Table 3: The Ti: Ba: W ratio (at.%) in the bulk (XRD data) and interface regions (XPS) of the ceramics investigated.

SpecimenMethodTi: Ba: W

1XRD94.0: 22.0: 1
XPS7.1: 2.7: 1
2XRD31.0: 8.0: 1
XPS7.5: 2.2: 1
3XRD30.0: 8.0: 1
XPS6.0: 2.5: 1
4XRD23.0: 6.0: 1
XPS5.3: 1.8: 1
5XRD38.0: 10.0: 1
XPS5.3: 2.8: 1
6XRD30.0: 8.0: 1
XPS6.6: 1.3: 1