Patent ID: 11913134
Assignee: SOITEC
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C

Claim 0:
1. A process for manufacturing a two-dimensional film of a group-IV material having a hexagonal crystal structure, comprising:
providing a single-crystal metal donor substrate;
forming an embrittlement zone in the donor substrate so as to delimit a single-crystal metal film to be transferred;
assembling the donor substrate with a support substrate;
thinning the donor substrate so as to transfer the single-crystal metal film to the support substrate by detaching the donor substrate along the embrittlement zone so as to form a growth substrate comprising the transferred single-crystal metal film and the support substrate, the transferred single-crystal metal film having a thickness of 1 μm or less; and
epitaxially growing the two-dimensional film on the transferred single-crystal metal film of the growth substrate.