Table 1 Comparison of Ti-O and Nd-O coordination numbers from ND, EPSR, the nearest crystalline phase, and studies on compositionally similar rare-earth (RE) titanate glasses.
From: Octahedral oxide glass network in ambient pressure neodymium titanate
Method | \(n_{TiO}\) | \(\overline{r}_{TiO}\)(Å) | RE | \(n_{REO}\) | \(\overline{r}_{REO}\)(Å) |
|---|---|---|---|---|---|
ND first order difference | 5.43(15) | – | Nd | 7.95(35) | – |
EPSR | 5.72(6) | 1.984(11) | Nd | 7.70(26) | 2.598(22) |
Nd4Ti9O24 crystal | 6 | 1.974 | Nd | 7.5 | 2.475 |
XANES: 83TiO2-17Nd2O3 glass4 | 5.59(11) | – | Nd | – | – |
XANES: 83TiO2-17La2O3 glass4 | 5.63(10) | – | La | – | – |
HEXRD: 83TiO2-17La2O3 glass4 | 5.46(9) | 1.942(2) | La | 9.4(2) | 2.531(4) |
ND/HEXRD: La4Ti9O24 glass5 | 5.35 | 1.90 | La | 8.0 | 2.48 |
ND: Sm4Ti9O24 glass11 | 4.7 | 1.9 | Sm | 7.2 | 2.46 |
