Electron microscopy
Advantages and Disadvantages of TEM-Related Techniques
- Practical Electron Microscopy and Database -
- An Online Book -
Microanalysis | EM Book                                                                                   https://www.globalsino.com/EM/        

This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.


In general, Transmission Electron Microscopy (TEM) techniques are very powerful in material analysis with various advantages:
         i) High-quality images can be obtained with TEMs.
         ii) TEMs have various applications at high spatial resolutions in different fields such as scientific, educational and industrial fields.
         iii) TEMs in combination with EDS and EELS provide elemental and atomic-bonding information.
         iv) TEMs provide the highest magnification in microscope field.
         v) TEMs can provide information about surface features, shape, size and structure.

However, TEMs also present some disadvantages:
         i) The instruments are very large and expensive.
         ii) TEMs require special housing and maintenance because they are sensitive to mechanical vibration, fluctuation of electromagnetic fields, and variation of cooling water.
         iii) Sample preparations from bulk materials are normally very time-consuming.
         iv) Potential artifacts can be generated by sample preparation.
         v) Special training is needed for tool operation and data analysis.
         vi) TEM samples are limited to those that tolerate the vacuum chamber and are small enough to fit in the chamber.



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