Improving the performance of hot-electron bolometers and solid state coolers with disordered alloys

被引:22
作者
Taskinen, L. J. [1 ]
Maasilta, I. J. [1 ]
机构
[1] Univ Jyvaskyla, Dept Phys, Nanosci Ctr, FIN-40014 Jyvaskyla, Finland
基金
芬兰科学院;
关键词
D O I
10.1063/1.2357555
中图分类号
O59 [应用物理学];
学科分类号
摘要
Normal metal-insulator-superconductor tunnel junctions were used as thermometers at sub-Kelvin temperatures to study the electron-phonon (e-p) interaction in thin aluminum films doped with manganese, as a function of manganese concentration. The temperature dependence of the e-p interaction is consistent with an existing theory for disordered metals. The strength of the interaction decreases with increasing manganese concentration, providing a means to improve sensitivity of detectors and the base temperature of solid state coolers. (c) 2006 American Institute of Physics.
引用
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页数:3
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