Figure 3
From: Suppression of abnormal grain growth in K0.5Na0.5NbO3: phase transitions and compatibility
Excess alkali addition: KNN and KNNex bulk ceramics. Samples are represented by the same colour in all plots. (a) X-ray diffractrograms of KNN and KNNex bulk samples resulting from different processing conditions. Overall comparison of influences and process window. (b) Visualisation of process sensitivity for selected samples from (a) by analysing the (011)/(100) and (002)/(020)/(111) orientations. A third calcination affects peak positions and orientations. (c) Influence on the thermal properties. Differential scanning calorimetry measurements of selected samples from (a).
