1. Perfect crystalCrystalline materials are made up of solid regions of ordered matter (atoms placed in one of a number of ordered formations called Bravais lattices). These regions are known as crystals. A perfect crystal is one that contains no point, linear, or planar imperfections. There are a wide variety of crystallographic defects. The hypothetical concept of a perfect crystal is important in the basic formulation of the laws of thermodynamics.
Read “Perfect crystal” on English Wikipedia
Read “完全結晶” on Japanese Wikipedia
Read “Perfect crystal” on DBpedia
Read “Perfect crystal” on English Wikipedia
Read “完全結晶” on Japanese Wikipedia
Read “Perfect crystal” on DBpedia
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