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Title: Method of transferring strained semiconductor structure

Patent ·
OSTI ID:1013558

The transfer of strained semiconductor layers from one substrate to another substrate involves depositing a multilayer structure on a substrate having surface contaminants. An interface that includes the contaminants is formed in between the deposited layer and the substrate. Hydrogen atoms are introduced into the structure and allowed to diffuse to the interface. Afterward, the deposited multilayer structure is bonded to a second substrate and is separated away at the interface, which results in transferring a multilayer structure from one substrate to the other substrate. The multilayer structure includes at least one strained semiconductor layer and at least one strain-induced seed layer. The strain-induced seed layer can be optionally etched away after the layer transfer.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC51-06NA25396
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM
Patent Number(s):
7,638,410
Application Number:
US Patent Application 11/641,471
OSTI ID:
1013558
Country of Publication:
United States
Language:
English

References (2)

Epitaxial layer transfer by bond and etch back of porous Si journal April 1994
Low Temperature Surface Cleaning of Silicon and Its Application to Silicon MBE journal January 1986

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