Titanium-hydrogen defects in silicon

Abstract
Several titanium-hydrogen (TiH) complexes are generated in crystalline Si by wet chemical etching or a remote hydrogen plasma treatment. We identify two electrically active (EC0.31 eV, EC0.57 eV) and one electrically inactive TiH complex. The passive TiH complex dissociates at temperatures above 570 K, leading to an increase in the interstitial Ti concentration.