The Department of Physics and the Department of Chemistry at Columbia University are looking to fill positions at the rank of Associate Research Scientist and/or Postdoctoral Research Scientist. Both positions require a PhD degree in Chemistry, Chemical Engineering, Applied Physics, Physics, Materials Science, or related fields, and 0-3 years of postdoctoral experience for the rank of Postdoctoral Research Scientist and 3+ years for the rank of Associate Research Scientist. Potential research topics include microwave plasma reactor design and construction, scanning confocal photoluminescence spectroscopy, electron spin coherence measurements, diamond growth and processing, surface science, scanning confocal microscopy, and optical magnetometry. Suitable candidates will manage a v