Table 5. Unit Cell Parameters (Å) and Rwp (%) Values of the PDF Refinements in Ranges (Å) up to 100 Å, Using Cubic and Tetragonal Symmetry for the Heat-Treated Tb:KY3F10 Sample.
| cubic |
tetragonal |
|||||
|---|---|---|---|---|---|---|
| range | a | Rwp | a | c | c/a√2 | Rwp |
| 10 | 11.5484 (58) | 18.1 | 8.1388 (110) | 11.6059 (270) | 1.0083 (27) | 16.1 |
| 20 | 11.5516 (20) | 14.3 | 8.1547 (68) | 11.5878 (180) | 1.0048 (18) | 13.6 |
| 30 | 11.5502 (10) | 13.7 | 8.1556 (28) | 11.5829 (76) | 1.0043 (7) | 13.0 |
| 40 | 11.5502 (7) | 14.4 | 8.1573 (16) | 11.5809 (46) | 1.0039 (4) | 13.4 |
| 50 | 11.5503 (5) | 14.6 | 8.1608 (17) | 11.5700 (50) | 1.0025 (5) | 12.6 |
| 60 | 11.5505 (4) | 14.5 | 8.1619 (13) | 11.5672 (39) | 1.0021 (4) | 12.7 |
| 70 | 11.5502 (3) | 15.1 | 8.1615 (9) | 11.5672 (26) | 1.0022 (3) | 12.6 |
| 80 | 11.5502 (2) | 15.8 | 8.1617 (7) | 11.5663 (20) | 1.0021 (2) | 12.9 |
| 90 | 11.5503 (2) | 16.9 | 8.1615 (5) | 11.5675 (15) | 1.0022 (1) | 13.2 |
| 100 | 11.5503 (2) | 18.0 | 8.1616 (4) | 11.5672 (12) | 1.0022 (1) | 13.6 |