SPATIAL AND TEMPORAL DYNAMICS OF SUPERCONDUCTING Nb/AlOx/Nb TUNNEL JUNCTION DETECTORS

被引：12

作者：

Hebrank, F. ^{[1
]}

Lemke, S. ^{[1
]}

Breunig, M. ^{[1
]}

Gross, R. ^{[1
]}

Doderer, T. ^{[1
]}

Huebener, R. P. ^{[1
]}

机构：

[1] Univ Tubingen, Inst Phys, Lehrstuhl Expt Phys 2, Morgenstelle 14,D-W-7400, Tubingen, Germany

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1993年 / 3卷 / 01期

关键词：

Niobium - Superconducting devices - Superconducting materials - Tunnel diodes;

D O I：

10.1109/77.233446

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have irradiated Nb/AlOx/Nb tunnel junction detectors locally with electrons having energies in the range between 6 and 35 keV. By the measurement of the temporal and spatial dynamics of the detector response the characteristic time and length scales of the radiation induced nonequilibrium state were obtained. The spatially resolved measurements show the importance of the coupled diffusion of the quasiparticles and phonons in the junction electrodes and the wiring and of the phonon propagation in the substrate material. The observed temporal and spatial detector response gives constraints for the development of superconducting tunnel junction particle detectors with improved efficiency and energy resolution.

引用

页码：2084 / 2087

页数：4

共 17 条

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