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Single-Electronic Radio-Frequency Refrigerator

Research output: Contribution to journalJournal article


  • S. Kafanov
  • A. Kemppinen
  • Yuri Pashkin
  • M. Meschke
  • J. S. Tsai
  • J. P. Pekola
Article number120801
Journal publication date18/09/2009
JournalPhysical review letters
Number of pages4
Original languageEnglish


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.