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- Giovanni Cantele, Young-Su Lee, Domenico Ninno, Nicola Marzari
- Nano letters
- 2009

We characterize the transport properties of functionalized graphene nanoribbons using extensive first-principles calculations based on density functional theory (DFT) that encompass both monovalent and divalent ligands, hydrogenated defects, and vacancies. We find that the edge metallic states are preserved under a variety of chemical environments, while… (More)

- F Buonocore, F Trani, D Ninno, A Di Matteo, G Cantele, G Iadonisi
- Nanotechnology
- 2008

By combining ab initio all-electron localized orbital and pseudopotential plane-wave approaches we report on calculations of the electron affinity (EA) and the ionization potential (IP) of (5, 5) and (7, 0) single-wall carbon nanotubes. The role played by finite-size effects and nanotube termination has been analysed by comparing several hydrogen-passivated… (More)

- Irina Valitova, Michele Amato, +5 authors Fabio Cicoira
- Nanoscale
- 2013

The scope of this Minireview is to provide an overview of the recent progress on carbon nanotube electrodes applied to organic thin film transistors. After an introduction on the general aspects of the charge injection processes at various electrode-semiconductor interfaces, we discuss the great potential of carbon nanotube electrodes for organic thin film… (More)

- N R D'Amico, G Cantele, C A Perroni, D Ninno
- Journal of physics. Condensed matter : an…
- 2015

First principles calculations were performed to study the interface electronic structure and the Schottky barrier heights (SBHs) of ZnO-metal interfaces. Different kinds of metals were considered with different chemistries on the polar (0 0 0 1) and (0 0 0 1¯) ZnO surfaces. The projection of the density of states on the atomic orbitals of the interface… (More)

- Stefano Ossicini, O Bisi, +15 authors G Onida
- Journal of nanoscience and nanotechnology
- 2008

Total energy calculations within the Density Functional Theory have been carried out in order to investigate the structural, electronic, and optical properties of un-doped and doped silicon nanostructures of different size and different surface terminations. In particular the effects induced by the creation of an electron-hole pair on the properties of… (More)

- Rita Magri, Elena Degoli, +6 authors Domenico Ninno
- J. Comput. Meth. in Science and Engineering
- 2007

- Ivo Borriello, Giovanni Cantele, Domenico Ninno
- Nanoscale
- 2013

We address the structural and electronic properties of graphene nanoribbons (GNRs) covalently immobilized on a metallic substrate by means of an organic layer. The GNR-organic layer and organic layer-metal interfaces can be thought of as constituents of a nanodevice and have been accurately studied using large-scale density functional theory calculations.… (More)

- K J Hameeuw, G Cantele, D Ninno, F Trani, G Iadonisi
- The Journal of chemical physics
- 2006

We investigate the effects of constraining the motion of atoms in finite slabs used to simulate the rutile TiO2 (110) surface in first-principles calculations. We show that an appropriate choice of fixing atoms in a slab eliminates spurious effects due to the finite size of the slabs, leading to a considerable improvement in the simulation of the (110)… (More)

- Gaetano Festa, Maurizio Cossi, Vincenzo Barone, Giovanni Cantele, Domenico Ninno, Giuseppe Iadonisi
- The Journal of chemical physics
- 2005

The adsorption of 1-amino-3-cyclopentene on the (100) silicon surface has been studied by methods rooted in the density-functional theory using both delocalized (plane waves, PWs) and localized (Gaussian-type orbitals, GTOs) basis functions. The results obtained by modeling the surface by silicon clusters of different sizes are quite similar, thus… (More)

Few layer bismuth nanofilms with (111) orientation have shown striking electronic properties, especially as building blocks of novel two-dimensional heterostructures. In this paper we present state-of-the-art first principles calculations, based on both density functional theory and maximally localized Wannier functions, that encompass electronic and… (More)

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