Abstract
Newly discovered phase transition at 281 K in Na2TiGeO5 ceramics was studied with thermal analysis techniques. The results of thermal conductivity and dilatometric studies unequivocally demonstrated a ferroelastic character of the second-order phase transition.
Acknowledgments
This study has been financially supported by the Polish Ministry of Scientific Research and Information Technology, Department of Scientific Research (grant no. N507 481388). We thank Paulina Kamyczek for the execution of AFM images in National Laboratory for Quantum Technologies under the POIG 02.02.00-00-003/08-00 project.