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RESEARCH PRODUCT
Evidence for a glassy dynamics in (Rb-NH 4 ) 2 SO 4 mixed compounds
Patrick SimonMario MaglioneDomingos De Sousa MenesesG. Hauretsubject
Materials scienceMixed crystalCondensed matter physicsDynamics (mechanics)Relaxation processGeneral Physics and AstronomyDielectricOrientational glassdescription
An orientational glass behavior is evidenced in a [Rb0.7(NH4)0.3]2SO4 mixed crystal. Dielectric experiments (1 kHz–250 MHz) performed along the c-axis evidenced a polydispersive relaxation process. Its temperature dependence follows a Vogel-Fulcher law with a freezing temperature of 12 K.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1996-11-20 | Europhysics Letters (EPL) |