Question

Describe the perfect and imperfect crystals

Answer 1

Crystals: Perfect and Imperfect (Bennett, Allan ). David H. Templeton. J. Chem. Educ. , 1966, 43 (10), p 563. DOI: 10.1021/ed043p563.1.

Answer 2

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A perfect crystal is a crystal that contains no point, line, or planar defects. There are a wide variety of crystallographic defects. The hypothetical concept of a perfect crystal is important in the basic formulation of the third law of thermodynamics. ... Imperfections are created by various thermodynamic processes.