FEI Quanta 250FEG Environmental Scanning Electron Microscope
Located in RPL | Stewarded by Edgar C. Buck, Nuclear Chemistry and Engineering Group
Mission
The FEI Quanta 250FEG’s mission is to image a range of radiological materials for research in nuclear forensics, nuclear energy, environmental management, and national security. Materials include, but are not limited to: irradiated fuels, reactor components, and “sludge” from tanks on the Hanford site.
The instrument’s unique environmental chamber also allows for analysis of non-conducting samples and several after-market detectors provide a broader range of imaging possibilities. The scanning/transmission electron microscope detector (STEM) detector, for example, allows users to see through a material rather than simply imaging the surface of it.
Features
- 1-30 keV Environmental scanning electronic microscope, EDAX SSED energy-dispersive detector, electron backscatter diffraction, and wavelength dispersive spectroscopy
- Feed-throughs for electrical for SALVI e-cell
Related publications:
Lui Lili, Maria Sushko, Edgar Buck, Xin Zhang, Libor Kovarik, Zhizhang Shen, Jinhui Tao, Elias Nakouzi, Jun Liu, James De Yoreo. 2019. "Revisiting the Growth Mechanism of Hierarchical Semiconductor Nanostructures: The Role of Secondary Nucleation in Branch Formation." The Journal of Physical Chemistry Letters, 2019, 10, 21, pp. 6827-6834.