Patent ID: 8603896

Claim:
A method for transferring a monocrystalline semiconductor layer onto a support substrate, which comprises: implanting species through a surface of a donor substrate that includes monocrystalline semiconductor material to form therein an embrittlement zone delimiting a layer to be transferred, with the layer to be transferred comprising first and second portions, the first portion including a surface portion and the second portion including a buried portion; bonding the donor substrate to a support substrate; fracturing the donor substrate at the embrittlement zone to transfer the layer onto the support substrate; removing a surface portion of the transferred layer, wherein the first portion has a thickness that is greater than that of the transferred layer after the removal of the surface portion so that part of the first portion remains on the support substrate; treating the layer to obtain amorphisation of the first portion without disorganizing the crystal lattice of the second portion, and recrystallizing the amorphized first portion of the transferred layer at a temperature that is below 500° C. to provide a crystal lattice therein, wherein the recrystallizing is carried out after the implanting of species through the surface of the donor substrate.