aliovalent
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Aliovalent — Deux atomes aliovalents (de alio pour différent et valent pour charge) sont deux atomes ayant des charges / valences différentes. Dans le cas contraire (atomes ayant une charge / valence identique), on parle d atomes isovalents. Exemples Dans un… … Wikipédia en Français
Crystallographic defect — Crystalline solids exhibit a periodic crystal structure. The positions of atoms or molecules occur on repeating fixed distances, determined by the unit cell parameters. However, the arrangement of atom or molecules in most crystalline materials… … Wikipedia
electroceramics — category of advanced ceramic materials that are employed in a wide variety of electric, optical, and magnetic applications. In contrast to traditional ceramic products such as brick and tile, which have been produced in various forms for… … Universalium
