Precession electron diffraction (PED) is a specialized method to collect electron diffraction patterns in a transmission electron microscope (TEM). By rotating (precessing) a tilted incident electron beam around the central axis of the microscope, a PED pattern is formed by integration over a collection of diffraction conditions. This produces a quasi-kinematical diffraction pattern that is more suitable as input into direct methods algorithms to determine the crystal structure of the sample.
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approaches to reduce dynamical effects such as precessionelectrondiffraction and three-dimensional diffraction methods. Averaging over different directions...
Usykin in 1933, which has since been used for surfaces, via precessionelectrondiffraction, with much of the early work described in the work of Boris...
transmission electron microscopy (HRTEM) Low-voltage electron microscope (LVEM) Precessionelectrondiffraction Scanning confocal electron microscopy "Viruses"...
diffraction", scanning electron nano diffraction, nanobeam electrondiffraction, or pixelated STEM. The use of diffraction patterns as a function of position...
Neutron diffraction at the ILL NMR crystallography Point group Precessionelectrondiffraction Quasicrystal Reflection high-energy electrondiffraction Space...
They can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those...
from electrondiffraction data are far less reliable than their counterparts from X-ray single-crystal and powder diffraction data. Existing precession electron...
using electron crystallography. 1998 - A group led by Jon Gjønnes combined three-dimensional electrondiffraction with precessionelectrondiffraction and...
ratio is also the ratio between the observed angular frequency of Larmor precession and the strength of the magnetic field in nuclear magnetic resonance applications...
superconductivity, Theorie der Supraleitung, and revised his books on electrondiffraction, Materiewellen und ihre Interferenzen, and the first volume of his...
path. The electron moves in a rotating frame of reference, and this additional precession of the electron is called the Thomas precession. It can be...
by precession X-ray diffraction and the Weissenberg method on a single crystal. With the data from the single crystal and powder x-ray diffractions Mason...
whether the muon spin motion is predominantly a rotation (more precisely a precession around a still magnetic field), a relaxation towards an equilibrium direction...
Mineralogy at the Massachusetts Institute of Technology. He invented the X-ray precession camera for studies in crystallography. Buerger authored twelve textbooks/monographs...
15.05 Å, Z = 3 Å; V = 588.23 Å. The precession photographs show sheldrickite to be hexagonal with a diffraction symmetry of 6/mmm, with space-group choices...
the work of Hipparchus (190–120 BCE), when determining a value for the precession of the Earth, while controlled experiments can be seen in the works of...
prepolarization (on the order of 10–100 mT) and by measuring the Larmor precession fields at about 100 microtesla with highly sensitive superconducting quantum...
and Paul Scherrer determined the structure of graphite by powder X-ray diffraction. The structure was studied in more detail by V. Kohlschütter and P. Haenni...
the knowledge of the chemistry of the constituent parts and the X-ray diffraction patterns obtained by Rosalind Franklin. This discovery lead to an explosion...
transport in non-Euclidean space provides the kinematic basis of Thomas precession twelve years before its experimental discovery by Thomas; Felix Klein...
Hipparchos discovers the apsidal precession of the Moon's orbit. 2nd century BC: Hipparchos discovers Axial precession. 2nd century BC: Hipparchos measures...
large optical anisotropy, from gray to dull golden orange. The X-ray precession image classifies the coyoteite crystal system as triclinic. The crystal...
other biomolecules in solution, whereas in solid form crystal x-ray diffraction typically used to identify stereochemistry. The heteronuclear NOE is...