Neutron, X-ray and Brillouin scattering studies of rotator phases with fast ion conduction
1981; Elsevier BV; Volume: 5; Linguagem: Inglês
10.1016/0167-2738(81)90289-7
ISSN1872-7689
AutoresRobert Aronsson, H. E. Gunilla Knape, Arnold Lundén, L. Nilsson, L. M. Torell,
Tópico(s)Thermodynamic properties of mixtures
ResumoLithium sulphate undergoes a first-order phase transition at 575 °C and melts at 860 °C. The transition is characterized by a marked change in volume and a high latent heat, roughly three times the heat of melting (1). The plastic crystalline high-temperature phase of f.c.c. symmetry has a high ionic conductivity (1–3 (Ωcm))−1). This phase has been studied by neutron and X-ray diffraction and by Brilliouin scattering.
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