Design changes in the sample mount and temperature sensors of the Janis Supervaritemp Dewar: Liquid‐nitrogen operation

A new sample holder for the Janis Supervaritemp Dewar has been designed which allows very accurate temperature readings at the sample and avoids sample breakage by reducing thermally induced stress. In addition, the successful operation of this helium dewar using liquid nitrogen has been achieved al...

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Veröffentlicht in:	Review of scientific instruments 1993-08, Vol.64 (8), p.2389-2390
Hauptverfasser:	Bouchalkha, A., Wicksted, J. P., Shields, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics Thermal instruments, apparatus and techniques
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A new sample holder for the Janis Supervaritemp Dewar has been designed which allows very accurate temperature readings at the sample and avoids sample breakage by reducing thermally induced stress. In addition, the successful operation of this helium dewar using liquid nitrogen has been achieved allowing temperatures above 80 K, stable to within ±0.04 K, to be obtained.
ISSN:	0034-6748 1089-7623
DOI:	10.1063/1.1143890