Dear All
Has anyone suitable reference about elastic constant matrix for Hexagonal
lattice .
In principle does this elastic constants differ in each Hexagonal shape
crystals?( I mean for example between NiAs-type material that has Hexagonal
lattice and? HCP lattice )? .
Another question: is any reffernce about how to connect the elestic constant of
Hexagonal to phonon frequency?
Thanks a lot
Ali Kazempour
Fritz-Haber-Institut fax : ++49-30-8413 4701
der Max-Planck-Gesellschaft
Faradayweg 4-6 e-mail: kazempou at fhi-berlin.mpg.de
D-14 195 Berlin-Dahlem / German
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