electron optical

  • 81Core electron — Core electrons are the electrons in an atom that are not valence electrons and therefore do not participate in bonding. An example: the carbon atom has a total of 6 electrons, 4 of them being valence electrons. So the remaining 2 electrons must… …

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  • 82Microscope, electron (EM) — A microscope in which an electron beam replaces light to form the image. EM has its pluses (greater magnification and resolution than optical microscopes) and minuses (you are not really seeing objects, but rather you are looking at their… …

    Medical dictionary

  • 83Microscopy, electron (EM) — Microscopy in which an electron beam replaces light to form the image. EM has its pluses (greater magnification and resolution than optical microscopes) and minuses (you are not really seeing objects, but rather you are looking at their electron… …

    Medical dictionary

  • 84microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …

    Universalium

  • 85clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… …

    Universalium

  • 86Albert Crewe — Infobox Scientist box width = name = Albert Victor Crewe image width = caption = birth date = Birth date|1927|2|18 birth place = Bradford, England death date = death place = residence = citizenship = USA nationality = ethnicity = fields = Physics …

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  • 87ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …

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  • 88Spin Hall effect — The Spin Hall Effect (SHE) is a transport phenomenon predicted by the Russian physicists M.I. Dyakonov and V.I. Perel in 1971 [1,2] . It consist of an appearance of spin accumulation on the latteral surfaces of a current carrying sample, the… …

    Wikipedia

  • 89Ondrej Krivanek — Ondrej L. Krivanek FRS (born August 1, 1950, as Ondřej Ladislav Křivánek) is a Czech/British physicist resident in the United States, and a leading developer of electron optical instrumentation. He was born in Prague, and graduated from a… …

    Wikipedia

  • 90ГОСТ 21006-75: Микроскопы электронные. Термины, определения и буквенные обозначения — Терминология ГОСТ 21006 75: Микроскопы электронные. Термины, определения и буквенные обозначения оригинал документа: 12. V образный катод Нрк. Шпилькообразный катод Катод, изготовленный из проволоки, согнутой под острым углом, вершина которого… …

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