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Natural patterning ...
Natural patterning of templates on GaAs by formation of cracks
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- Song, Yuxin, 1981 (författare)
- Chinese Academy of Sciences
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- Xu, H. (författare)
- Chinese Academy of Sciences
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- Li, Y. (författare)
- Chinese Academy of Sciences
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- Sadeghi, Mahdad, 1964 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wang, Shu Min, 1963 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- AIP Publishing, 2015
- 2015
- Engelska.
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Ingår i: AIP Advances. - : AIP Publishing. - 2158-3226 .- 2158-3226. ; 5:6, s. Art Nr 067146-
- Relaterad länk:
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http://publications.... (primary) (free)
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Substrate pre-patterning is an effective way to overcome large lattice mismatch and suppress threading defects in the growth of heterostructures. In this work, a new concept was proposed to form natural patterns on commercial substrates monolithically by the formation of surface cracks. Tensile strain was intentionally brought in with a GaAs or GaNAs layer above an InGaAs layer on GaAs substrates. Surface crack patterns successfully formed during the strain relaxation. The strain in a 1 μm buffer layer atop the pattern was found effectively relaxed. Detailed residual strain distribution was simulated by the finite element method.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
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