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Superconducting transition thermometry for 4He lambda point experiments

✍ Scribed by Melora Larson; Guenter Ahlers


Book ID
104356603
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
207 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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We report here the development of a sealed-cell lambda-point device which has been used to realize the lambda-point temperature of 4 He, T k ΒΌ 2:1768 K, to a precision of 0.04 mK with simple automatic control. With this device, one can produce and maintain T kplateaus for unlimited duration with no