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Skip Navigation LinksFEI Titan ChemiSTEM FEG-STEM

Titan TEM.jpg

Instrument Description

Titan Themis 200 is a state-of-the-art, 80-200 kV X-FEG scanning transmission electron microscope (STEM). The microscope has a point resolution of 0.24 nm and STEM resolution of 0.16 nm. It is equipped with a super-X energy-dispersive X-ray spectroscopy (EDX) system, which provides superior sensitivity and fast-speed EDX analysis and EDX mapping down to the atomic scale. The energy resolution is specified to <136 eV @ MnKα for 10 kcps (output counts) at zero-degree sample tilt. The on-axis bright-field/dark-field STEM detector is composed of a bright-field detector and two dark-field detectors. All detectors are silicon solid-state detectors, and can support a beam current up to 3 nA. The Ceta 16M is FEI's latest 16-megapixel digital camera designed for imaging and diffraction applications. 



Major application for this instrument includes near-atomic resolution defect structural and chemical analysis. High-speed and high-resolution elemental mapping can be done in a few minutes. Nano beam analysis with high brightness allows for efficient characterization of radiation-induced microstructural features. The wide pole piece gap is designed for experiments requiring high tilt angles like 3-D TEM tomography.


Sensor 4,096 x 4,096 CMOS
Pixels14 x 14 µm2
Digitization:16 bit
Binning: 1x, 2x, 4x, 8x

Acquisition speeds (fps = frames per second):

​4k x 4k: 1 fps

2k x 2k: 8 fps

1k x 1k: 18 fps

512 x 512: 25 fps

The microscope is also equipped with CompuStage single-tilt holder, high-visibility, low-background double-tilt holder, and high field-of-view single-tilt tomography holder for multiple applications.

Instrument sample preparation area; Shielded optical microscopy vacuum testing chambers testing properties gross and isotopic gamma scanning; Instron remote load frame gas measurement and analysis accident condition simulator furnace extrusion; Metallic fuel line; Advanced Fuel Cycle Initiative glovebox; Glovebox advance casting system furnace; Metallic fuel line; Metallic fuel line handling; Inert-radiological gloveboxes; Uranium handling repackaging glovebox; Transuranic breakout glovebox gamma irradiator surveillance glovebox line; Cell area Quanta 3D FEG dual-beam SEM FIB JSM-7000f SEM; Gatan precision etching and coating system; Gatan precision ion polishing systems II; Gatan precision ion polishing systems JEM 2010 STEM Cameca SX100R EPMA FEI QUANTA 3D FEG Titan ChemiSTEM FEG-STEM FEI Helios dual-beam SEM-plasma FIB diffraction; Micro X-ray diffractometer Di LemmaJEOL JSM-7000f SEM coupled plasma-mass spectrometer coupled plasma-atomic emission spectrometer; Thermal Ionization Mass Spectrometer coupled plasma-mass spectrometer advance casting system furnace; Hot uniaxial press furnace mass spectrometer; ELTRA CS-800; ELTRA ONH-2000 furnace; Differential scanning calorimeter; Simultaneous thermal analyzer; Pushrod dilatometer; Laser flash analyzer Separator Laboratories X-ray diffractometer; X-ray diffraction; Hot uniaxial press furnace
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