field emission microscope


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  • field-emission microscope — noun electron microscope used to observe the surface structure of a solid • Hypernyms: ↑electron microscope * * * /feeld i mish euhn/ a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a… …   Useful english dictionary

  • field emission microscope — autoemisinis elektroninis mikroskopas statusas T sritis radioelektronika atitikmenys: angl. field emission microscope vok. Feldelektronenmikroskop, n; Feldemissionsmikroskop, n rus. автоэмиссионный микроскоп, m; автоэмиссионный электронный… …   Radioelektronikos terminų žodynas

  • field-emission microscope — /feeld i mish euhn/ a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a magnified image of the emitting surface. Cf. field ion microscope. [1950 55] * * * …   Universalium

  • Field ion microscope — Field ion microscopy (FIM) is an analytical technique used in materials science. The field ion microscope is a type of microscope that can be used to image the arrangement of atoms at the surface of a sharp metal tip.It was the first technique by …   Wikipedia

  • field-ion microscope — /feeld uy euhn, uy on/ a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen. Cf.… …   Useful english dictionary

  • field-ion microscope — /feeld uy euhn, uy on/ a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen. Cf.… …   Universalium

  • Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… …   Wikipedia

  • field emission microscopy — noun a technique that uses field emission of electrons or positive ions from the needle shaped tip of an emitter to produce a magnified image of the emitter surface (showing each atom) on a fluorescent screen …   Wiktionary

  • Field emission microscopy — (FEM) is an analytical technique used in materials science to investigate molecular surface structures and their electronic properties. [cite web | title = Intro to Field Emission | publisher = Field Emission / Ion Microscopy Laboratory, Purdue… …   Wikipedia

  • field emission — Physics. the removal of electrons from a metallic conductor by a strong electric field. [1925 30] * * * ▪ physics also called  Cold Emission,         discharge of electrons from the surface of a material subjected to a strong electric field. In… …   Universalium

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