| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10636960 | Solid State Sciences | 2005 | 5 Pages |
Abstract
Electron diffraction and high resolution electron microscopy have been used to characterize two new one-dimensional superstructures in the ARhO system (AÂ =Â Ca, Sr) related to the 2H-ABO3-type. They are formed by the intergrowth of n A3Aâ²BO6 blocks, showing the Sr4RhO6-type, with A12Aâ²2B8O30 blocks, constituted by two A3O9 and two A3Aâ²O6 layers alternating in the stacking sequence 1:1, leading to the A27Aâ²7B13O60 (n=5) and A30Aâ²8B14O66 (n=6) compositions. A crystallographic shear mechanism is proposed to describe the structural relationship between Sr4RhO6 (A3Aâ²BO6-type) and the new superstructures.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
MarÃa Hernando, Khalid Boulahya, Marina Parras, José M. González-Calbet,