Results 21 to 30 of about 94,816 (318)
Phase singularities in isotropic random waves [PDF]
, 2000 The singularities of complex scalar waves are their zeros; these are dislocation lines in space, or points in the plane. For waves in space, and waves in the plane (propagating in two dimensions, or sections of waves propagating in three), we calculate ...
Dennis, MR +5 more
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Crystals, 2017 Continuous diamond films with low dislocation density were obtained by two-step epitaxial lateral overgrowth (ELO). Grooves were fabricated by inductively coupled plasma etching. Mo/Pd stripes sputtered in the grooves were used to inhibit the propagation
Fengnan Li +4 more
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Simulation of screw dislocations in wadsleyite
, 2010 The structure and energies of the cores of [100] and [001] screw dislocations in wadsleyite \left(\beta-Mg{_2}SiO{_4}\right) are calculated using a cluster-based combined elastic-atomistic method and a new parameterized interatomic potential model.
Walker, AM, Walker, A.M.
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Microstructure development and hardening during high pressure torsion of commercially pure aluminium: strain reversal experiments and a dislocation based model [PDF]
, 2011 The effect of strain reversal on hardening due to high pressure torsion (HPT) was investigated using commercially pure aluminium. Hardening is lower for cyclic HPT (c-HPT) as compared to monotonic HPT (m-HPT).
Zhang, Jiuwen +5 more
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60 years of dislocations in ceramics: A conceptual framework for dislocation mechanics in ceramics
International Journal of Ceramic Engineering & Science, 2022 High‐tech ceramics are typically engineered by controlling point defects and interfaces while one‐dimensional dislocations have found much less attention so far.
Lukas Porz
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Coincident electron channeling and cathodoluminescence studies of threading dislocations in GaN
, 2014 We combine two scanning electron microscopy techniques to investigate the influence of dislocations on the light emission from nitride semiconductors.
Edwards, P. R. +11 more
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Strength and plasticity of nanolaminated materials
Materials Research Letters, 2017 The mechanical behavior of nanolaminates is dominated by interfaces that act as sources, barriers, and preferred sites for storage and dynamic recovery of glide dislocations.
Jian Wang +3 more
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Journal of Physics: Condensed Matter, 2019 Abstract A dislocation, just like a phonon, is a type of atomic lattice displacement but subject to an extra topological constraint. However, unlike the phonon which has been quantized for decades, the dislocation has long remained classical.
openaire +4 more sources
Multi-scale modelling of III-nitrides: from dislocations to the electronic structure
, 2009 Gallium nitride and its alloys are direct band gap semiconductors with a wide variety of applications. Of particular importance are light emitting diodes and laser diodes. Due to the lack of suitable lattice-matched substrates, epitaxial layers contain a
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Applied Sciences, 2021 We observe a long-range distortion field between parallel dislocations with opposite Burgers vectors in a platelet-shaped single crystal of 4H-SiC with a low dislocation density (~103 cm/cm3).
Thu Nhi Tran Caliste +4 more
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