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सत्येंद्र नाथ बसु राष्ट्रीय मौलिक विज्ञान केंद्र

सत्येंद्र नाथ बसु राष्ट्रीय मौलिक विज्ञान केंद्र

S. N. Bose National Centre for Basic Sciences

Publications Research publications Publication status Research publication status Annual reports Bose Archive Prof. S. N. Bose Archive
Research publications Research publication status Annual reports Newsletter Prof. S. N. Bose Archive

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Facilities
Technical Cell - Central Equipment Facilities

High Resolution Transmission Electron Microscope (HRTEM)

Equipments

High Resolution Transmission Electron Microscope unit
High Resolution Transmission Electron Microscope unit
EFTEM Image (Colour Mapped)
EFTEM Image (Colour Mapped)
Selective Area Electron Diffraction (SAED)
Selective Area Electron Diffraction (SAED)
STEM Image
STEM Image
High Resolution TEM Image (HRTEM)
High Resolution TEM Image (HRTEM)
Technical Specification
Electron Source
FEG Source
Operating Voltages
200KV, 120KV,80KV
Imaging Modes
  • Bright field (BF)
  • Dark Field (DF)
  • High Resolution Imaging (HRTEM)
  • Selective Area Diffraction Pattern (SAD)
  • 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
  • Bottom mount CCD detector for TEM, HRTEM imaging.
  • EDAX Detector for EDS Analysis in TEM, STEM mode.
  • 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
Energy Resolution (eV FWHM)
0.25
Detector

Energy Filter CCD detector for EFTEM Imaging and EELS Spectrometry