Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by form]
6. [materials by chemical form]
7. compounds (materials)
8. oxides

Anotations

Scope note:

A semiconducting material that can be used as an additive for thermo conductive, superconductive, glass, ceramics and sensing materials. Copper oxides exist in two different forms: cupric oxide (CuO) and cuprous oxide (Cu2O), depending on the valence state of copper.