NOVEL ROOM TEMPERATURE ELECTROCHEMICAL DEPOSITION OF HIGH TEMPERATURE SUPERCONDUCTING FILMS

The present review reports the innovative attempts made in the synthesis of a variety of high Tc superconductor families in the form of thin films by electrochemical techniques. Summarizing the brief background of electrochemical deposition process, the growth mechanism of high Tc superconducting films has been explained. The successful stories of room temperature electrochemical deposition of RE-Ba2Cu3O7-δ, Bi–Sr–Ca–CuO, Tl–Ba–Ca–CuO, Hg–Ba–Ca–CuO and MgB2 superconductors in the form of thin films on silver substrates have been summarized. The room temperature electrochemical synthesis technique has helped to form a low-dimensional structure at the interface of Al/Tl-2223 hetero structure, which leads to a pathway for high Tc and Jc. The photoinduced effects of a variety of heterostructures formed with HTSC systems and CdSe semiconductor are also described.