A series of electron diffraction patterns of T2-AI6CuLi3 with various degrees of distortion have been obtained and interpreted. It is shown that a certain quenched linear phason strain can introduce imperfections into icosahedral quasicrystals such that the structure deviates from its idealized form and changes towards a corresponding b.c.c. lattice. A possible approach to constructing an icosahedral quasicrystal structural model from the structure of the b.c.c. phase is pointed out.
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Li et al. (1989) studied this question.
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