Ceramic Superconductor Applications

The temperature at which resistance ceases is referred to as the transition temperature or critical temperature tc.

Ceramic superconductor applications.

This chapter discusses the theory crystalline structure properties and applications of ceramic superconductors. Superconductivity is the complete disappearance of electric resistance in materials that are cooled to extremely low temperatures. Superconductivity is a set of physical properties observed in certain materials where electrical resistance vanishes and magnetic flux fields are expelled from the material. Chemical formula is yba2cu3o7.

This chapter discusses the theory crystalline structure properties and applications of ceramic superconductors the importance of the work of bednorz and müller was that their discovery of superconductivity in ceramics with a perovskite like structure that led directly to superconductivity above. The superconductor we will be experimenting with is an yttrium y barium ba and copper cu composition. Conductive ceramics conductive ceramics superconductors. Humphreys in concise encyclopedia of advanced ceramic materials 1991.

This superconductor has a critical transition temperature around 90k well above liquid nitrogen s 77k. The ceramic materials used to make superconductors are a class of materials called perovskites. The importance of the work of bednorz and müller was that their discovery of superconductivity in ceramics with a perovskite like structure that led directly to superconductivity above liquid nitrogen temperatures. The first high temperature superconductor was discovered in 1986 by ibm researchers bednorz and müller 3 6 who were awarded the nobel prize in physics in 1987 for their important break through in the discovery of superconductivity in ceramic materials.