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Akademický článek

Giant apparent lattice distortions in STM images of corrugated sp2-hybridised monolayers

Autor: Q Dubout, F Calleja, G Sclauzero, M Etzkorn, A Lehnert, L Claude, M Papagno, F D Natterer, F Patthey, S Rusponi, Alfredo Pasquarello, H Brune

Publikováno v: New Journal of Physics, Vol 18, Iss 10, p 103027 (2016)

We report on the strengths and limitations of scanning tunnelling microscopy (STM) when used for characterising atomic-scale features of quasi two-dimensional materials, such as graphene and single layers of hexagonal boron nitride, which may present

Externí odkaz: https://doaj.org/article/b325e0b1d8e24edb9c8c27ff513185a2

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Controlling the spin of co atoms on pt(111) by hydrogen adsorption

Autor: Markus Etzkorn, Q. Dubout, Pietro Gambardella, A. Lehnert, Fabio Donati, F. Calleja, Harald Brune, Lévy C. Claude, Christian Wäckerlin

Publikováno v: Repositorio Institucional del Instituto Madrileño de Estudios Avanzados en Nanociencia
instname

We investigate the effect of H adsorption on the magnetic properties of individual Co atoms on Pt(111) with scanning tunneling microscopy. For pristine Co atoms, we detect no inelastic features in the tunnel spectra. Conversely, CoH and CoH2 show a n

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3e47efcd4ab0973cd44b04c993da318
https://pubmed.ncbi.nlm.nih.gov/25815958

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Interlayer exchange coupling in ordered Fe nanocluster arrays grown onAl2O3/Ni3Al(111)

Autor: Frithjof Nolting, Sergio Vlaic, Stefano Rusponi, Luca Gragnaniello, Q. Dubout, Harald Brune, Jan Dreiser, A. Cavallin, Cinthia Piamonteze, Fabio Donati

Publikováno v: Physical Review B. 89

We have combined magneto-optical Kerr effect, scanning tunneling microscopy, and x-ray magnetic circular dichroism to study the magnetic properties and the morphology of Fe nanoparticles grown on 2 ML thick Al2O3/Ni3Al(111)-(root 67 x root 67)R12.2 d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee24a94c1c0a2de91db1d181eadfd87b
https://doi.org/10.1103/physrevb.89.245402

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Two Distinct Phases of Bilayer Graphene Films on Ru(0001)

Autor: Stefano Rusponi, F. Calleja, Q. Dubout, Daniela Pacilé, Stéphane Pons, Carlo Carbone, Jun Fujii, Marco Grioni, Ivana Vobornik, Paolo Moras, Emmanouil Frantzeskakis, A. Lehnert, Dinesh Topwal, Fabian D. Natterer, Marco Papagno, Harald Brune, Polina M. Sheverdyaeva

Publikováno v: ACS Nano
ACS Nano, American Chemical Society, 2012, 6 (10), pp.9299-9304. ⟨10.1021/nn303821w⟩
ACS nano (Online) 6 (2012): 9299. doi:10.1021/nn303821w
info:cnr-pdr/source/autori:M. Papagno, D. Pacilé, D. Topwal, P. Moras, P.M. Sheverdyaeva, F.D. Natterer, A. Lehnert, S. Rusponi, Q. Dubout, F. Calleja, E. Frantzeskakis, S. Pons, J. Fujii, I. Vobornik, M. Grioni, C. Carbone, H. Brune/titolo:Two distinct phases of bilayer graphene films on Ru(0001)/doi:10.1021%2Fnn303821w/rivista:ACS nano (Online)/anno:2012/pagina_da:9299/pagina_a:/intervallo_pagine:9299/volume:6
ACS Nano, 2012, 6 (10), pp.9299-9304. ⟨10.1021/nn303821w⟩

International audience; By combining angle-resolved photoemission spectroscopy and scanning tunneling microscopy we reveal the structural and electronic properties of multilayer graphene on Ru(0001). We prove that large ethylene exposure allows the s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::211859fd36a38e045e17f5af09f71f03
https://hal.archives-ouvertes.fr/hal-02989447

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Magnetic Moment and Anisotropy of Individual Co Atoms on Graphene

Autor: Q. Dubout, François Patthey, Gabriel Autès, Fabio Donati, Pietro Gambardella, F. Calleja, Harald Brune, Oleg V. Yazyev

Publikováno v: Phys. Rev. Lett.
Repositorio Institucional del Instituto Madrileño de Estudios Avanzados en Nanociencia
instname

We report on the magnetic properties of single Co atoms on graphene on Pt(111). By means of scanning tunneling microscopy spin-excitation spectroscopy, we infer a magnetic anisotropy of K = -8.1 meV with out-of-plane hard axis and a magnetic moment o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cec38c09dc5b3db5f0ada934de9f8f93
http://gr-yaz.epfl.ch/files/content/sites/lns2/files/publications/papers/Donati_13_PRL.pdf

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Tailoring the Magnetism of Co Atoms on Graphene through Substrate Hybridization

Autor: Luca Gragnaniello, Cinthia Piamonteze, Stefano Rusponi, Fabian D. Natterer, Jan Dreiser, A. Cavallin, Q. Dubout, François Patthey, Marina Pivetta, Fabio Donati, Harald Brune

Publikováno v: Europe PubMed Central
PHYSICAL REVIEW LETTERS
Phys. Rev. Lett.

We determine the magnetic properties of individual Co atoms adsorbed on graphene (G) with x-ray absorption spectroscopy and magnetic circular dichroism. The magnetic ground state of Co adatoms strongly depends on the choice of the metal substrate on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4da31ece708cd8398750747334160c1
https://infoscience.epfl.ch/record/202689

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