Point networks
Geometric crystallography

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Point networks


Geometric crystallography

Author : André AUTHIER

Publication date: November 10, 1993 | Lire en français

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2. Point networks

2.1 Direct network

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2.1.1 Introduction

If, in the covering group that generated the crystal from a certain pattern, we consider only the subgroup of translations, we can define a network of points, called nodes, which are deduced from each other by the translations of this subgroup.

If the group contains only a translation and its multiples, we obtain a one-dimensional network, called a row. The distance between two successive nodes is the row parameter.

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