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Figure 2
Temperature dependence of the normalized lattice parameters of rhombohedral (a) GeTe, GeSe0.2Te0.8 and GeSe0.5Te0.5, (b) Ge4Se3Te and (d) GeSe. The c/a ratios of the rhombohedral and hexagonal compounds are shown in (c). |
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Figure 2
Temperature dependence of the normalized lattice parameters of rhombohedral (a) GeTe, GeSe0.2Te0.8 and GeSe0.5Te0.5, (b) Ge4Se3Te and (d) GeSe. The c/a ratios of the rhombohedral and hexagonal compounds are shown in (c). |