TERMIUM Plus®

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SPACE LATTICE [1 record]

Record 1 2009-03-01

English

Subject field(s)
  • Mineralogy
  • Photoelectricity and Electron Optics
DEF

The three-dimensional, regularly repeating atomic arrangement of a crystal, each point of which has identical surroundings.

OBS

The lattice is built by the regular, parallel translation in space of the unit cell.

OBS

... pure fluorapatite is relatively rare in commercial sedimentary deposits due to ionic substitutions in several positions within the apatite lattice.

PHR

Crystal lattice parameter.

French

Domaine(s)
  • Minéralogie
  • Photo-électricité et optique électronique
DEF

Motif élémentaire d'atomes, d'ions ou de molécules dont la reproduction régulière constitue le cristal.

CONT

Ainsi le réseau cristallin, expression de la structure périodique de la matière dans l'état cristallin, a nécessairement toute la symétrie du cristal, mais il peut avoir des éléments de symétrie supplémentaire.

CONT

[...] la fluorapatite pure est relativement rare dans les gisements sédimentaires commercialement exploitables, en raison de substitutions ioniques en plusieurs points du réseau cristallin de l'apatite.

PHR

Paramètre d'une maille cristalline.

Spanish

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