This course provides a comprehensive introduction to a range of microscopy techniques (viz. Optical and electron microscopies). The syllabus includes brief introduction to the structure of crystalline solids, imperfections in solid materials and basic concepts of microscopy. Students will explore the main construction and basic principles of various microscopy techniques, the strengths and weaknesses of each technique, and be better planned of selecting a suitable microscopy technique for their research purpose. Other topics include basics of optical properties, electron-solid interactions, electron diffraction and image formation, and discussion of different techniques of specimen preparations. Electron diffraction analyses and X-ray energy-dispersive spectrometry for microstructure characterization, phase identification and crystallography analyses of a wide spectrum of solid materials. A brief introduction to the very recent development of advanced aberration corrected scanning transmission electron microscopy for imaging and spectrometry at atomic resolution.
By the end of this course, students will be able to:
(a) Understand the basic construction, capabilities and limitations of each microscopic technique.
(b) Understand the different modes of image formation in each microscopic technique for microstructure and crystallographic characterization in solid materials.
Optical and electron microscopy techniques, nanostructure, microstructure, crystallography, properties, solid materials
Assignments and quizzes will be given during lectures to improve understanding. Final examination will be given at the end of the course.
|第1回||Introduction||Historical and current developments of microscopy in materials science.|
|第2回||Structure of crystalline solids||Brief introduction to the concepts of lattice, basis, crystal structure systems and streographic projection.|
|第3回||Imperfections in solid materials||Introduction to various types of defects in solid materials|
|第4回||Optical microscopy||Basic structure and principles of optical microscopy, properties of light, image formation, magnification and resolution.|
|第5回||Scanning electron microscopy (SEM)-I:Introduction and Imaging||Instrumentation, electron beam-specimen interactions, concepts of resolution and depth of field and image formation based on secondary and backscattered electrons|
|第6回||Scanning electron microscopy (SEM)-II: Lens Aberrations and X-ray microanalysis.||Descriptions of various lens aberrations, generation of characteristic X-rays and a brief introduction to Electron Probe Micro Analyzer (EPMA)|
|第7回||Scanning electron microscopy (SEM)-III: Specimen preparation||Introduction to various specimen preparation methods for optical microscopy, SEM and EPMA. Microstructure analyses by Image J software.|
|第8回||Transmission Electron microscopy (TEM)-I: Introduction||Introduction to the different components and their functions of a TEM microscope.|
|第9回||Transmission Electron microscopy (TEM)-II: Electron scattering and electron diffraction||Electron diffraction, Bragg’s Law and thinking in reciprocal space, indexing diffraction pattern and structure factor calculation.|
|第10回||Transmission Electron microscopy (TEM)-III: Electron scattering-continue||Ewald Sphere, bight field and dark field imaging, microstructure and electron diffraction pattern analyses.|
|第11回||Transmission Electron microscopy (TEM)-IV: Imaging: mass-thickness contrast and diffraction contrast||Principles of various imaging modes, two-beam condition imaging and defects characterizations|
|第12回||Transmission Electron microscopy (TEM)-V: Imaging: mass-thickness contrast and diffraction contrast-continue||Descriptions of the formation of thickness fringes and bend contours.|
|第13回||Transmission Electron microscopy (TEM)-VI: Imaging: phase contrast and Z-contrast||Image formation of lattice and moire fringes, and a brief introduction to the high-angle annular dark field (HAADF) imaging by STEM.|
|第14回||Transmission Electron microscopy (TEM)-VII: Specimen preparation||Introduction to various techniques of TEM specimen preparation in solid materials.|
|第15回||Review||A brief overall review on the optical microscopy, scanning and transmission electron microscopies.|
1) William D. Callister, Jr. and David G. Rethwisch, Materials Science and Engineering: An Introduction, (Wiley, 2014, 9th edition)
2) Joseph I. Goldstein, Dale E. Newbury, Patrick Echlin, David C. Joy, Charles Fiori and Eric Lifshin, Scanning Electron Microscopy and X-ray Microanalysis-A Text for Biologists, Materials Scientists and Geologists, (Plenum Press, New York, 1981).
3) David B. Williams and C. Barry Carter, Transmission Electron Microscopy- A Textbook for Materials Science, (Plenum Press, New York, 1996).
1) Nobuo Tanaka, Ed., Scanning Transmission Electron Microscopy of Nanomaterials- Basics of Imaging and Analysis, (Imperial College Press, 2015)
Students are assessed by quizzes, assignments and final examination.
Sufficient level of English and some knowledge of crystallography in solid materials are necessary. Students with the ability to imagine 3D structure may be helpful.
Suzukakedai, J2 building, 14th floor, Room 1413 (ext. 5578)