Tungsten disulfide (WS₂) is a chemical compound made up of tungsten and sulfur. It is known for its unique properties, including high lubricity, which makes it an excellent dry lubricant. This compound is often used in various applications, such as in the aerospace and automotive industries, to reduce friction and wear in machinery. In addition to its lubricating properties, tungsten disulfide has semiconductor characteristics, making it useful in electronics. It can be found in thin-film applications and is being researched for potential use in nanoelectronics and energy storage devices. Its stability and resistance to high temperatures further enhance its versatility.