u parameter in hexagonal unitcells

by sryzdn
Tags: hexagonal, parameter, unitcells
sryzdn is offline
Aug28-13, 12:43 AM
P: 7

I have encountered in the papers that people present a, c and c/a as the parameters measured for any hexagonal unit cell. But what is u (angstrom) that sometimes appear among the parameters of a hexagonal unit cell?
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gadong is offline
Aug28-13, 05:18 AM
P: 75
According to http://arxiv.org/abs/1308.1542, the u parameter represents the relative position of two hexagonal close-packed sublattices in the structure (for example, in a binary compound like ZnO).

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