Cesium

About Cesium (Cs)

Symbol: Cs
Atomic number: 55
Atomic weight: 132.90545196
Element category: alkali metal
Cesium, or Caesium, is a soft, ductile, silvery gold alkali metal. It is liquid at room temperature, similar to gallium and mercury. Cesium is also the most electropositive and alkaline element.
Cesium has various uses in the production of electricity, electronics, and chemistry. Some applications of cesium and cesium compounds include petroleum exploration, atomic clocks, electric power, catalyst promoters, etc.
Cesium is highly reactive, leading to the formation of various compounds. Cesium Nitrate is utilised in the manufacture of optical glasses. Cesium Chloride is used in photoelectric cells, optical instruments, and electron tubes.

Stanford Advanced Materials (SAM) can now provide various cesium products, including:

Cesium Compound:

Cesium Carbonate (Cs2CO3), Cesium Chloride (CsCl), Cesium Nitrate (CsNO3), Cesium Hydroxide Monohydrate (CsOH•H2O)

Cesium Evaporation Material:

Cesium Fluoride (CsF)

For cesium sputter targets, find here.

Cesium Key Features:

Exceptional Atomic Clocks: Cesium's unique property of vibrating at a specific frequency makes it the foundation of atomic clocks, the most accurate timekeeping device on Earth. These clocks provide precise and reliable timing for various technological applications.

Low Work Function: Cesium's low work function – the energy required to liberate an electron from its surface – is essential in photodetectors, photoemission experiments, and vacuum tubes.

Reactivity: As a highly reactive metal, cesium is utilised in numerous chemical reactions, from catalysts in organic synthesis to the creation of specialised compounds in research and manufacturing.

Optical Spectroscopy: Cesium's unique spectral lines find use in optical spectroscopy, enabling precise measurements and calibration in research laboratories and industrial settings.

Ion Propulsion: Cesium's positively charged ions are employed in ion propulsion systems for space exploration, offering high thrust with improved fuel efficiency compared to traditional chemical propulsion.

Cesium Applications:

Timekeeping and Navigation: Cesium atomic clocks serve as the basis for Global Positioning System (GPS) satellites and other navigation systems, allowing precise timing and location determination.

Scientific Research: Cesium plays a crucial role in various research fields, from fundamental physics studies to chemical reactions and spectroscopy experiments.

Electronics: Cesium's photoelectric properties are used in photodetectors and as a component in the production of vacuum tubes.

Semiconductor Manufacturing: Cesium compounds contribute to semiconductor production, facilitating the creation of integrated circuits and electronic devices.

Space Exploration: Cesium-ion propulsion systems are employed in space missions, providing efficient propulsion for spacecraft travelling significant distances.

Cesium Quality Assurance:

Our cesium products are sourced from reputable suppliers and undergo strict quality checks to ensure they meet the highest industry standards. We are committed to delivering cesium that reflects its exceptional performance and reliability.