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The structure of Na2Ca2Nb4O13 consists of perovskite-type layers with a thickness corresponding to four perovskite cubes. The interlayer structure is of the rock-salt-type, composed of Na and O atoms. The atomic configuration suggests a ferroelectric nature along the b axis.
Supporting information
![cif](https://journals.iucr.org//../logos/filetypeicons/bw/b1/ciflogo.png) | Crystallographic Information File (CIF) Contains datablocks fake3, global |
![hkl](https://journals.iucr.org//../logos/filetypeicons/bw/b1/hkllogo.png) | Structure factor file (CIF format) Supplementary material |
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