High Resolution Transmission Electron Microscope

Image of the Instrument
Image of the Instrument

Technical Specification

Electron Source FEG Source
Operating Voltages 200kV, 120kV, 80kV
Imaging Modes:
  1. Bright field (BF)
  2. Dark Field (DF)
  3. High Resolution Imaging (HRTEM)
  4. Selective Area Diffraction Pattern (SAD)
  5. S-TEM Imaging
Analysis Mode EDS Analysis
STEM-EDS Mapping (Point/Line /Area Mapping)
Resolution
TEM point resolution (nm) 0.24
TEM line resolution (nm) 0.102
STEM resolution (nm) 0.19

Detectors

  1. Bottom mount CCD detector for TEM, HRTEM imaging
  2. EDAX Detector for EDS Analysis in TEM, STEM mode.
  3. High Angle Annular Dark Field Detector for STEM imaging.

HRTEM up-gradation

With the existing HRTEM in 2012 Gatan Imaging Filter (GIF) Detector has been attached which is capable of doing Chemical analysis of the TEM sample.

GIF Specification

Operation Modes
  1. Energy Filter TEM Imaging (EFTEM)
  2. Electron Energy Loss Spectrometry(EELS)
    1. TEM-EELS
    2. STEM-EELS (Point/Line/Area Mapping)
Operating Voltages 200kV, 120kV
Energy Field of view (eV) 2000
Resolution
Energy Resolution (eV FWHM) 0.25

Detector

Energy Filter CCD detector for EFTEM Imaging and EELS Spectrometry
High Resolution TEM Image (HRTEM )
High Resolution TEM Image
(HRTEM )
 Selective Area Electron Diffraction (SAED)
Selective Area Electron Diffraction
(SAED)
 STEM Image
STEM Image
 EFTEM Image (Colour Mapped)
EFTEM Image (Colour Mapped)