DOI: 10.1098/rspa.1951.0169. Penetration of magnetic fields into superconductors III. Measurements on thin films of tin, lead and indium

Penetration of magnetic fields into superconductors III. Measurements on thin films of tin, lead and indium

10.1098/rspa.1951.0169

Crossref journal-article

The Royal Society

Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences (175)

Abstract

The magnetic moments of thin superconducting films of tin, lead and indium, obtained by evaporation of the metal in vacuo, have been measured by a ballistic method. Values of the penetration depth, λ 0 , at absolute zero, derived from them by extrapolation, are estimated as 5.0 ± 0.1 x 10 -6 cm. for tin, 3.9 ± 0.3 x 10 -6 cm. for lead, and 6.4 ± 0.3 cm. for indium. Within the limits of experimental error the results agree with the penetration law of London & London. From the areas of the magnetization curves, estimates of the difference in surface energy (α n – α 5 ) per unit area between free surfaces of the normal and superconducting phases respectively are derived, which are smaller than those previously assumed. No evidence is found for an increase in penetration depth at low temperatures and high fields such as that suggested by the theories of Heisenberg and Koppe.

Bibliography

Penetration of magnetic fields into superconductors III. Measurements on thin films of tin, lead and indium. (1951). Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 208(1094), 391â408.

Authors 0

None

References 18 Referenced 84

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{'key': 'p_4', 'first-page': '540', 'article-title': 'Proc. Roy', 'volume': '172', 'author': 'Bristow J .', 'year': '1939', 'journal-title': 'Soc. A'} / Soc. A / Proc. Roy by Bristow J . (1939)
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{'key': 'p_18', 'first-page': '49', 'article-title': 'Proc. Roy', 'volume': '175', 'author': 'Shoenberg D .', 'year': '1940', 'journal-title': 'Soc. A'} / Soc. A / Proc. Roy by Shoenberg D . (1940)

Dates

Type	When
Created	18 years, 8 months ago (Dec. 18, 2006, 5:49 p.m.)
Deposited	4 years, 6 months ago (Feb. 17, 2021, 6:57 p.m.)
Indexed	1 year ago (Aug. 9, 2024, 8:56 p.m.)
Issued	73 years, 11 months ago (Sept. 7, 1951)
Published	73 years, 11 months ago (Sept. 7, 1951)
Published Online	28 years, 7 months ago (Jan. 1, 1997)
Published Print	73 years, 11 months ago (Sept. 7, 1951)

Funders 0

None

BibTeX

@article{1951, lead and indium_1951, volume={208}, ISSN={2053-9169}, url={http://dx.doi.org/10.1098/rspa.1951.0169}, DOI={10.1098/rspa.1951.0169}, number={1094}, journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences}, publisher={The Royal Society}, year={1951}, month=sep, pages={391–408} }

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