Journal of Low Temperature Physics

, Volume 4, Issue 6, pp 605–614 | Cite as

54Mn in Fe for ultralow temperature thermometry

  • James R. Sites
  • H. A. Smith
  • W. A. Steyert
Article
Received:

Abstract

Experimental investigations into the accuracy of nuclear orientation thermometry are reported.54Mn in iron, a primary thermometer useful from 2–40 mK, gives consistent thermometry using both scintillation (3×3 in.-NaI) and solid-state (40-cc-Ge) detectors.60Co-in-iron temperatures are consistent with the54Mn temperatures above 10 mK, but are about 10% higher at 4 mK.125Sb in iron registers a temperature that is perhaps 2 or 3% lower over the 4–15 mK region. Some of the techniques required for the utilization of this type of thermometry are discussed.

Keywords

Iron Experimental Investigation Magnetic Material Nuclear Orientation Ultralow Temperature 
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Copyright information

© Plenum Publishing Corporation 1971

Authors and Affiliations

  • James R. Sites
    • 1
  • H. A. Smith
    • 1
  • W. A. Steyert
    • 1
  1. 1.Los Alamos Scientific LaboratoryUniversity of CaliforniaLos Alamos

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