9 May 2003 Higher-order tunneling processes and enhanced shot noise in superconducting tunnel devices
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Proceedings Volume 5112, Noise as a Tool for Studying Materials; (2003) https://doi.org/10.1117/12.496957
Event: SPIE's First International Symposium on Fluctuations and Noise, 2003, Santa Fe, New Mexico, United States
Tunnel barriers play a key role in current applications of superconducting tunnel-devices for THz frequency heterodyne mixing and for magentic tunnel junctions for data-storage applications. Shot noise in the tunnel current limits the sensitivity of tunnel junctions as high frequency detectors. The observed voltage dependence has proven to be a valuable probe to evaluate the quality of the tunnel barrier, in particular for inhomogeneities in thickness or at least for a distribution of transmissivities. It is an open question whether similar measurements can be made informative for magnetic tunnel junctions as well.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Teun M. Klapwijk, Teun M. Klapwijk, } "Higher-order tunneling processes and enhanced shot noise in superconducting tunnel devices", Proc. SPIE 5112, Noise as a Tool for Studying Materials, (9 May 2003); doi: 10.1117/12.496957; https://doi.org/10.1117/12.496957


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