T Humer-Hager et al 1986 J. Phys. C: Solid State Phys. 19 2153 doi:10.1088/0022-3719/19/13/007
T Humer-Hager, G Bauer and J Brandmuller
Show affiliationsThe structural phase transition in Pb1-xGexTe was examined using Raman scattering by soft transverse optical phonon modes (q to 0). An infrared laser ( lambda =1.064 mu m) was employed to increase the scattering volume. The results are consistent with a second-order type of phase transition, which can occur in this pseudo-binary system according to a group theoretical analysis. Samples with Ge content x where 3.5<or=x<or=13.4% were studied.
78.30.Hv Other nonmetallic inorganics
64.70.K- Solid–solid transitions
63.70.+h Statistical mechanics of lattice vibrations and displacive phase transitions
61.50.Ah Theory of crystal structure, crystal symmetry; calculations and modeling
Issue 13 (10 May 1986)
T Humer-Hager et al 1986 J. Phys. C: Solid State Phys. 19 2153
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