Rafael Jaramillo

Assistant Professor of Materials Science & Engineering
Ph.D., Physics, The University of Chicago, 2008
M.Eng., Applied and Engineering Physics, Cornell University, 2003
B.S., Applied and Engineering Physics, Cornell University, 2002





  • Electronic Materials
  • Nanotechnology
  • Phase Transformations
  • Semiconductors
  • Surfaces, Interfaces, and Thin Films
  • Transport Phenomena


My research sits in the big, fun space between materials science, solid state physics, and renewable energy technologies. My current interests can be characterized as defect engineering of chalcogenide and oxy-chalcogenide semiconductors. We have a brand-new lab and some exciting equipment, please take a look at the slideshows. Ongoing and proposed topics of research include:

  1. Control of metastable electrical properties of chalcogenide semiconductors for optical neuromorphic computing
  2. Discovery of new complex chalcogenide (eg. II-IV-VI) materials for energy and information technologies
  3. Technique development for characterization of semiconductor interfaces and dielectric films, with focus on degradation mechanisms in photovoltaic devices
  4. Layered chalcogenide and oxy-chalcogenide materials for integrated 2D electronics
There are two MacArthur “Genius Grant” recipients on the DMSE faculty.