TY  - CONF
AU  - Schäpers, Thomas
AU  - Weyrich, Christian
AU  - Rosenbach, Daniel
AU  - Kölzer, Jonas
AU  - Schüffelgen, Peter
AU  - Mussler, Gregor
AU  - Jalil, Abdur Rehman
AU  - Lüth, Hans
AU  - Grützmacher, Detlev
AU  - Schmitt, Tobias
AU  - Schleenvoigt, Michael
A3  - Jaffrès, Henri
A3  - Drouhin, Henri-Jean
A3  - Wegrowe, Jean-Eric
A3  - Razeghi, Manijeh
TI  - Phase-coherent transport in topological insulator nanocolumns and nanoribbons
PB  - SPIE
M1  - FZJ-2018-05521
SP  - 107320V-1
PY  - 2018
AB  - The transport properties of topological insulator nanostructures prepared by selective-area molecular beam epitaxy is investigated. For the nanocolumn structures based on Sb2Te3/Bi2Te3-heterostructures pronounced universal conductance fluctuations are observed in the magnetoconductance, indicating phase-coherent transport. Furthermore, angle-dependent measurements indicate that the phase coherent loops are mainly oriented parallel to the substrate plane. Measurements on nanoribbons based on (Bi0.57Sb0.43)2Te3 revealed a resistance dip due to weak antilocalization as well as universal conductance fluctuations. Here, we also found indications, that the phase-coherent loops are predominantly oriented parallel to the quintuple layers forming the topological insulator.
T2  - Spintronics XI
CY  - 19 Aug 2018 - 23 Aug 2018, San Diego (United States)
Y2  - 19 Aug 2018 - 23 Aug 2018
M2  - San Diego, United States
LB  - PUB:(DE-HGF)8 ; PUB:(DE-HGF)7
UR  - <Go to ISI:>//WOS:000452820000009
DO  - DOI:10.1117/12.2322720
UR  - https://juser.fz-juelich.de/record/852623
ER  -