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diffusive versus propagating soft phonon modes |
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| Jun8-09, 03:33 PM | #1 |
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diffusive versus propagating soft phonon modes
Can anyone explain the difference between "diffusive" and "propagating" soft phonon modes?
According to the Lines and Glass text, this is the difference between "displacive" and "order-disorder" transitions in ferroelectric crystals. |
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| diffusion, distortion, ferroelectric, lattice, transition |
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