The Michigan Engineer News Center

Asst. Prof. Keppel-Aleks to receive environmental award from American Geophysical Union (AGU)

Recognition for outstanding contributions in the area of global environmental change. | Short Read
EnlargeAsst. Prof. Gretchen Keppel-Aleks
IMAGE:  Name: Gretchen Keppel-Aleks Uniqname: gkeppela Department: AOSS Photo: Joseph Xu, Michigan Engineering Communications & Marketing

Climate & Space Asst. Prof. Gretchen Keppel-Aleks has been selected to receive the 2019 Global Environmental Change Early Career Award from the American Geophysical Union (AGU). The award is given annually in recognition of an early career scientist or a group of early career scientists for outstanding contributions in research, educational, or societal impacts in the area of global environmental change, especially through interdisciplinary approach.

Statement from AGU President Robin Bell, and Honors and Recognition Committee Chair Mary Anne Holmes:

“Our colleagues have been selected for these prestigious honors for their sustained and unique contributions to advancing our understanding of Earth, its atmosphere and oceans, and planets and astral bodies beyond our own. The sciences encompassed by AGU are crucial for the health and well-being of our planet’s inhabitants. These awardees have contributed to both that understanding and the planetary health and well-being through their scientific advancements and outstanding service to the science and to AGU.”

The award will be formally presented at the 2019 AGU Fall Meeting this coming December in San Francisco, CA.

Congratulations, Prof. Keppel-Aleks! 

Asst. Prof. Gretchen Keppel-Aleks
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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