Hg1 Os1 O3

HgOsO₃ is a mixed-metal oxide semiconductor containing mercury and osmium, representing an experimental compound in the family of complex metal oxides with potential for electronic and photonic applications. This material remains primarily in research phase; its development is driven by interest in novel oxide semiconductors with unusual electronic structures, particularly for next-generation optoelectronic devices or catalytic applications where the combination of heavy metals might enable unique band gap engineering or charge-transfer properties.