T. Penney, W.A. Thompson
Journal of Magnetism and Magnetic Materials
This study shows that in fcc lanthanum the measured ratio of superconducting energy gap to transition temperature strongly depends on annealing treatment. © 1967.
T. Penney, W.A. Thompson
Journal of Magnetism and Magnetic Materials
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Physical Review Letters
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Physical Review B
J.E. Demuth, R. Imbihl, et al.
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