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crystal lattice |
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crystal latticeThree-dimensional configuration of points connected by lines used to describe the orderly arrangement of atoms in a crystal. Each point represents one or more atoms in the actual crystal. The lattice is divided into a number of identical blocks or cells that are repeated in all directions to form a geometric pattern. Lattices are classified according to their dominant symmetries: isometric, trigonal, hexagonal, tetragonal, orthorhombic, monoclinic, and triclinic. Compounds that exhibit a crystal-lattice structure include sodium chloride (table salt), cesium chloride, and boron nitride. See also solid-state physics. crystal lattice [¦krist·əl ′lad·əs] (crystallography) A lattice from which the structure of a crystal may be obtained by associating with every lattice point an assembly of atoms identical in composition, arrangement, and orientation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Tungsten atoms are bigger than nickel ones, so they don't fit comfortably into nickel's crystal lattice, Schuh explains Grains of tungsten-poor alloy become cemented together by tungsten-rich material to form a brick-and-mortar structure. These results indicate that this optical lattice vibration condenses into the polar nanoregions, resulting in a non-uniform distortion of the crystal lattice. Only a certain amount of carbon atoms can be held in the crystal lattice of the iron atom. |
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