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Contact Us
Diana Rhoads
Materials Science Center
Room 264, Materials Science and Engineering Building
Madison, WI 53706
Phone: 608/263-1795
Fax: 608/262-8353
Email: rhoads@engr.wisc.edu
Web services: msc.engr.wisc.edu
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Philips CM200 TEM
Performance
- Acceleration voltage = 200 kV
- Spherical aberration coefficient (Cs) = 0.5mm
- Chromatic aberration coefficient (Cc)= 1.0 mm
- Point resolution = 0.19 nm
- GE light element energy-dispersive x-ray spectroscopy (EDS)
- Full image processing and analysis capabilities
- Side-entry computer controlled eucentric goniometer (± 20º and ± 15º)
Modes of Operation
- TEM
- HREM
- CBED
- Micro diffraction
- EDS
- EELS (?)
Specifications
Electron Source
- Voltage ranges: 20-40-80-120-160-200 or continuous in 50V steps
- Emission Current: 2.5 to 100 m A
- Emitter: Lanthanum Hexaboride (LaB6)
Illumination System Functions
- Intensity zoom for constant intensity
- Intensity Limit for specimen protection against overdose
- Low Dose functions
Imaging System
- Objective lens stability = 1 ppm
- Spherical aberration coefficient (Cs) = 0.5mm
- Chromatic aberration coefficient (Cc)= 1.0 mm
- Continuous (1.4 nm steps) defocus read-out and Scherzer defocus selection
- Point resolution = 0.19 nm
- Line resolution = 0.14 nm
- TEM Magnification range: 25 x - 1.6 Mx
- HREM Magnification range: 4.4 kx - 1.6 Mx
- Diffraction Camera Length: 50 mm - 5500 mm
- ZOOM and HREM lens programs
On-Line Measurments
- Image distances and angles
- Diffraction d-spacings and angles
- Specimen thickness
Modes
- HR-TEM bright and dark filed
- Nanoprobe
- TEM low dose
- Conical illumination
Vacuum System
- Ion getter
- Oil diffusion
- Cryo-trap
- Specimen chamber = 2x10-7 torr
Accessories
- CCD TV with image intensifier
- NORAN Voyager 127 eV Be thin window EDS
- PEELS (?)
- Remote control using a PC
- Computer controlled stage
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