Used as a specialized semiconductor material in optoelectronic devices due to its narrow bandgap and unique electronic properties. Employed in infrared detectors and sensors where sensitivity to low-energy radiation is required. Shows potential in thermoelectric applications for converting waste heat into electrical energy at high temperatures. Investigated for use in solid-state lighting and display technologies as a luminescent component when doped with activator ions. Also utilized in research settings for developing new ceramic materials with enhanced thermal and electrical conductivity.