Gryaznov, V. G., Heydenreich, J., Kaprelov, A. M., Nepijko, S. A., Romanov, A. E. and Urban, J.
Crystal Research and Technology 34, (9), pp 1091-1119 (1999) A comprehensive review is given on experimental studies of small particles with fivefold symmetry accompanied by an in-depth theoretical description of their characteristics and computer modeling. The cases of uniform and nonuniform deformations (disclination model), stability and relaxation of elastic stresses in pentagonal particles and needle-like crystals, models of their formation are discussed. [References: 213]
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