Elements of X-ray Diffraction
Prentice Hall, 2001 - Technology & Engineering - 664 pages
Intended to acquaint the reader with the theory of x-ray diffraction, the experimental methods involved, and the main applications. The book is a collection of principles and methods stressing X-ray diffraction rather than metallurgy. KEY TOPICS: The book is written entirely in terms of the Bragg law and can be read without any knowledge of the reciprocal lattice. It is divided into three main parts--Fundamentals; experimental methods; and applications. MARKET: Designed for beginners, not as a reference tool for the advanced reader.
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9-2 BASIC PRINCIPLES The powder pattern of a substance is characteristic of
that substance and forms a sort of fingerprint ... A collection of diffraction patterns
for a great many substances , allows identification of an unknown by recording its
Powder patterns of cubic substances can usually be distinguished at a glance
from those of noncubic substances , since ... but the former contains almost twice
as many lines , while a face - centered cubic pattern is characterized by a pair of
Same as pattern 3 , except for a change in the relative intensities of the two
patterns which is not indicated on the drawing . 5. Pattern of pure y ( body -
centered cubic ) . 6. Superimposed patterns of y and of saturated ß with a
parameter of a4 .