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A metal exhibits allotropic transformation from fcc to hp. The lattice constant in the foc phase is 3.5 Angstroms. The h

Posted: Tue May 24, 2022 9:50 am
by answerhappygod
A metal exhibits allotropic transformation from fcc to hp. The
lattice constant in the foc
phase is 3.5 Angstroms. The hep phase has ideal packing and the
same atomic radius as
the fec phase.
Show that for an hep structure with ideal packing, the ratio of
the lattice constants c/a
is.