Abstract

The main research activities of thin film synthesis by ion beam technique in Shanghai Institute of Metallurgy (SIM) are reviewed. Hard and metal alloy coatings, such as TiN, TiBx, SiNx, DLC (diamond like carbon), Pt, and NI/Cr-Ag, are synthesized by ion beam assisted deposition (IBAD) on different kinds of substrates at room temperature. The mechanical, electrical properties and the microstructure of the films were systematically analyzed and discussed with the formation conditions. The experimental result reveals that one of the outstanding characteristic of the IBAD films is the very strong adhesion strength to the substrates. Buried layer formation by ion implantation is one of another newly developed technique. The formation of buried insulating layer in silicon crystal is carried out by high dose O<SUP>+</SUP> and N<SUP>+</SUP> implantation. Epitaxial growth of high Tc YBCO superconductive thin films on SrTiO<SUB>3</SUB> is studied by DC magnetron sputtering.

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