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This chapter gives a short description of the physical instrumentation of the transmission electron microscope (fixed beam and scanning modes). It starts with the fundamental physics of electron dynamics for energies in the range 100–1000 keV. Some types of magnetic lenses and aberration correctors used to focus the electrons in the microscope are discussed. Various approximation used in modeling the microscope are introduced. Optical aberrations are defined, and general methods of aberration correction are described briefly.
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 3 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |