Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Ivanovskaya, A. V."'
Autor:
Ivanovskaya, Viktoria V., Zobelli, Alberto, Basagni, Andrea, Casalini, Stefano, Colazzo, Luciano, de Boni, Francesco, de Oteyza, Dimas G., Sambi, Mauro, Sedona, Francesco
The growth of controlled 1D carbon-based nanostructures on metal surfaces is a multistep process whose path, activation energies and intermediate metastable states strongly depend on the employed substrate. Whereas this process has been extensively s
Externí odkaz:
http://arxiv.org/abs/2212.09872
Akademický článek
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Autor:
Ivanovskaya, Viktoria V., Zobelli, Alberto, Gloter, Alexandre, Bibes, Manuel, Barthélémy, Agnès
It has been recently demonstrated that the magnetic state of FeRh can be controlled by electric fields in FeRh/BaTiO$_{\text{3}}$ heterostructures [R.O. Cherifi et al. Nature Mater. 13, 345 (2014)]. Voltage-controlled changes in the ferroelastic doma
Externí odkaz:
http://arxiv.org/abs/1412.5461
Autor:
Wagner, Philipp, Ivanovskaya, Viktoria V., Melle-Franco, Manuel, Humbert, Bernard, Adjizian, Jean-Joseph, Briddon, Patrick R., Ewels, Christopher P.
Publikováno v:
Phys. Rev. B 88, 094106 (2013)
Hydrogenated graphene edges are assumed to be either armchair, zigzag or a combination of the two. We show that the zigzag is not the most stable fully hydrogenated structure along the <2-1-10> direction. Instead hydrogenated Klein and reconstructed
Externí odkaz:
http://arxiv.org/abs/1306.3384
Autor:
Wagner, Philipp, Ivanovskaya, Viktoria V., Rayson, Mark J., Briddon, Patrick R., Ewels, Christopher P.
Publikováno v:
J. Phys.: Condens. Matter 25, 155302, 2013
Cross-sectional area and volume become difficult to define as material dimensions approach the atomic scale. This limits the transferability of macroscopic concepts such as Young's modulus. We propose a new volume definition where the enclosed nanosh
Externí odkaz:
http://arxiv.org/abs/1303.4619
Autor:
Ivanovskaya, Viktoria V., Wagner, Philipp, Zobelli, Alberto, Suarez-Martinez, Irene, Yaya, Abu, Ewels, Christopher P.
Publikováno v:
Carbon Nanostructures, 2012, GraphITA 2011, p. 75-85
Conventional three-dimensional crystal lattices are terminated by surfaces, which can demonstrate complex rebonding and rehybridisation, localised strain and dislocation formation. Two dimensional crystal lattices, of which graphene is the archetype,
Externí odkaz:
http://arxiv.org/abs/1207.4935
Autor:
Zobelli, Alberto, Ivanovskaya, Viktoria V., Wagner, Philipp, Suarez-Martinez, Irene, Yaya, Abu, Ewels, Chris P.
Publikováno v:
Phys. Status Solidi B 249, 276 (2012)
The density functional tight binding approach (DFTB) is well adapted for the study of point and line defects in graphene based systems. After briefly reviewing the use of DFTB in this area, we present a comparative study of defect structures, energie
Externí odkaz:
http://arxiv.org/abs/1207.3194
Autor:
Wagner, Philipp, Ewels, Christopher P., Ivanovskaya, Viktoria V., Briddon, Patrick R., Pateau, Amand, Humbert, Bernard
Publikováno v:
Phys. Rev. B 84, 134110 (2011)
It is now possible to produce graphene nanoribbons (GNRs) with atomically defined widths. GNRs offer many opportunities for electronic devices and composites, if it is possible to establish the link between edge structure and functionalisation, and r
Externí odkaz:
http://arxiv.org/abs/1107.1977
Autor:
Ivanovskaya, Viktoria V., Zobelli, Alberto, Wagner, Philipp, Heggie, Malcolm I., Briddon, Patrick R., Rayson, Mark J., Ewels, Chris P.
Publikováno v:
Phys. Rev. Lett. 107, 065502 (2011)
We demonstrate that free graphene sheet edges can curl back on themselves,reconstructing as nanotubes. This results in lower formation energies than any other non-functionalised edge structure reported to date in the literature. We determine the crit
Externí odkaz:
http://arxiv.org/abs/1107.0751
Autor:
Ivanovskaya, Viktoriya V., Zobelli, Alberto, Stephan, Odile, Briddon, Patrick R., Colliex, Christian
Publikováno v:
J. Phys. Chem. C 113, 16603 (2009)
We present a density functional theory study on the shape and arrangement of small BN domains embedded into single-walled carbon nanotubes. We show a strong tendency for the BN hexagons formation at the simultaneous inclusion of B and N atoms within
Externí odkaz:
http://arxiv.org/abs/0907.1574