1. Department of Physics and Astronomy and the Nebraska Center for Materials and Nanoscience, Behlen Laboratory of Physics, University of Nebraska, P.O. Box 880111, Lincoln, Nebraska 68588-011, College of Engineering and Technology, N245 Walter Scott Engineering Center, 17th & Vine Streets, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0511, Functional Materials, Institute for Materials Research, Cockcroft Building, University of Salford, Salford M5 4WT, United Kingdom, and Center for Advanced...