A Versatile Nuclear Demagnetization Cryostat for Ultralow Temperature Research

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Nummila, Kaj
dc.contributor.advisor Oja, Aarne
dc.contributor.author Yao, Weijun
dc.date.accessioned 2015-03-11T10:00:27Z
dc.date.available 2015-03-11T10:00:27Z
dc.date.issued 1997
dc.identifier.isbn 978-952-60-3698-4 (electronic)
dc.identifier.isbn 951-22-3707-5 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/15361
dc.description.abstract A new cascade nuclear demagnetization cryostat has been designed and constructed. Our aim was to build a versatile, modular cryostat, with a large experimental space providing an excellent platform for various types of ultra-low temperature measurements. A powerful dilution refrigerator, combined with a massive copper nuclear cooling stage, will enable us to reach the low temperatures necessary in studies of nuclear magnetic ordering. First experiments will include nuclear magnetism in Rh and search for superfluidity of 3He in the dilute 3He/4He mixture. Details of the design and results of the performance tests will be presented. The suitability of normal metal tunnel junction chains for primary thermometry at mK temperatures has been studied. Preparations of experiments for studies of nuclear magnetic ordering in rhodium will be described as well. en
dc.format.extent 114
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Helsinki University of Technology en
dc.publisher Teknillinen korkeakoulu fi
dc.subject.other Physics en
dc.title A Versatile Nuclear Demagnetization Cryostat for Ultralow Temperature Research en
dc.type G4 Monografiaväitöskirja fi
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department O.V. Lounasmaa -laboratorio fi
dc.contributor.department O.V. Lounasmaa Laboratory en
dc.subject.keyword nuclear cooling en
dc.subject.keyword nuclear magnetism en
dc.subject.keyword dilution refrigeration en
dc.identifier.urn URN:ISBN:978-952-60-3698-4
dc.type.dcmitype text en
dc.type.ontasot Doctoral dissertation (monograph) en
dc.type.ontasot Väitöskirja (monografia) fi
dc.contributor.supervisor Hautojärvi, Pekka
dc.opn Godfrin, Henri, CNRS, Grenoble
dc.rev Yao, Weijun

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