Abstract
Diamond-like carbon (DLC), a thermodynamically, metastable, amorphous form of carbon, has been a material of recent interest due to its wide range of applications. Depending on the activation agent and deposition conditions, the quality of DLC film varies and can be used for applications ranging from optics to tools. DLC is hard and chemically inert. In the present study, these properties of DLC have been used for the protection of high temperature superconductor (HTSC) thin films. DLC films were deposited on HTSC thin films using an r-f chemical vapor deposition system with methane gas at 30°C. Films were tested for superconducting transition temperature (Tc) and critical current density (Jc) before and after DLC encapsulation. Such encapsulated HTSC films were later exposed to moisture to test the corrosion resistance of DLC:HTSC structures.
© 1995 Optical Society of America
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