Phys. Rev. Lett. 103, 120801 (2009) [4 pages]

Single-Electronic Radio-Frequency Refrigerator

Abstract

References

Citing Articles (3)

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S. Kafanov^1,*, A. Kemppinen², Yu. A. Pashkin^3,†, M. Meschke¹, J. S. Tsai³, and J. P. Pekola¹
¹Low Temperature Laboratory, Helsinki University of Technology, P.O. Box 3500, 02015 TKK, Finland
²Centre for Metrology and Accreditation (MIKES), P.O. Box 9, 02151 Espoo, Finland
³NEC Nano Electronics Research Laboratories and RIKEN Advanced Science Institute, 34 Miyukigaoka, Tsukuba, Ibaraki 305-8501, Japan

Received 4 June 2009; published 17 September 2009

We demonstrate experimentally that a hybrid single-electron transistor with superconducting leads and a normal-metal island can be refrigerated by an alternating voltage applied to the gate electrode. The simultaneous measurement of the dc current induced by the rf gate through the device at a small bias voltage serves as an in situ thermometer.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.103.120801

DOI:

10.1103/PhysRevLett.103.120801

PACS:

07.20.Mc, 73.23.Hk

^*sergey.kafanov@ltl.tkk.fi

^†On leave from: Lebedev Physical Institute, Moscow 119991, Russia.

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Phys. Rev. Lett. 103, 120801 (2009) [4 pages]

Single-Electronic Radio-Frequency Refrigerator