The forbidden phonon mode in Fe-Ni Invar
S Lipinski; K -U Neumann; K R A Ziebeck; S Lipinski; Inst. of Molecular Phys., Polish Acad. of Sci., Poznan, Poland; K -U Neumann; Inst. of Molecular Phys., Polish Acad. of Sci., Poznan, Poland; K R A Ziebeck; Inst. of Molecular Phys., Polish Acad. of Sci., Poznan, Poland
Журнал:
Journal of Physics: Condensed Matter
Дата:
1994-11-07
Аннотация:
A simple analysis of the breaking of the symmetry of the phonon modes by slow distortions is presented. A phenomenological model is put forward for an explanation of the recently discovered 'forbidden mode' in Fe<sub>65</sub>Ni<sub>35</sub> Invar alloy.
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