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- Title
Electron Cooling in a Normal-Metal Hot-Electron Bolometer.
- Authors
Tarasov, M. A.; Kuz'min, L. S.; Fominskii, M. Yu.; Agulo, I. E.; Kalabukhov, A> S.
- Abstract
Normal-metal hot-electron bolometers, each of which contains two superconductor–insulator–normal metal (SIN) junctions for electron cooling and two SIN junctions for temperature measurements, were fabricated and experimentally studied. The electron cooling by SIN junctions is an analog of the Peltier effect and allows one to reduce the effective electron temperature of a bolometer. The electron temperature was determined from the ratio of the differential resistance to normal one for several values of a constant bias. At a phonon temperature of 250 mK, the resistance ratio at zero bias reached 1000, which was close to the theoretical value for an ideal SIN junction. A decrease in the electron temperature from 250 to 90 mK was obtained. © 2003 MAIK “Nauka / Interperiodica”.
- Subjects
ELECTRONS; THERMAL electrons; THERMIONIC emission; BOLOMETERS; THERMOELECTRIC cooling; PARTICLES (Nuclear physics); HOT carriers
- Publication
JETP Letters, 2003, Vol 78, Issue 11, p714
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1648293