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Experiment takes “snapshots” of light, stops light, and uses light to change properties of matter

  • By Ke Xu
  • 21 December 2020

Light travels at a speed of about 300,000,000 meters per second as light particles, photons, or equivalently as electromagnetic field waves. Experiments led by Hrvoje Petek examined ideas surrounding the origins of light, taking snapshots of light, stopping light and using it to change properties of matter.

Petek worked with student Yannan Dai and collaborators Prof. Chen-Bin (Robin) Huang of the National Tsing Hua University in Taiwan, and Atsushi Kubo of the Tsukuba University of Japan on the experiments. Their findings were reported in the paper, “Plasmonic topological quasiparticle on the nanometre and femtosecond scales,” which was published in the Dec. 24 issue of Nature magazine.

Lillian Chong and Collaborators Receive Gordon Bell Special Prize for COVID-19 Research

  • By Jenny Stein
  • 1 December 2020

Prof. Lillian Chong and graduate student, Anthony Bogetti, were part of a multi-institution team effort that won the Association for Computing Machinery’s Gordon Bell Special Prize for High Performance Computing-Based COVID-19 Research, commonly referred to as the Nobel Prize of Supercomputing. A crowning achievement of this effort is the generation of atomically detailed views of how the spike protein of the coronavirus opens up before latching onto cells during infection.

Pitt Researchers to Join NSF Materials Center Studying Two-Dimensional Metals

  • By Jenny Stein
  • 30 November 2020

The Nanoionics and Electronics Laboratory at the University of Pittsburgh’s Swanson School of Engineering has received $557,000 in funding from the National Science Foundation (NSF) for its work investigating a new type of two-dimensional material. The project, “Two-dimensional Polar Metals and Heterostructures,” is led by Associate Professor, Susan Fullerton, and Research Assistant Professor Ke Xu, both in the Department of Chemical and Petroleum Engineering.