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Primary thermometry by the measurement of shot noise in a tunnel junction

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4 Author(s)
Song, Woon ; Center for Nano & Quantum Sci., Korea Res. Inst. of Stand. & Sci., Daejeon, South Korea ; Jung Hwan Park ; Rehman, M. ; Yonuk Chong

We fabricated an Al-AlOx-Al tunnel junction by the double-angle evaporation technique as a source of shot noise. A precision RF-power-measurement setup in the frequency range near 1 GHz was installed in a He-3 refrigerator. We measured temperature from 0.3 K to room temperature using shot noise thermometer and compared the temperature with that of conventional temperature sensors.

Published in:

Noise and Fluctuations (ICNF), 2011 21st International Conference on

Date of Conference:

12-16 June 2011