Debye–Scherrer method

E518987

The Debye–Scherrer method is an X-ray powder diffraction technique used to determine the crystal structure and lattice parameters of polycrystalline materials.

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Predicate Object
instanceOf X-ray diffraction technique
powder diffraction method
advantage does not require single crystals
suitable for polycrystalline and powdered samples
alsoKnownAs Debye–Scherrer powder method
powder camera method
analyzes intensities of diffraction rings
positions of diffraction rings
appliesTo ceramics
metals
minerals
polycrystalline materials
powdered crystalline compounds
basedOn Bragg diffraction
Bragg's law
component X-ray source
collimator or slit system
cylindrical sample holder or capillary
photographic film or position-sensitive detector
developedBy Paul Scherrer
Peter Debye
developedIn 1916
enables determination of unit cell dimensions
identification of unknown crystalline phases
indexing of diffraction peaks
field crystallography
materials science
solid-state physics
historicalSignificance one of the earliest X-ray powder diffraction methods
measurementOutput diffraction angle 2θ
interplanar spacing d
produces diffraction rings on photographic film or detector
relatedTo Laue method
linked to: Laue equations

Rietveld refinement
single-crystal X-ray diffraction
requires finely powdered sample
monochromatic X-ray beam
usedFor determining crystal structure of polycrystalline materials
determining lattice parameters of crystalline materials
measuring crystallite size
measuring microstrain in crystals
phase identification in polycrystalline samples
uses X-rays
powdered or polycrystalline samples
usesEquation Scherrer equation for crystallite size
usesGeometry transmission geometry
usesInstrument Debye–Scherrer camera

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Full triples — surface form annotated when it differs from this entity's canonical label.

Peter Debye knownFor Debye–Scherrer method
Debye–Scherrer method alsoKnownAs Debye–Scherrer powder method
linked to: Debye–Scherrer method
Debye–Scherrer method usesInstrument Debye–Scherrer camera
linked to: Debye–Scherrer method
Paul Scherrer knownFor Debye–Scherrer method
Paul Scherrer coDeveloperOf Debye–Scherrer method
Paul Scherrer notableWork Debye–Scherrer method