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Role of thermodynam...
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Leshchenko, Egor D.Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
(author)
Role of thermodynamics and kinetics in the composition of ternary III-V nanowires
- Article/chapterEnglish2020
Publisher, publication year, extent ...
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2020-12-18
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MDPI AG,2020
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15 s.
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LIBRIS-ID:oai:lup.lub.lu.se:2cdca437-50f8-40cc-97bc-ac0864abe9ce
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https://lup.lub.lu.se/record/2cdca437-50f8-40cc-97bc-ac0864abe9ceURI
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https://doi.org/10.3390/nano10122553DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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We explain the composition of ternary nanowires nucleating from a quaternary liquid melt. The model we derive describes the evolution of the solid composition from the nucleated-limited composition to the kinetic one. The effect of the growth temperature, group V concentration and Au/III concentration ratio on the solid-liquid dependence is studied. It has been shown that the solid composition increases with increasing temperature and Au concentration in the droplet at the fixed In/Ga concentration ratio. The model does not depend on the site of nucleation and the geometry of monolayer growth and is applicable for nucleation and growth on a facet with finite radius. The case of a steady-state (or final) solid composition is considered and discussed separately. While the nucleation-limited liquid-solid composition dependence contains the miscibility gap at relevant temperatures for growth of InxGa1-xAs NWs, the miscibility gap may be suppressed completely in the steady-state growth regime at high supersaturation. The theoretical results are compared with available experimental data via the combination of the here described solid-liquid and a simple kinetic liquid-vapor model.
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Johansson, JonasLund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-jjo
(author)
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NanoLund: Centre for NanoscienceAnnan verksamhet, LTH
(creator_code:org_t)
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In:Nanomaterials: MDPI AG10:122079-4991
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