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19 results on '"Jafari Eskandari, Mohammad"'

15. Transmission Electron Microscopy of Nanomaterials

Author

Jafari Eskandari, Mohammad, Gostariani, Reza, and Asadi Asadabad, Mohsen

Subjects
Science / Physics
Abstract

Structural and analytical characterization, in the nanometer scale, has become very important for all types of materials in recent years. Transmission electron microscope (TEM) is a perfect instrument for this purpose, which is summarized in this chapter. Parameters such as particle size, grain size, lattice type, morphological information, crystallographic details, chemical composition, phase-type, and distribution can be obtained by transmission electron micrographs. Electron diffraction patterns of nanomaterials are also used to acquire quantitative information containing size, phase identification, orientation relationship and crystal defects in the lattice structure, etc. In this chapter, typical electron diffraction, high-resolution transmission and scanning transmission electron microscope imaging in materials research, especially in the study of nanoscience are presented.

Published
2018

19. Transmission Electron Microscopy as Best Technique for Characterization in Nanotechnology.

Author

Asadi Asadabad, Mohsen and Jafari Eskandari, Mohammad

Subjects
*TRANSMISSION electron microscopy, *NANOTECHNOLOGY, *NANOSTRUCTURED materials, *MATERIALS science, *CRYSTALLOGRAPHY
Abstract

The authors summarize the applications of transmission electron microscopy in the field of nanotechnology. Transmission electron microscopy (TEM) has represented as a very powerful instrument for studying and researching about the structure of nanomaterials in the material science world. The quantitative measures of particle size, grain size, size distribution, size homogeneity, lattice type, morphological information, crystallographic details, chemical composition of phases distribution, and parameters can obtain by transmission electron micrographs. So, TEM is the best technique for characterization of the nanomaterials such as nanoparticles and nanocomposites. Moreover, this study shows that electron diffraction pattern via the TEM is a perfect procedure for determining the structure of materials, including perfect crystals, defect structure, and phases. The study tries to show ability of TEM for characterization of nanomaterials. [ABSTRACT FROM PUBLISHER]

Published
2015
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