[Pw_forum] elestic constant for Hexagonal

[Максим Попов]

Dear Ali,

here is a great book on tensorial properties including elasticity:

J.F. Nye, Physical Properties of Crystals, Clarendon Press, Oxford, 1998.

It includes forms of elastic matrices for all possible crystal systems.

-- 
Best regards, Max Popov
Ph.D. student
Materials center Leoben (MCL), Leoben, Austria.


2010/6/21 ali kazempour <kazempoor2000 at yahoo.com>

> 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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