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Surface structure a...
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Gauthier, Y.Institut Néel, UPR 2940 - CNRS, 25 av. des Martyrs, 38042 Grenoble, France
(författare)
Surface structure and composition of the missing-row reconstruction of VC0.8(1 1 0) : A LEED, GIXRD and photoemission study
- Artikel/kapitelEngelska2007
Förlag, utgivningsår, omfång ...
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Elsevier BV,2007
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-48900
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-48900URI
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https://doi.org/10.1016/j.susc.2007.06.012DOI
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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
Anmärkningar
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Low energy electron diffraction, grazing incidence X-ray diffraction and photoemission were used to decipher the detailed structural arrangement and chemical composition of the surface region of a transition metal carbide, VC0.8(1 1 0). In agreement with previous scanning tunneling microscopy (STM) studies, we find that the surface reconstructs with a ridge-and-valley grating structure along the [1 over(1, ¯) 0] direction resulting from {0 0 1} faceting for the (3 × 1) and the (4 × 1) phases. Both superstructures terminate on the vacuum side with a nearly stoïchiometric VC region due to C segregation, in contrast with the conclusions drawn from this previous STM study. However, the present experiments clearly show that these phases are metastable, and slow cooling results in a (1 × 1) surface, which is highly C depleted, similarly to the (1 0 0) face. © 2007 Elsevier B.V. All rights reserved.
Ämnesord och genrebeteckningar
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Carbide
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Low energy electron diffraction
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Photoemission
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Surface relaxation and reconstruction
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Surface segregation
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Surface X-ray diffraction
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Vacancy
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Vanadium
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TECHNOLOGY
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TEKNIKVETENSKAP
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Zasada, I.Solid State Physics Department, University of Lodz, ul. Pomorska 149/153, 90-236 Lodz, Poland
(författare)
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De, Santis M.De Santis, M., Institut Néel, UPR 2940 - CNRS, 25 av. des Martyrs, 38042 Grenoble, France
(författare)
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Langlais, V.Institut Néel, UPR 2940 - CNRS, 25 av. des Martyrs, 38042 Grenoble, France, Universitat Autonoma de Barcelona, Departamento de Fisica, 08193 Bellaterra, Barcelona, Spain
(författare)
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Virojanadara, ChariyaLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)chavi32
(författare)
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Johansson, LeifLinköpings universitet,Halvledarmaterial,Tekniska högskolan(Swepub:liu)leijo19
(författare)
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Institut Néel, UPR 2940 - CNRS, 25 av. des Martyrs, 38042 Grenoble, FranceSolid State Physics Department, University of Lodz, ul. Pomorska 149/153, 90-236 Lodz, Poland
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Surface Science: Elsevier BV601:16, s. 3383-33940039-60281879-2758
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