university of calcutta

ELECTRON MICROSCOPY

The electron microscope facilities of the CRNN consists of a 200 KV Transmission Electron Microscope system, a Field-emission Scanning Electron Microscope and a Variable Pressure Scanning Electron Microscope for investigation of biological materials.

TRANSMISSION ELECTRON MICROSCOPY

MODEL: JEOL JEM 2100 HR with EELS

TITLE DESCRIPTION
Resolution Point to Point resolution  of  0.23 nm & lattice resolution of 0.14 nm
Accl. Voltage 80 KV to 200 KV
Modes of Operation TEM, EDS, NBD & CBD
Source LaB6
Sample holders Heating holder (800C)
Cooling holder (-160C)
Tilting holder
Straining holder
Cryotransfer system
EDS INCA Energy TEM 200 with analysis software
EELS Model 963 GIF Quantum Imaging Filter System
Energy resolution:0.7ev
EELS/EFTEM software

FIELD EMISSION SCANNING ELECTRON MICROSCOPY

MODEL JEOL JSM-7600F

TITLE DESCRIPTION
Voltage 100V to 30KV
Source Thermal Field Emission Gun (ZrO-W)
Resolution 1 nm at 15KV & 1.5 nm at 1KV
Probe current up to 200A
Detectors Secondary Electron Detector
Back-scatter Electron Detector
EDS/EBSD INCA Energy 250 & HKL Advanced  EBSD system
CL Mono CL 4 (Gatan)

SCANNING ELECTRON MICROSCOPE for Biological Samples

MODEL: ZEISS EVO 18 SPECIAL EDITION

TITLE DESCRIPTION
Resolution 3nm
Source Tungsten Filament
Antimony
EDS INCA Energy 250 Microanalysis System (EDS)
Upgradation to life science model Variable pressure range from 400 to 3000 Pa
Extended pressure secondary electron detector
Water vapor introduction kit
Peltier cooled stage
Cryo transfer Quorum Tech Cryo Transfer system
In situ fracture
In situ coater