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Measurements of the latent heat of thallium connected with the transition, in a constant external magnetic field, from the supraconductive to the non-supraconductive state

✍ Scribed by W.H Keesom; J.A Kok

Publisher: Elsevier Science
Year: 1934
Weight: 456 KB
Volume: 1
Category: Article
ISSN: 0031-8914
DOI: 10.1016/s0031-8914(34)90059-8

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✦ Synopsis

Calorimetric experiments were performed on thallium in connection with the transition, in a constant magnetic field, from the supraconductive to the non-supraconductive state. A definite latent heat was measured. The values found were compared with thermodynamic theory. From the experimental data a proof is deduced that in passing the magnetic threshold value no irreversible entropy change occurs. A suggestion was made as to the behaviour of the lines of magnetic force in a (partly) supraconductive body when temperature is being changed.

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