Profile
Expert electron microscopist specialized in transmission electron microscopy and focused ion beam scanning electron microscopy and associated techniques. Extensive experience in solid-state chemistry, materials science, and mineralogy.
Education
- Ph.D., Arizona State University, Dept. of Chemistry & Biochemistry, 2004.
- B.S., Texas State University, Dept. of Chemistry, 1998.
Professional Experience
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Jul 2008 - present
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Electron Microscopy Scientist, Centralized Research Facilities, Drexel University, Philadelphia, PA
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Feb 2007 - Jun 2008
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Research Associate, Centre National de la Recherche Scientifique (CNRS), Toulouse, France
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Jul 2004 - Dec 2007
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Research Associate, Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY
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Jun 1999 - Aug 2004
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Research Assistant, Arizona State University, Tempe, AZ
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Jan 1999 - May 2001
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Teaching Assistant, Arizona State University, Tempe, AZ
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Research Experience and Skills
- Transmission electron microscopy (TEM)
- Quantitative high-resolution TEM : Nanoscale strain mapping in minerals and device materials
- Electron Tomography: Nanoscale 3D characteriztion of materials
- Microanalysis: energy dispersive spectroscopy and elemental mapping
- Focused Ion Beam Scanning Electron Microscopy: Device fabrication, 3D characterization and TEM lift-out sample preparation
- TEM Sample Preparation: Polishing, sectioning, ion milling, and ultramicrotomy
- Scanning Electron Microscopy
Courses Taught
- Introduction to Nanocharacterization (TEM and FIB Components) – Drexel University
- Transmission Electron Microscopy – Drexel University
- Transmission Electron Microscopy Lab – Arizona State University
- First Year Chemistry Lab – Arizona State University
Awards and Recognitions
- 2010 - President's Award Nominee, Drexel University
- 2004 - Best Student Poster Award from the Arizona Imaging Society
- 2003 - Presidential Student Award from the Microscopy Society of America
Synergistic Activities
- Organized Applications of Microscopy in Materials Science and Biology Symposium, Drexel University, Fall 2010
- Organized Current Trends in Electron Microscopy and Microanalysis Symposium, Drexel University, Spring 2010
- Member of the Microscopy Society of America
- Member of Philadelphia Society for Microscopy
- Referee of papers submitted to Microscopy and Microanalysis and American Mineralogist
- Reviewer of proposals submitted to the National Science Foundation
Selected Publications
Johnson, S.H., Johnson, C.L., May, S.J., Hirsch, S.J., Cole, M.W. and Spanier, J.E. (2010) Co@CoO@Au core-multi-shell nanocrystals. Journal of Materials Chemistry, 20, 439-443.
Nonnenmann, S.S., Gallo, E.M., Coster, M.T., Soja, G.R., Johnson, C.L., Joseph, R.S. and Spanier, J.E. (2009) Piezoresponse through a ferroelectric nanotube wall. Applied Physics Letters, 95, 232903.
Johnson, C.L., Bording, J.K. and Zhu, Y. (2008) Structural inhomogeneity and twinning in YBa2Cu3O7-d: High-resolution transmission electron microscopy measurements. Physical Review B, 78, 014517.
Johnson, C.L., Snoeck, E., Ezcurdia, M., Rodríguez-González, B., Pastoriza-Santos, I., Liz-Marzán, L.M., and Hÿtch, M.J. (2008) Effects of elastic anisotropy on strain distributions in decahedral gold nanoparticles. Nature Materials, 7, 120-124 and cover photograph.
Klie, R.F., Johnson, C.L., and Zhu, Y. (2008) Atomic-resolution STEM in the aberration-corrected JEOL JEM2200FS. Microscopy and Microanalysis, Special Issue on Aberration-Corrected Electron Microscopy, 14, 104-112 and cover photograph.
Hüe, F., Johnson, C.L., Lartigue-Korinek, S., Wang, G., Buseck, P.R., and Hÿtch, M.J. (2005) Calibration of projector lens distortions. Journal of Electron Microscopy-Special Issue Dedicated to the Memory of John M. Cowley, 54, 181-190.
Johnson, C.L., Hÿtch, M.J., and Buseck, P.R. (2004) Nanoscale waviness of low-angle grain boundaries. Proceedings of the National Academy of Sciences - USA, 101, 17936-17939 and cover photograph.
Johnson, C.L., Hÿtch, M.J., and Buseck, P.R. (2004) Displacement and strain fields around a [100] dislocation in olivine measured to sub-Ångstrom accuracy. American Mineralogist, 89, 1374-1379.