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- High-resolution_transmission_electron_microscopy abstract "High-resolution transmission electron microscopy (HRTEM) is an imaging mode of the transmission electron microscope (TEM) that allows for direct imaging of the atomic structure of the sample. HRTEM is a powerful tool to study properties of materials on the atomic scale, such as semiconductors, metals, nanoparticles and sp2-bonded carbon (e.g. graphene, C nanotubes). While HRTEM is often also used to refer to high resolution scanning TEM (STEM, mostly in high angle annular dark field mode), this article describes mainly the imaging of an object by recording the 2D spatial wave amplitude distribution in the image plane, in analogy to a "classic" light microscope. For disambiguation, the technique is also often referred to as phase contrast TEM. At present, the highest point resolution realised in phase contrast TEM is around 0.5 ångströms (0.050 nm). At these small scales, individual atoms of a crystal and its defects can be resolved. For 3-dimensional crystals, it may be necessary to combine several views, taken from different angles, into a 3D map. This technique is called electron crystallography.One of the difficulties with HRTEM is that image formation relies on phase contrast. In phase-contrast imaging, contrast is not necessarily intuitively interpretable, as the image is influenced by aberrations of the imaging lenses in the microscope. The largest contributions for uncorrected instruments typically come from defocus and astigmatism. The latter can be estimated from the so-called Thon ring pattern appearing in the Fourier transform modulus of an image of a thin amorphous film.".
- High-resolution_transmission_electron_microscopy thumbnail Simulation_GaN.png?width=300.
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- High-resolution_transmission_electron_microscopy wikiPageExternalLink index.htm.
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- High-resolution_transmission_electron_microscopy by "no".
- High-resolution_transmission_electron_microscopy hasPhotoCollection High-resolution_transmission_electron_microscopy.
- High-resolution_transmission_electron_microscopy onlinebooks "no".
- High-resolution_transmission_electron_microscopy subject Category:Microscopes.
- High-resolution_transmission_electron_microscopy subject Category:Scientific_techniques.
- High-resolution_transmission_electron_microscopy type Artifact100021939.
- High-resolution_transmission_electron_microscopy type Device103183080.
- High-resolution_transmission_electron_microscopy type Instrument103574816.
- High-resolution_transmission_electron_microscopy type Instrumentality103575240.
- High-resolution_transmission_electron_microscopy type Magnifier103709206.
- High-resolution_transmission_electron_microscopy type Microscope103760671.
- High-resolution_transmission_electron_microscopy type Microscopes.
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- High-resolution_transmission_electron_microscopy type ScientificInstrument104147495.
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- High-resolution_transmission_electron_microscopy comment "High-resolution transmission electron microscopy (HRTEM) is an imaging mode of the transmission electron microscope (TEM) that allows for direct imaging of the atomic structure of the sample. HRTEM is a powerful tool to study properties of materials on the atomic scale, such as semiconductors, metals, nanoparticles and sp2-bonded carbon (e.g. graphene, C nanotubes).".
- High-resolution_transmission_electron_microscopy label "High-resolution transmission electron microscopy".
- High-resolution_transmission_electron_microscopy label "Hochauflösende Transmissionselektronenmikroskopie".
- High-resolution_transmission_electron_microscopy label "Microscopia eletrônica de transmissão de alta resolução".
- High-resolution_transmission_electron_microscopy label "Microscopía electrónica de transmisión de alta resolución".
- High-resolution_transmission_electron_microscopy label "مجهر إلكتروني نافذ عالي الدقة".
- High-resolution_transmission_electron_microscopy sameAs Hochauflösende_Transmissionselektronenmikroskopie.
- High-resolution_transmission_electron_microscopy sameAs Microscopía_electrónica_de_transmisión_de_alta_resolución.
- High-resolution_transmission_electron_microscopy sameAs Microscopia_eletrônica_de_transmissão_de_alta_resolução.
- High-resolution_transmission_electron_microscopy sameAs m.0c77y0.
- High-resolution_transmission_electron_microscopy sameAs Q874906.
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- High-resolution_transmission_electron_microscopy wasDerivedFrom High-resolution_transmission_electron_microscopy?oldid=603007867.
- High-resolution_transmission_electron_microscopy depiction Simulation_GaN.png.
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