RbCuO2N

RbCuO₂N is an oxynitride ceramic compound containing rubidium, copper, oxygen, and nitrogen. This is a research-phase material within the broader family of mixed-anion ceramics, which are of significant interest for their tunable electronic, optical, and catalytic properties that differ substantially from conventional oxides or nitrides alone. Applications remain primarily in academic investigation, with potential relevance to photocatalysis, energy conversion, and electronic device applications where nitrogen incorporation can modify band structure and reactivity compared to standard copper oxide ceramics.