Observation of shell effects in superconducting nanoparticles of Sn

Autor: Bose, Sangita, García-García, Antonio M., Ugeda, Miguel M., Urbina, Juan D., Michaelis, Christian H., Brihuega, Ivan, Kern, Klaus

Publikováno v: Nature Materials 9, 550-554 (2010)

In a zero-dimensional superconductor, quantum size effects(QSE) not only set the limit to superconductivity, but are also at the heart of new phenomena such as shell effects, which have been predicted to result in large enhancements of the supercondu

Externí odkaz: http://arxiv.org/abs/1012.1446

Experimental observation of thermal fluctuations in single superconducting Pb nanoparticles through tunneling measurements

Autor: Brihuega, Ivan, Garcia-Garcia, Antonio M., Ribeiro, Pedro, Ugeda, Miguel M., Michaelis, Christian H., Bose, Sangita, Kern, Klaus

An important question in the physics of superconducting nanostructures is the role of thermal fluctuations on superconductivity in the zero-dimensional limit. Here, we probe the evolution of superconductivity as a function of temperature and particle

Externí odkaz: http://arxiv.org/abs/0904.0354

Image potential states as a quantum probe of graphene interfaces

Autor: Bose, Sangita, Silkin, Vyacheslav M., Ohmann, Robin, Brihuega, Ivan, Vitali, Lucia, Michaelis, Christian H., Mallet, Pierre, Veuillen, Jean Yves, Schneider, M. Alexander, Chulkov, Evgueni V., Echenique, Pedro M., Kern, Klaus

Publikováno v: New Journal of Physics
New Journal of Physics, Institute of Physics: Open Access Journals, 2010, 12, pp.023028. ⟨10.1088/1367-2630/12/2/023028⟩

Image potential states (IPSs) are electronic states localized in front of a surface in a potential well, formed by the surface projected bulk band gap on one side and the image potential barrier on the other. In the limit of a two-dimensional solid,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::68ea024413f53d102b232605ad628896
https://hal.archives-ouvertes.fr/hal-00998440

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