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Evolution of CuI/Gr...
Evolution of CuI/Graphene/Ni(111) System during Vacuum Annealing
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Generaloy, Alexander V. (författare)
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- Simonov, Konstantin A. (författare)
- Uppsala University,Lund University,Lunds universitet,Uppsala universitet,Molekyl- och kondenserade materiens fysik,MAX IV-laboratoriet,MAX IV Laboratory,Saint Petersburg State University
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Vinogradov, Nikolay A. (författare)
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Zagrebina, Elena M. (författare)
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- Mårtensson, Nils (författare)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Preobrajenski, Alexei (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Saint Petersburg State University
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Vinogradoy, Alexander S. (författare)
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(creator_code:org_t)
- 2015-05-22
- 2015
- Engelska.
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Ingår i: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 119:22, s. 12434-12444
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- We present a combined core-level spectroscopy and low-energy electron diffraction study of the evolution of thin CuI layers on graphene/Ni(111) during annealing. It has been found that the annealing of the CuI/graphene/Ni(111) system up to 160 degrees C results in the formation of an ordered CuI overlayer with a (root 3 x root 3) R30 degrees structure on top of the graphene surface. At annealing temperatures of about 180 degrees C or higher, the CuI overlayer decomposes with a simultaneous intercalation of Cu and I atoms underneath the graphene monolayer on Ni(111). Nearly complete intercalation of graphene by Cu and I atoms can be achieved by deposition of about 20 angstrom of CuI, followed by annealing at 200 degrees C. The intercalated graphene layer is p-doped due to interfacial iodine atoms.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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