Zobrazeno 1 - 10
of 573
pro vyhledávání: '"Macucci, M"'
The reduction of the thermal conductivity in nanostructures opens up the possibility of exploiting for thermoelectric purposes also materials such as silicon, which are cheap, available and sustainable but with a high thermal conductivity in their bu
Externí odkaz:
http://arxiv.org/abs/1708.03142
Autor:
Casiraghi, C., Macucci, M., Parvez, K., Worsley, R., Shin, Y., Bronte, F., Borri, C., Paggi, M., Fiori, G.
Publikováno v:
Carbon, 2017
We present an investigation of inkjet printed strain gauges based on two-dimensional (2D) materials. The technology leverages water-based and biocompatible inks to fabricate strain measurement devices on flexible substrates such as paper. We demonstr
Externí odkaz:
http://arxiv.org/abs/1708.09829
Autor:
McManus, D., Vranic, S., Withers, F., Sanchez-Romaguera, V., Macucci, M., Yang, H., Sorrentino, R., Parvez, K., Son, S., Iannaccone, G., Kostarelos, K., Fiori, G., Casiraghi, C.
Publikováno v:
Nature Nanotechnology 12, 343 (2017)
Fully exploiting the properties of 2D crystals requires a mass production method able to produce heterostructures of arbitrary complexity on any substrate, including plastic. Solution processing of graphene allows simple and low-cost techniques such
Externí odkaz:
http://arxiv.org/abs/1705.00936
Akademický článek
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Autor:
Herbschleb, E. D., Puddy, R. K., Marconcini, P., Griffiths, J. P., Jones, G. A. C., Macucci, M., Smith, C. G., Connolly, M. R.
Publikováno v:
Phys. Rev. B 92, 125414 (2015)
We fabricate a graphene p-n-p heterojunction and exploit the coherence of weakly-confined Dirac quasiparticles to resolve the underlying scattering potential using low temperature scanning gate microscopy. The tip-induced perturbation to the heteroju
Externí odkaz:
http://arxiv.org/abs/1408.1925
Autor:
Connolly, M. R., Puddy, R. K., Logoteta, D., Marconcini, P., Roy, M., Griffths, J., Jones, G. A. C., Maksym, P., Macucci, M., Smith, C. G.
Publikováno v:
Nano Letters 12 (11) 5448 (2012)
We use low-temperature scanning gate microscopy (SGM) to investigate the breakdown of the quantum Hall regime in an exfoliated bilayer graphene flake. SGM images captured during breakdown exhibit intricate patterns of "hotspots" where the conductance
Externí odkaz:
http://arxiv.org/abs/1201.4029
Publikováno v:
R. S. Whitney, P. Marconcini, M. Macucci, "Huge conductance peak caused by symmetry in double quantum dots", Phys. Rev. Lett. 102, 186802 (2009)
We predict a huge interference effect contributing to the conductance through large ultra-clean quantum dots of chaotic shape. When a double-dot structure is made such that the dots are the mirror-image of each other, constructive interference can ma
Externí odkaz:
http://arxiv.org/abs/0902.3099
Publikováno v:
Phys. Rev. B 79, 241307(R) (2009)
We report the results of an analysis, based on a straightforward quantum-mechanical model, of shot noise suppression in a structure containing cascaded tunneling barriers. Our results exhibit a behavior that is in sharp contrast with existing semicla
Externí odkaz:
http://arxiv.org/abs/0802.4329
Autor:
Casiraghi, C., Macucci, M., Parvez, K., Worsley, R., Shin, Y., Bronte, F., Borri, C., Paggi, M., Fiori, G.
Publikováno v:
In Carbon April 2018 129:462-467
Publikováno v:
Europhysics Letters, vol. 73 (4), 574 (2006)
We present a numerical investigation of shot noise suppression in mesoscopic cavities and an intuitive semiclassical explanation of the behavior observed in the presence of an orthogonal magnetic field. In particular, we conclude that the decrease of
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411691