BaCd

BaCd is the chemical formula for a binary intermetallic compound composed of barium (Ba) and cadmium (Cd) in a 1:1 atomic ratio. In materials science, BaCd would be classified as an intermetallic rather than a simple compound formed from ionic or covalent bonds, and its existence depends on specific phase conditions.

Preparation and structure: BaCd can be produced by direct combination of elemental barium and cadmium at elevated temperatures under an inert atmosphere, followed by controlled cooling to promote crystalline order. The exact crystal structure and phase behavior of BaCd are not widely documented in standard references; for many AB-type intermetallics with alkaline-earth elements and cadmium, possible lattice types include ordered cubic variants, but the precise structure must be determined experimentally.

Properties and context: Intermetallics of this kind typically exhibit metallic bonding, with properties such as good electrical conductivity and high melting points. Mechanical behavior is often brittle, and thermal stability is sensitive to the specific phase present. Specific property data for BaCd are scarce in public literature.

Safety and handling: Cadmium compounds are toxic and carcinogenic; exposure to cadmium dust or fumes poses serious health risks. Barium metal is reactive, and certain barium compounds can be toxic. Work with BaCd would require appropriate engineering controls, protective equipment, and proper waste disposal in accordance with hazardous-materials regulations.

See also: Intermetallic compound, Binary alloy, Barium compounds, Cadmium compounds.