Hydrogenated Amorphous Silicon

Ever since the work of W.E. Spear and P.G. LeComber had proved that an amorphous semiconductor could indeed also be substitutionally doped, research in the respective field has seen an nearly unprecedented development. The role of hydrogen in atomic and electronic structure as well as in the doping mechanism remains an outstanding problem addressed both to theoreticians and experimentalists, and a highly interesting challenge both to the scientist as well as the engineer.