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Methods of forming relaxed layers of semiconductor materials, semiconductor structures, devices and engineered substrates including same
Methods of forming relaxed layers of semiconductor materials, semiconductor structures, devices and engineered substrates including same
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机译:形成半导体材料的松弛层的方法,半导体结构,器件以及包括其的工程衬底
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摘要
Methods of fabricating relaxed layers of semiconductor materials include forming structures of a semiconductor material overlying a layer of a compliant material, and subsequently altering a viscosity of the compliant material to reduce strain within the semiconductor material. The compliant material may be reflowed during deposition of a second layer of semiconductor material. The compliant material may be selected so that, as the second layer of semiconductor material is deposited, a viscosity of the compliant material is altered imparting relaxation of the structures. In some embodiments, the layer of semiconductor material may comprise a III-V type semiconductor material, such as, for example, indium gallium nitride. Methods of fabricating semiconductor structures and devices are also disclosed. Novel intermediate structures are formed during such methods. Engineered substrates include a plurality of structures comprising a semiconductor material disposed on a layer of material exhibiting a changeable viscosity.
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