Results 181 to 190 of about 474,991 (233)
Recovering full crystallographic orientation in specimen coordinates from polarised μ-FTIR spectra
Lopez-Sanchez MA, Padrón-Navarta JA.
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Misfit Dislocations in Lattice-Mismatched Epitaxial Films
Critical Reviews in Solid State and Materials Sciences, 1992Abstract This article reviews current experimental and theoretical knowledge of the relaxation of lattice-mismatch strain via misfit dislocations in heteroepitaxial semiconductor films. The energetics and kinetics of misfit dislocation nucleation, propagation, and interaction processes are described in detail.
John Bean, Robert Hull
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Lattice misfit and relative tilt of lattice planes in semiconductor heterostructures
Semiconductor Science and Technology, 1991 High resolution X-ray diffraction has been used to investigate the relative tilt between epilayer and substrate lattice planes of different semiconductor heterostructures. All epilayers were grown on (001) GaAs substrates misoriented by 2 degrees towards the next (011) direction.
Pesek, A. +3 more
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Microstructural Stability and Lattice Misfit Characterisations of Nimonic 263 [PDF]
Volume 6: Materials and Fabrication, Parts A and B, 2012 Nimonic 263 has been selected as a candidate header/piping material of advanced ultra-supercritical (A-USC) boilers for the next generation of fossil fuel power plant. Experimental assessments on the microstructural stability of this material are presented in this paper.
Quanshun Luo +3 more
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Doping induced lattice misfit in 4H–SiC homoepitaxy
Journal of Crystal Growth, 2012 Abstract The impact of doping on the lattice constants of 4H–silicon carbide (4H–SiC) is an important material aspect influencing several steps of material and device production. Dopant incorporation in 4H–SiC causes misfit between the highly N-doped substrate and differently doped epilayers and hence, wafer bowing and the existence of a critical ...
Birgit Kallinger +8 more
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Lattice misfit during ageing of a polycrystalline nickel-base superalloy
Acta Materialia, 2013 Abstract The temporal evolution of the lattice parameters and lattice misfit of an advanced polycrystalline nickel-base superalloy have been studied in situ during an ageing heat treatment using synchrotron X-ray diffraction. During ageing, the γ and γ ′ lattice parameters were both observed to decrease, a trend that cannot be attributed to a loss
D.M. Collins +6 more
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Anomalous Effect of Lattice Misfit on the Coarsening Behavior of Multicomponent L12 Phase
Scripta Materialia, 2020Abstract The multicomponent L12 phase in high entropy alloys (HEAs) has shown excellent thermal stability. However, the understanding of its intrinsic origins is limited to the Lifshitz-Slyozov-Wagner (LSW) theory. In the present study, we investigate the influence of lattice misfit, which is not considered in LSW theory, on the coarsening kinetics ...
Feng He, Ji-Jung Kai, Yang Tong
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Collective Modes Of Misfit Dislocations in Lattice - Mismatched Thin Films
MRS Proceedings, 1997 ABSTRACTWe study the nature and spectrum of fundamental vibrational excitations in the assembly of misfit accomodating dislocations. The physical system considered is a Lomer array of equispaced dislocations in a lattice-mismatched interface between a substrate and a thin film with similar elastic properties.
L. B. Hovakimian, Shun-Ichiro Tanaka
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Colloidal Synthesis of Nanohelices via Bilayer Lattice Misfit
Journal of the American Chemical Society, 2020Helical structures are ubiquitous in natural and synthetic materials across multiple length scales. Excellent and sometimes unusual chiral optical, mechanical, and sensing properties have been previously demonstrated in such symmetry-breaking shape, yet a general principle to realize helical structures at the sub-100 nm scale via colloidal synthesis ...
Yang Liu +5 more
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Insignificance of Lattice Misfit for Epitaxy
Journal of Vacuum Science and Technology, 1970Au, Ag and Al films evaporation in ultrahigh vacuum on LiF and MgO surfaces, showing insignificant role of lattice misfit for ...
A. K. Green, J. Dancy, E. Bauer
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