Sökning: onr:"swepub:oai:research.chalmers.se:43215fc1-f5af-4b7d-ad25-c910f299feb2" > Influence of topolo...
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000 | 03297naa a2200421 4500 | |
001 | oai:research.chalmers.se:43215fc1-f5af-4b7d-ad25-c910f299feb2 | |
003 | SwePub | |
008 | 171008s2014 | |||||||||||000 ||eng| | |
024 | 7 | a https://doi.org/10.1103/PhysRevB.89.1345122 DOI |
024 | 7 | a https://research.chalmers.se/publication/1991672 URI |
040 | a (SwePub)cth | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Galletti, L.4 aut |
245 | 1 0 | a Influence of topological edge states on the properties of Al/Bi2Se3/Al hybrid Josephson devices |
264 | 1 | c 2014 |
338 | a electronic2 rdacarrier | |
520 | a In superconductor-topological insulator-superconductor hybrid junctions, the barrier edge states are expected to be protected against backscattering, to generate unconventional proximity effects, and, possibly, to signal the presence of Majorana fermions. The standards of proximity modes for these types of structures have to be settled for a neat identification of possible new entities. Through a systematic and complete set of measurements of the Josephson properties we find evidence of ballistic transport in coplanar Al-Bi2Se3-Al junctions that we attribute to a coherent transport through the topological edge state. The shunting effect of the bulk only influences the normal transport. This behavior, which can be considered to some extent universal, is fairly independent of the specific features of superconducting electrodes. A comparative study of Shubnikov-de Haas oscillations and scanning tunneling spectroscopy gave an experimental signature compatible with a two-dimensional electron transport channel with a Dirac dispersion relation. A reduction of the size of the Bi2Se3 flakes to the nanoscale is an unavoidable step to drive Josephson junctions in the proper regime to detect possible distinctive features of Majorana fermions. | |
650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
700 | 1 | a Charpentier, Sophie,d 1983u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)csophie |
700 | 1 | a Iavarone, M.4 aut |
700 | 1 | a Lucignano, P.4 aut |
700 | 1 | a Massarotti, D.4 aut |
700 | 1 | a Arpaia, Riccardo,d 1985u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)arpaia |
700 | 1 | a Suzuki, Y.4 aut |
700 | 1 | a Kadowaki, Kazuo4 aut |
700 | 1 | a Bauch, Thilo,d 1972u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)bauch |
700 | 1 | a Tagliacozzo, A.4 aut |
700 | 1 | a Tafuri, F.4 aut |
700 | 1 | a Lombardi, Floriana,d 1967u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)lombardi |
710 | 2 | a Chalmers tekniska högskola4 org |
773 | 0 | t Physical Review B - Condensed Matter and Materials Physicsg 89:13q 89:13x 2469-9950x 2469-9969 |
856 | 4 | u http://publications.lib.chalmers.se/records/fulltext/199167/local_199167.pdfx primaryx freey FULLTEXT |
856 | 4 8 | u https://doi.org/10.1103/PhysRevB.89.134512 |
856 | 4 8 | u https://research.chalmers.se/publication/199167 |
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