The Michigan Engineer News Center

Andrew T. Zimmerman Receives Rackham Predoctoral Fellowship

Andrew T. Zimmerman was selected for a Rackham Predoctoral Fellowship.| Short Read

The Rackham Predoctoral Fellowships support outstanding doctoral students who have achieved candidacy and are actively working on dissertation research and writing. Seventy-two (72) Rackham Predoctoral Fellowships will be available for 2009-10. Approximately 240 students are nominated each year. The fellowships provide three terms of support that may begin with spring, summer or fall term. Prof. Jerome P. Lynch is Andrew Zimmerman’s advisor.

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GG Brown 2105E

The electrons absorb laser light and set up “momentum combs” (the hills) spanning the energy valleys within the material (the red line). When the electrons have an energy allowed by the quantum mechanical structure of the material—and also touch the edge of the valley—they emit light. This is why some teeth of the combs are bright and some are dark. By measuring the emitted light and precisely locating its source, the research mapped out the energy valleys in a 2D crystal of tungsten diselenide. Credit: Markus Borsch, Quantum Science Theory Lab, University of Michigan.

Mapping quantum structures with light to unlock their capabilities

Rather than installing new “2D” semiconductors in devices to see what they can do, this new method puts them through their paces with lasers and light detectors. | Medium Read