A robust platform cooled by superconducting electronic refrigerators

H.Q. Nguyen, M. Meschke, J.P. Pekola

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
260 Downloads (Pure)


A biased tunnel junction between a superconductor and a normal metal can cool the latter electrode. Based on a recently developed cooler with high power and superior performance, we have integrated it with a dielectric silicon nitride membrane, and cooled phonons from 305 mK down to 200 mK. Without perforation and covered under a thin alumina layer, the membrane is rigorously transformed into a cooling platform that is robust and versatile for multiple practical purposes. We discussed our results and possibilities to further improve the device.
Original languageEnglish
Article number012601
Pages (from-to)1-4
Number of pages4
JournalApplied Physics Letters
Issue number1
Publication statusPublished - 2015
MoE publication typeA1 Journal article-refereed

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