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The history of this method is to cover various

fundamental problems.

The Bragg’s equation does not explicitly tell

us about the directions in which diffraction

occurs.

Laue equations make the directionality of the

process more obvious as we have a set of

three equations, one for each crystallographic

axis that must be simultaneously satisfied.

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The Laue method is the oldest method of x-

ray diffraction.

A method of studying crystalline structures

by x-ray diffraction, in which a finely

collimated beam of polychromatic x-ray falls

on a single crystal whose orientation can be

set as desired, and diffraction of the beam

recorded on a photographic film.

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