IRG 2: Adding a Dimension to the Infrared Spectra of Interfaces using Heterodyne Detected 2D Sum-Frequency Generation (HD 2D SFG) Spectroscopy
By: IRG2: Wei Xiong, Jennifer E. Laaser, Randy D. Mehlenbacher , and Martin T. Zanni In the last ten years, two-dimensional infrared spectroscopy has become an important technique for studying molecular structures and dynamics. We report …
(2012) Education: Science Show from Puerto Rico Wows Madison Audiences
In July, 2012, the UW-MRSEC hosted graduate students from the University of Puerto Rico Mayaguez. While in Madison, Wisconsin the students performed their Science on Wheels (Ciencias en Ruedas) show at the Wisconsin Institutes for …
(2012) IRG 2: Controlling the Conductivity of ZnO Thin Films using Surface Chemistry
By: J. W. Spalenka, P. Gopalan, H. E. Katz, and P. G. Evans Solution deposited ZnO films have the opportunity for wide application in large-area electronics on flexible substrates, as transparent circuit elements, and as a …
(2011) UW MRSEC Hosts Two National Events for NISE Net Museum Educators
The University of Wisconsin – Madison (UW) Materials Research Science and Engineering Center (MRSEC) on Nanostructured Interfaces hosted two national events for museum educators at the Madison Children’s Museum and on the UW campus. The …
(2011) Transport in Ultra-Thin Silicon Membranes
Nanostructures are extremely sensitive to their surface properties. In the past year we have made extensive measurements of thin silicon films in ultra-high vacuum. We now have strong evidence that ultra-thin silicon with a 2×1 …