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RESEARCH PRODUCT
Thermal expansion of LiZr2(PO4)3: Water inclusion influence
J. AlamoJ.l. Rodrigosubject
DiffractionMaterials scienceAnalytical chemistryMineralogyGeneral ChemistryTrigonal crystal systemCondensed Matter PhysicsThermal expansionlaw.inventionlawvisual_artLattice (order)visual_art.visual_art_mediumGeneral Materials ScienceCalcinationCeramicMonoclinic crystal systemdescription
Abstract Lattice thermal expansion has been measured on three samples of composition LiZr 2 (PO 4 ) 3 , prepared by (i) a ceramic method, (ii) a gel-route and (iii) a nonstoichiometric ceramic. The first sample is monoclinic (?), with a transition at 50°C to rhombohedral. The second is clearly monoclinic with lattice parameters depending on the calcination temperature (700 to 1200°C. The third kind of synthesis yielded a new PO 4 -deficitary rhombohedral structure. X-ray diffraction measurements in a high temperature camera have been made from room temperature up to 1100°C. Lattice parameters, as well as their dependence on temperature are different for the three samples. While thermal expansion of the ceramic sample shows a regular trend, in the gel-route sample there is a sharp transition between 155 and 200°C.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1989-02-01 | Solid State Ionics |