Review Article
The Progress of Nanocrystals Doped with Rare Earth Ions
Table 2
Proposed chemical structures of TNTs and their corresponding lattice parameters. Reprinted with permission from [
32].
| Chemical structure | Lattice parameters |
| Anatase TiO2 | Tetragonal; nm, , | N2Ti3O7, Na2Ti3O7, NaxH2−x Ti3O7 | Monoclinic; nm, , , | H2Ti2O4 (OH)2, Na2Ti2O4 (OH)2 | Orthorhombic; nm, , | HxTi2−x/4 □x/4 O4 (H2O) | Orthorhombic; nm, , | H2Ti4O9 (H2O) | Monoclinic; nm, , , |
|
|
□: Vacancy.
|