Could crystalline GeSbTe be considered a dielectric?

  • Thread starter johng23
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I am interested in the recent theoretical prediction that a shocked crystal can be a source of coherent THz radiation. The computational study was done for a crystal of NaCl, but the authors say that basically any dielectric crystal would work, as the radiation is emitted due to polarization currents in the shocked material, and the coherence comes from the periodicity of the lattice.

My question is, is it reasonable to say that GeSbTe (in a cubic, distorted rocksalt form) may show this effect? Of course it's entirely speculative - no one has observed the effect experimentally anyway. I'm just not sure how to judge the polarizability of this structure.
 

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