Journal of Nanomaterials / 2019 / Article / Tab 1

Review Article

Metaloxide Nanomaterials and Nanocomposites of Ecological Purpose

Table 1

Parameters of TiO2, ZnO, SnO2, ZrO2, and Fe3O4 crystalline lattices and some of their characteristics [11, 1416, 19, 23].

PhaseSpace groupLattice parameters (nm)Volumetric density (g/cm3)Band gap (eV)

TiO2 tetragonal (rutile)P4/mnm, 4.33.0
TiO2 tetragonal (anatase)I4/amd, 3.93.2
TiO2 rhombic (brookite)Pbca, , 4.13.3
ZnO hexagonalР63mc, 5.63.4
SnO2 tetragonal (cassiterite)P42/nmm, 7.03.6
ZrO2 monoclinic (baddeleyite)P21/c, , 5.65.8
ZrO2 tetragonalP42/nmc, , (at 1523 K)6.15.8
ZrO2 cubicFm/3m (at 2603 K)6.36.1
Fe3O4 cubic (magnetite)Fd/3m5.2~2

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