Abstract
We studied the characteristics of junction leakage currents of diodes having buried damage layers formed by high-energy B implantation. The efficiency of the buried layers was evaluated with respect to both microdefect dissolution and gettering of metal impurities. For this purpose, some diodes were contaminated with a uniform concentration of Pt . Results show that high-dose B implants are required for efficient removal of defects and the gettering of metal impurities, while the annealing sequence is fundamental for correct damage engineering.
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