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Function Graphene_Tube


\begin{boxedminipage}{\textwidth} \begin{verbatim}r = Graphene_Tube(tube,a,n,m, & nz)\end{verbatim} \end{boxedminipage}

Construct a $(n,m)$ nanotube with lattice parameter a and nz unit cells along the tube length. Returns the radius of the tube.

tube -- type(Atoms), intent(out)

a -- real(dp), intent(in)

n, m, nz -- integer, intent(in)

Return value -- real(dp)

water function
gabor 2009-06-30