Sb2Te3
Sb2Te3, also known as antimony telluride, is a binary chemical compound formed from the elements antimony and tellurium. It is a semimetallic crystalline solid with a layered rhombohedral structure. This material exhibits interesting thermoelectric properties, meaning it can convert heat energy into electrical energy and vice versa. This characteristic makes Sb2Te3 a candidate for applications in thermoelectric generators and coolers. It is often alloyed with other elements to optimize its thermoelectric performance. Sb2Te3 is also studied for its potential use in phase-change memory devices due to its ability to switch between amorphous and crystalline states. It is generally synthesized through various methods including melt-growth, vapor deposition, and mechanochemical synthesis. Its electrical conductivity and thermal conductivity are key factors in its technological relevance.