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Electron Microscopy Facility

Characterization Facilities

The Nanocharacterization Laboratory at Lehigh contains one of the largest electron microscopy facilities in the U.S., with a suite of 10 scanning, transmission and scanning / transmission instruments. These are well suited for characterizing nanoscale structures and chemistry via an unparalleled range of imaging and analytical methods.

Infrastructure and Support. The Electron Microscopy Facility has excellent supoort services to keep the instruments at peak performance and to optimize their use. There are complete specimen preparation facilities including a Gatan PIPS, a plasma cleaner, chemical jet polishers, dimplers, wire saws, diamond cutting wheels and a comprehensive metallographic suite. In addition, there are facilities for digital image acquisition and manipulation, off-line computers for data analysis, and extensive microscopy-related software. Modifications to the instruments can be developed with the aid of a machine shop, which is nearby.

The Nanocharacterization Laboratory houses the world's highest resolution X-ray analytical microscope - a unique instrument custom designed for nanoscale analysis and imaging.

Scanning Transmission Electron Microscopes
Vacuum Generators HB 603 (not currently available)

Transmission Electron Microscopes
JEOL JEM-1200EX
JEOL JEM-2000FX
JEOL JEM-ARM200CF

Scanning Electron Microscopes
FEI XL30 ESEM
Hitachi 4300 SE/N
JEOL JSM-840

JEOL JSM-6400CL (cathodoluminescence)
JEOL JXA-8900
ZEISS 1550

Focused Ion Beam Equipment
FEI Strata DB 235

Surface Science Equipment
Scienta ESCA-300


The annual Lehigh Microscopy School utilizes many of these instruments and is the largest and longest running course on electron microscopy and analysis. The school now includes the only U.S. course on the "Characterization of Nanostructures". This course is an integrated overview of the different classes of nanostructured materials (quantum structures and devices, nanotubes, nanowires, multilayer, self-assembled materials). It also describes the electron optical tools and techniques currently available to analyze nanomaterial morphology, structure and chemistry.

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