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  2. Rutherford scattering experiments - Wikipedia

    en.wikipedia.org/wiki/Rutherford_scattering...

    Schematic view of a head-on collision between an alpha particle and an atom. The radius of the atom is on the order of 10 -10 m and the minimum stopping distance is on the order of 10 -14 m. Where the particle stops at a distance r min {\displaystyle r_{\text{min}}} from the centre, the potential energy matches the original kinetic energy: [ 44 ...

  3. Scanning helium microscopy - Wikipedia

    en.wikipedia.org/wiki/Scanning_helium_microscopy

    Geometry of a scanning helium microscope in its zone plate configuration showing the variables used in this article. Image taken from [27] (uploaded by the author). The zone plate microscope uses a zone plate (that acts roughly like as a classical lens) instead of a pinhole to focus the atom beam into a small focal spot. This means that the ...

  4. Rutherford model - Wikipedia

    en.wikipedia.org/wiki/Rutherford_model

    This was in a gold atom known to be 10 −10 metres or so in radius—a very surprising finding, as it implied a strong central charge less than 1/3000th of the diameter of the atom. The Rutherford model served to concentrate a great deal of the atom's charge and mass to a very small core, but did not attribute any structure to the remaining ...

  5. Quantum microscopy - Wikipedia

    en.wikipedia.org/wiki/Quantum_microscopy

    Quantum microscopy allows microscopic properties of matter and quantum particles to be measured and imaged. Various types of microscopy use quantum principles. The first microscope to do so was the scanning tunneling microscope, which paved the way for development of the photoionization microscope and the quantum entanglement microscope.

  6. Atomic force microscopy - Wikipedia

    en.wikipedia.org/wiki/Atomic_force_microscopy

    An atomic force microscope on the left with controlling computer on the right Atomic force microscopy [ 1 ] (AFM) is a type of SPM, with demonstrated resolution on the order of fractions of a nanometer, more than 1000 times better than the optical diffraction limit .

  7. Field ion microscope - Wikipedia

    en.wikipedia.org/wiki/Field_ion_microscope

    Field ion microscope image of the end of a sharp platinum needle. Each bright spot is a platinum atom. The field-ion microscope (FIM) was invented by Müller in 1951. [1] It is a type of microscope that can be used to image the arrangement of atoms at the surface of a sharp metal tip.

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  9. Scanning electron microscope - Wikipedia

    en.wikipedia.org/wiki/Scanning_electron_microscope

    An account of the early history of scanning electron microscopy has been presented by McMullan. [2] [3] Although Max Knoll produced a photo with a 50 mm object-field-width showing channeling contrast by the use of an electron beam scanner, [4] it was Manfred von Ardenne who in 1937 invented [5] a microscope with high resolution by scanning a very small raster with a demagnified and finely ...

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