Tl2 Cu2 O4

Tl₂Cu₂O₄ is a mixed-valence copper-thallium oxide semiconductor belonging to the layered perovskite family of compounds. This material is primarily of research interest for advanced electronic and photonic applications, particularly in the context of high-temperature superconductor precursors and novel oxide semiconductor systems. While not widely commercialized, compounds in this material family are explored for their potential in next-generation electronic devices, particularly where unique charge-transfer properties and layered crystal structures offer advantages over conventional semiconductors.