Reducing 1/f noise in Al-AlOx-Al tunnel junctions by thermal annealing
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Stability, sub-gap current, 1/f-noise, and elemental depth profiling of annealed Al:Mn-AlOX-Al normal metal-insulator-superconducting tunnel junctions
Julin, Juhani; Chaudhuri, Saumyadip; Laitinen, Mikko; Sajavaara, Timo; Maasilta, Ilari (American Institute of Physics, 2016)In this paper we report a study of the effect of vacuum annealing at 400◦C on the properties of normal metal-insulator-superconductor (NIS) tunnel junctions, with manganese doped aluminium (Al:Mn) as the normal metal, ... -
Applications of tunnel junctions in low-dimensional nanostructures
Koppinen, Panu (University of Jyväskylä, 2009)This thesis concentrates on studies of AlOx based tunnel junctions and their feasibility for cooling, thermometry and strain sensing in suspended nanostructures. The main result of the thesis is cooling of one dimensional ... -
Impact of non-idealities on the conductance characteristics of superconductor-insulator-normal metal-insulator-superconductor tunnel junctions
Chaudhuri, Saumyadip; Maasilta, Ilari (Institute of Physics, 2012)We have investigated the effect of asymmetry in tunnelling resistance of individual normal metal-insulator-superconductor (NIS) tunnel junctions that constitute a SINIS pair, both experimentally and theoretically. Ours ... -
Fabrication, electrical characterization and 1/f noise study of submicron-sized superconducting tunnel junctions
Julin, Juhani (University of Jyväskylä, 2016)
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