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WFRF:(Kadowaki Kazuo)
 

Sökning: WFRF:(Kadowaki Kazuo) > Influence of topolo...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003297naa a2200421 4500
001oai:research.chalmers.se:43215fc1-f5af-4b7d-ad25-c910f299feb2
003SwePub
008171008s2014 | |||||||||||000 ||eng|
0247 a https://doi.org/10.1103/PhysRevB.89.1345122 DOI
0247 a https://research.chalmers.se/publication/1991672 URI
040 a (SwePub)cth
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Galletti, L.4 aut
2451 0a Influence of topological edge states on the properties of Al/Bi2Se3/Al hybrid Josephson devices
264 1c 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 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
7001 a Charpentier, Sophie,d 1983u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)csophie
7001 a Iavarone, M.4 aut
7001 a Lucignano, P.4 aut
7001 a Massarotti, D.4 aut
7001 a Arpaia, Riccardo,d 1985u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)arpaia
7001 a Suzuki, Y.4 aut
7001 a Kadowaki, Kazuo4 aut
7001 a Bauch, Thilo,d 1972u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)bauch
7001 a Tagliacozzo, A.4 aut
7001 a Tafuri, F.4 aut
7001 a Lombardi, Floriana,d 1967u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)lombardi
7102 a Chalmers tekniska högskola4 org
7730 t Physical Review B - Condensed Matter and Materials Physicsg 89:13q 89:13x 2469-9950x 2469-9969
8564 u http://publications.lib.chalmers.se/records/fulltext/199167/local_199167.pdfx primaryx freey FULLTEXT
8564 8u https://doi.org/10.1103/PhysRevB.89.134512
8564 8u https://research.chalmers.se/publication/199167

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