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Enhanced quality of...
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Dorri, Samira,1988-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, SE-58183 Linköping, Sweden.
(författare)
Enhanced quality of single crystal CrBx/TiBy diboride superlattices by controlling boron stoichiometry during sputter deposition
- Artikel/kapitelEngelska2024
Förlag, utgivningsår, omfång ...
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Elsevier,2024
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-200730
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-200730URI
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https://doi.org/10.1016/j.apsusc.2024.159606DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-526258URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Funding: Swedish National Graduate School in Neutron Scattering (SwedNess), Swedish Foundation for Strategic Research (SSF) GSn15 - 0008, Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials (AFM) at Linköping University (Faculty Grant SFO Mat LiU No. 2009 00971), Center in Nanoscience and technology at LiTH CeNano, Hans Werthén Foundation (IVA), Society of Vacuum Coaters Foundation (SVCF), Swedish Research Council (VR) Grant numbers 2019-00191 (for accelerator-based ion-technological center in tandem accelerator laboratory in Uppsala University), VR and SSF for access to ARTEMI, the Swedish National Infrastructure in Advanced Electron Microscopy (2021-00171 and RIF21-0026), Knut and Alice Wallenberg Foundation for the support of the electron microscopy laboratory at Linköping University (KAW 2015.0043), VR 2021-00159 for the Swedish neutron reflectometer SuperADAM at ILL 10.5291/ILL-DATA.CRG-2964, and Plansee GmbH for providing diboride targets.
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Single-crystal CrB2/TiB2 diboride superlattices with well-defined layers are promising candidates for neutron optics. However, excess B in sputter-deposited TiBy using a single TiB2 target deteriorates the structural quality of CrBx/TiBy (0001) superlattices. We study the influence of co-sputtering of TiB2 + Ti on the stoichiometry and crystalline quality of 300-nm-thick TiBy single layers and CrBx/TiBy (0001) superlattices on Al2O3(0001) substrates grown by DC magnetron sputter epitaxy at growth-temperatures TS ranging from 600 to 900 °C. By controlling the relative applied powers to the TiB2 and Ti magnetrons, y could be reduced from 3.3 to 0.9. TiB2.3 grown at 750 °C exhibited epitaxial domains about 10x larger than non-co-sputtered films. Close-to-stoichiometry CrB1.7/TiB2.3 superlattices with modulation periods Λ = 6 nm grown at 750 °C showed the highest single crystal quality and best layer definition. TiB2.3 layers display rough top interfaces indicating kinetically limited growth while CrB1.7 forms flat and abrupt top interfaces indicating epitaxial growth with high adatom mobility.
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Ghafoor, Naureen,1975-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, SE-58183 Linköping, Sweden.(Swepub:liu)naugh16
(författare)
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Palisaitis, Justinas,1983-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, SE-58183 Linköping, Sweden.(Swepub:liu)juspa01
(författare)
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Stendahl, SjoerdUppsala universitet,Materialfysik(Swepub:uu)sjost772
(författare)
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Devishvili, AntonInstitut Laue-Langevin, Grenoble, France,Inst Laue Langevin ILL, 71 Ave Martyrs CS 20156, Grenoble, France.
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Vorobiev, AlexeiUppsala universitet,Materialfysik,Inst Laue Langevin ILL, 71 Ave Martyrs CS 20156, Grenoble, France.(Swepub:uu)alevo690
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Eriksson, Fredrik,1975-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, SE-58183 Linköping, Sweden.(Swepub:liu)freer90
(författare)
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Persson, Per O.Å.1971-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, SE-58183 Linköping, Sweden.(Swepub:liu)perpe25
(författare)
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Birch, Jens,Professor,1960-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, Thin Film Phys Div, SE-58183 Linköping, Sweden.(Swepub:liu)jenbi91
(författare)
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Linköpings universitetTunnfilmsfysik
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Ingår i:Applied Surface Science: Elsevier0169-43321873-5584
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