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posted by  hiragana on 7/2/2009 10:33:44 PM  |  status: Live  |  Earned Karma: 35

[S1-3] Lifesaver

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Show that the c/a ratio for an ideal hexagonal close-packed structure is . If c/a is significantly larger than this value, the crystal structure may be thought of as composed of planes of closely packed atoms, the planes being loosely stacked.
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posted by redcloud173 on 7/4/2009 1:55:37 AM  |  status: Live
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Response Details:
this site has the solution:

http://www.doitpoms.ac.uk/tlplib/slip/ideal_axial_ratio.php
feel free to send me a message if something isn't clear. and please rate me.
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