SOLID ELECTROLYTE MEMORY DEVICE AND FABRICATING METHOD THEREOF

摘要

A solid electrolyte memory device and a manufacturing method thereof are provided to perform nonvolatile, a high speed operation, and a high integration by using a silver-antimony-tellurium alloy or a copper-antimony-tellurium alloy as a solid electrolyte. In a solid electrolyte memory device, a first electrode layer(106) is formed on a substrate(100). A solid electrolyte layer(128) made of a silver-antimony-tellurium alloy or a copper-antimony-tellurium alloy is included on the first electrode layer. A second electrode layer(132) is formed on the solid electrolyte layer. The silver-antimony-tellurium alloy is made of silver 40~90 atomic%, antimony 5~30 atomic%, and tellurium 5~30 atomic%. The copper-antimony-tellurium alloy is made of copper 40~90 atomic%, antimony 5~30 atomic%, and tellurium 5~30 atomic%.